Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM D820 SGH-D820_schematics

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
SGH-D820_schematics


>> Download SGH-D820_schematics documenatation <<

Text preview - extract from the document
                                                                                                                                                                                                                                                                                                                                                                                             GSM850


                                                                                                                                                                                                                                                                                                                                                                              VR101
                                                                                                                                                                                                                                                                                                                                                                           VC040205X150R

                                                                                                                                                                                                                                                                                                                                                                                                                                                2.8V
                                                                                                                                                                                                                                                                                                                                                                                                                                             +VCC_SYN
                                                                                                                                                                                                                      RFS100
                                                                                                                                                                                                                     KMS-512

                                                                                                    ANT101                                         ANT102
                                                                                                                                                                                                G         A         C         G                                                                                                                                                              GSM900RXTX
                                                                                                                 -                                           -
                                                                                                                                                                                                1      2            3        4
                                                                                                                                                                                                                                                                                                                                                                                      VR102                                                                 R127
                                                                                                                                                                                                                                                                                                                                                                                   VC040205X150R                                                              0




                                                                                                      3




                                                                                                                                               3 3
                                                                                                   1 1
                                                                                                   2 2


                                                                                                     4




                                                                                                                                               1 1
                                                                                                                                               2 2


                                                                                                                                                 4
                                                                                                   3
                                                                                                   4




                                                                                                                                               4
                                                                                                                                                                                                                                 L141
                                                                                                                                                                                                                                 33nH                                                                                                                                                                                                                            C147
                                                                                                                                                                         C102       9PF                                                                                                                                                                                                                                                                          100NF                           2.8V
                                                                                                                                                                                    50V                                                                                                                                                                                                                                                                           16V                         +VCC_SYN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          L118
                                                                                                           R138                                                                                                              C103
                                                                                                                                                                       L121                     L144                                                                                                                                                                                                                                                                                                      NC
                                                                                                             0                                                                                                               8PF




                                                                                                                                                                                                                                                                                                                            PB2 16

                                                                                                                                                                                                                                                                                                                                     VCTL2 15

                                                                                                                                                                                                                                                                                                                                                 VCTL1 14

                                                                                                                                                                                                                                                                                                                                                               13
                                                                                                                                                                       82nH                     18nH
                                                                                                                                                                                                                             50V




                                                                                                                                                                                                                                                                                                                                                             PA2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             C104
                                                                                                                                                                                                F101




                                                                                                                                                                                                                                                                                                                                                                           12
                                                                                                                                                          J_ANT                                                                                                                                                                                                                                                                                                                                                                              NC




                                                                                                                                                                                                                                                                                                              1
                                                                                                                                                                                                                8                                                                                                 GND                                               GND
                                                                                                                                                                                                                                                                                                                                                                                                                                                             C105




                                                                                                                                                                                                                                                                                                                                                                           11
                                                                                                                                                                                                        ANT




                                                                                                                                                                                                                                                                                                              2
                                                                                                                             R135           10nH                                           12 VC1             GSM900RX 4                                                                                          GND                                                GND                                                                                     33PF
                                                              FESW1
                                                                                                                             R136           10nH                                           9 VC2              GSM900RX 5                                                                                                        U100                                                                                                                         50V
                                                              FESW2




                                                                                                                                                                                                                                                                                                                                                                           10
                                                                                                                             R137           0                                              13 VC3               DCSRX 1




                                                                                                                                                                                                                                                                                                              3
                                                              FESW3                                                                                                                                                                                                                                               PC2    NJG1524APC1                                 PC1
                                                                                                                                                                                           10 DCS|PCSTX         DCSRX 14




                                                                                                                                                                                                                                                                                                                                                                           9
                                                                                                                                                                                                                PCSRX1 2




                                                                                                                                                                                                                                                                                                              4
                                                                                                                                                                                           11 850GSM|GSM900TX                                                                                                     GND                                               GND
                                                                                C158               C159              C160                                                                   7 850GSMRX          PCSRX2 3




                                                                                                                                                                                                                                                                                                                                                VCTL1
                                                                                NC                 NC                33PF                                                                   6 850GSMRX                                                                                                                                                                                                                                                       C106        L101
                                                                                                                                                                                                           G
                                                                                                                                                                                                                                                                                                                                                                                                                   GSM900 RX




                                                                                                                                                                                                                                                                                                                          PB1




                                                                                                                                                                                                                                                                                                                                                              PA1
                                                                                                                     25V                                                                                                                                                                                                                                                                                                                                     33PF




                                                                                                                                                                                                                                                                                                                                     NC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         10nH
                                                                                                                                                                                                                        15                                                                                                                                                                                                                                   50V
                                                                                                                                                                                             LMG004W-5129A




                                                                                                                                                                                                                                                                                                                            5

                                                                                                                                                                                                                                                                                                                                       6

                                                                                                                                                                                                                                                                                                                                                   7

                                                                                                                                                                                                                                                                                                                                                               8
                                                                                                                                                                                                                                                                                                                                 C107
                                                                                                                                                                                                                                                                                                                                 39PF
                                                                                                                                                                                                                                                                                                                                 50V
                                                                                                                                                                                                                                                                                                                                                                                                                                                          L103                                                                                                                                                                                                                                                                                       PON_3587_SYNTH
                                                    FESW1         FESW2             FESW3                                                                                                                                                                                                                                                                                                                                           2.8V                    0
                                                                                                                                                                                                                                                                                                                                                                                                                                 +VCC_SYN                                                                                                                                                                                                                          2.8V            C109
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                +VCC_SYN           7PF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   50V
                            Tx(GSM900)                H                 L              L                                                                                                                                                                                                                                                                                                                                                                                 C110
                                                                                                                                                                                                                                                                                                                                                                                                                                                                         NC
                       Tx(DCS1800/1900)               L                 H            L(H)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   L140
                                                                                                                                                                                                                                                                                                                                                                                                                                                     C112                                                                                                                                                                                                                                                                      TCX100
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            NC
                            RX(GSM900)                    L             L              L                                                                                                                                                                                                                                                                                                                     PCS Rx                                  33PF
                                                                                                                                                                                                                                                                                                                                                                                                                                                     50V                                                                                                                                                                                                                            R129                             TCO-5871U 26MHz
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    100,1%
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          3                2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               OUT GND
                            Rx(DCS1800)               L                 L              L                                                                                                                                                                                                                                                                                                                                                                                 L137
                                                                                                                                                                                                                                                                                                                                                                                                                                                     C118




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         VCON
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          5.6nH                                                                                                                                                                            C146                                                           4
                                                                                                                                                                                                                                                                                                                                                                                                                                                     33PF                                                                                                                                                                            C116                                                                                      VCC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            NC




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1
                            Rx(PCS1900)               L                 L              H                                                                                                                                                                                                                                                                                                                                                             50V                                                                                                                                                                            100NF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     16V                                                                                                        C114
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          C120                                                                                                                                                  100PF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 50V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         R103
                                                                                                                                                                                                                                                                                                                                                                                                                                                     C121                                                                                                                                 NC
                                                                                                                                                                                                                                                                                                                                                                                                                                                     18PF                                                                                                                                                                                                                                          R105                                   10K
                                                                                                                                                                                                                                                                                                                                                                                                             DCS Rx                                  50V                                                                                                                                                                                                                                            10



                                                                                                                                                                                                                                                                                                                                                                                                                                                                         L106
                                                                                                                                                                                                                                                                                                                                                                                                                                                     C122                6.2nH
                                                                                                                                                                                                                                                                                                                                                                                                                                                     18PF
                                                                                                                                                                                                                                                                                                                                                                                                                                                      50V                                                                                                                                                                                                                                                                                                    AFC




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              30

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      29

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                28

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           27

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     26

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              25

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        24

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                23

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          22

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     21
                                 R130                                               L139
                                  0                                                 1.5nH                                                                                                                                                                                                                                                                                                                                                                                                                                  VCCRF




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               LBIB

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       LBIA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 VCCRFLO

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            EXTRES

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      VCCCP

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               RFTUNE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         CTRL

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 VCCSYN

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           GNDREF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      REFIN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            C123




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          31
    DCS_TX
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           SWBIA                                                                                                                                                             NC
             C161                                                                                                     L135          3.3nH




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          32
                                         R132                               C162            C145
             1.8PF                                                                                                                                                                                                                                                                                                                                                                                                               C157                                                                                                                                                                                                  CLKFDBX




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           20
                                          NC                                1.8PF           NC                                                                                                                                                                                                                                                                                                                                                                                                                             SWBIB                                                                                                                                                                          C124
                                                                                                                                                                                                                                                                                                                                                                                                                                 47PF




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          33
              50V                                                           50V
                                                                                                                                                                                                                                                                                                                                                                                                                                  50V                                                                                                                                                                                                     REFVCC                                                          100PF




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           19
                                                                                                                                                                                                                                                                                                                                                                                                                                         



◦ Jabse Service Manual Search 2026 ◦ Jabse PravopisonTap.bg ◦ Other service manual resources online : FixyaeServiceinfo