Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV 20`` LCD TV 20LCD TV SCHEMATIC 20LCD_VIDDECODER

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20LCD_VIDDECODER


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                                   1                                                                                             2                                                                                                 3                                                                            4                                                                                5                                                                 6




                                                                                                                                            +5V                                                                                                                                                                                                                                                                                     +3.3V


                                                                                                                                                                                                                                                                                                                VDD3
                                                                                                                                                      L400                                                                                                                                                                                                                                                            L401
                                                                                                                                                      FERRIT BEAD               C412             C413            C414             C415          C416         C417                   C424          C425          C426          C427            C428    C429          C430    C431       C432          C433             FERRIT BEAD

                                                                                                                                                                                22uF             0.1uF           0.1uF            0.1uF         220pF        220pF                  220pF         220pF         0.1uF         0.1uF           0.1uF   0.1uF         0.1uF   0.1uF      0.1uF         22uF
                                                                                                                                                                                10V                                                                                                                                                                                                                  10V
                                                                                                                                              R401                     R402
                                                                                                                                              22R                      12K




                                                                                                                                                  3
D                                                                                                                                                       Q401                                                                                                                                                                                                                                                                                                                          D
                                                                                                                                           R106        BC848B              GND                                                                                                                                                                                                                  GND
                                                                                                                                      Vo   75R               1
                                                                R418                                                                                                                           C435
                                                  Vin
                         Vin                                                                                                               R403




                                                                                                                                                                                         +
                                                                100R       C438                               CVBS_Out




                                                                                                                                                  2
                                                                                                                                         75R




                                                                                                                                                                                                                                                                     59
                                                                                                                                                                                                                                                                     69
                                                                                                                                                                                                                                                                     76




                                                                                                                                                                                                                                                                               10
                                                                                                                                                                                                                                                                               26
                                                                                                                                                                                                                                                                               29
                                                                                                                                                                                                                                                                               36
                                                                                                                                                                                                                                                                               45
                                                                                                                                                                                                                                                                               52
                                                                           47pF                                                       R406            R404             R405




                                                                                                                                                                                                                                                                               9
                                                                                           C400            0.1uF                      75R             1K               22K               22uF                             C418
                                                                         GND                                                                                                                                                                                                                 U400
                                                                R419                                                                                                                                                      47pF




                                                                                                                                                                                                                                                                      VSUPAI
                                           Vin2




                                                                                                                                                                                                                                                                               VSUPCAP
                                                                                                                                                                                                                                                                      VSTBY
                                                                                                                                                                                                                                                                       VSUPF




                                                                                                                                                                                                                                                                                 VSUPD
                                                                                                                                                                                                                                                                                 VSUPA

                                                                                                                                                                                                                                                                                 VSUPY
                                                                                                                                                                                                                                                                                 VSUPC
                                                                                                                                                                                                                                                                               VSUPLLC
                       Vin2




                                                                                                                                                                                                                                                                                VSUPSY
                                                              100R                                                                                GND            GND                                                                                     8
                         SC2_St                                            C439                                                      GND                                                                                                                61    NC
                         SC1_St                          SC2_St            47pF            C401            0.1uF                                                                                                   GND                                        NC
                         SCL5V                           SC1_St          GND
                                                         SCL5V
                         SDA5V                           SDA5V                                      C402
                         /RESET                         /RESET                                             0.1uF                                                                                                                                                                             C7       41
                                                                                                                                                                                                                                                                                             C6       42
                                                                                                                                                                                                                                                        70    VOUT                           C5       43
                                                                                            C440                                                                                                                                                                                                      44
                                                                                            47pF C403                                                                                                                                                   72                                   C4       47
                                                                                          GND         0.1uF                                                                                                                                             71    VIN1                           C3       48
                                                                                                                                                                                                                                                              CIN                            C2                                       R400    47R
                                                                                                                                                                                                                                                                                                      49
                         /STDBY                                                             C437                                                                                                                                                        73                                   C1       50                                RN401                                                    VCLK
                                                         /STDBY                             47pF                                                                                                                                                              VIN2                           C0
                         SC1_FBL                        SC1_FBL R420 100R                        C404                                                                                                                                                   74    VIN3                                                                4                   5      YUV7

                       Y_IN        Y_IN                                                   GND         0.1uF                                                                                                                                                                                  Y7       31   Y7                     3                   6      YUV6
                                                                                                                                                                                                                                                        75    VIN4                           Y6       32   Y6                     2                   7      YUV5
                                   C_IN                           R421 100R                                                                                                                                                                                                                           33   Y5                     1                   8      YUV4
                       C_IN                                                                 C434                                                                                                                                                        79                                   Y5       34                                RN400
                                                                                                                                                                                                                                                                                                           Y4
                                   Vin1                           R422 100R                 47pF                                                                                                                                                         1    FB1IN                          Y4       37   Y3                     4     47R           5      YUV3
                       Vin1                                                               GND                                                                                                                                                            2    B1/CB1IN                       Y3       38   Y2                     3                   6      YUV2
                                                                                                                                                                                                                                                         3    G1/Y1IN                        Y2       39   Y1                     2                   7      YUV1
                                                                                                                                                                                                                                                         4    R1/CR1IN                       Y1       40   Y0                     1                   8      YUV0
                                                                                                                                                                                                                                                              B2/CB2IN                       Y0
                                                                                                                                                                                                                                                         5    G2/Y2IN                                                                                                               YUV[0..7]
                                                                                                                                                                                                                                                                                                                                                                                                 YUV[0..7]
       +12V                                                                                      C441      C442                                                                                                                                          6                                                                              47R
                L410                                                                             2.2uF     0.1uF                                                                                                                                              R2/CR2IN
                                                                                                                                                                                                                                                                                          LLC2        27
                                                                                                                                                                                                                                                                                                      28
                                                                              16




            FERRIT BEAD                                           R436                                                                                                                                                                                                                    LLC1
                                                                                                                                                                                                                                                        78    VREF                       INTLC        53
                                                                  4.7K                                                                                                                                                                                                                                57
                                               R430                                                                                                          C408                                                                                                                           VS                          GND
                                C443
                                                                               VDD




                         SC_B                  47K 3                                              GND      GNDC409                                           10uF                            C419         C420                                          17                                            54
              SC_B                                                 Z1                               4                                                            10V                         0.047uF                    C421             GND                  VGAV                          AVO       56        R415      C455
C                               0.1uF       C444                                             Z                                                                                                                                                                                           MSY/HS                 220R                                                                                                                                                                  C
                                                    5                                                                                                                                                     10uF          0.047uF                         66                                            55                  47pF
                      R431                                         Z0                                                                                                                                      10V                                                VRT                        FSY/HC                                                                                                             O_HS
                                                                                                                 0.1uF                                                                                                                                  18    YCOEQ
                                            0.1uF                                                                                                                                                                                                                                                     58        R414
                   47K             C445                                                                                                              R408                                                                                                                                FPDAT                                                                                                              O_VS
                      SC_G
              SC_G R432                                     1      Y1                                            C410                                                    GND                                                                            15    RESQ                                              220R
                                                                            U401                     15                                                                                                                                                                                                                   C454
                                0.1uF       C446                                             Y                                                       220R                                                                                                                                                                 220pF
                      47K                                   2             HEF4053BT                                                                                                                                       SCL                           13
                      R433                                         Y0                                            0.1uF                                                                                                    SDA                           14    SCL                                     60                GND
                                            0.1uF                                                                                                                                                                                                             SDA                         CLK5        24
                      47K                 C447                                                                                                                                                                                                                                           CLK20
                         SC_R                             13                                                     C411
              SC_R R434                                            X1                                14                                                                                                                                                                                               23
                                          0.1uFC448 12                                       X                                                                         C436                                                                                                              FFOE
                                                                                                                                                                                                                                                                                                      22
                      47K                                          X0                                                                                                                 C422             3.3pF                                                                             FFRE
                                                                                                                 0.1uF                                                 0.1uF                                                                            63                                            21
                      R435                    0.1uF                                                                                                                                                                                                           XTAL2                   FFRSTW
                                                                                             A       11                                                                                                                                                 62    XTAL1                     FFWE          20
                                                            6                                                             R412                                                                                                                                                                        19
                      47K                                          INH                                                    10K                                                                                                                                                             FFIE
                                                                                                     10                                                                                                             X400                                67




                                                                                                                                                                                                                                                                      GNDCAP

                                                                                                                                                                                                                                                                      GNDLLC
                                                                                             B                                                                                                                                                                I2CSEL




                                                                                                                                                                                                                                                                      AISGND
                                                                                                                                                                                                                                                                      GNDAI
                                                            7                                                                                                GND




                                                                                                                                                                                                                                                                      GNDPA



                                                                                                                                                                                                                                                                      GNDSY
                                                                                                                                                                                                                    20.25 MHz




                                                                                                                                                                                                                                                                      ISGND
                                                                                                                                                                                                                                                                      GNDD



                                                                                                                                                                                                                                                                      GNDY
                                                                                                                                                                                                                                                                      GNDC

                                                                                                                                                                                                                                                                      GNDF
                                                                   VEE




                                                                                                                                                                                                                                                                      ASGF
                                                                                                                                                                                                                                                                      ASGF
    R437         C450                                                                                9                                                                                                                                                  16
                                                                                             C                                                                                        C423             3.3pF                                                  TEST
                                                                               VSS




    2.2K         0.1UF
                                                                                                             3




                                                                                                                                                                                                                                               GND                                         VPC3230D
       GND                                                                                          1            Q402
                                                                              8




                                                                                                                                                                                                                                                                      7
                                                                                                                                                                                                                                                                     64
                                                                                                                                                                                                                                                                     11
                                                                                                                                                                                                                                                                     12
                                                                                                                                                                                                                                                                     25
                                                                                                                                                                                                                                                                     30
                                                                                                                                                                                                                                                                     35
                                                                                                                                                                                                                                                                     46
                                                                                                                                                                                                                                                                     51
                                                                                                                                                                                                                                                                     65
                                                                                                                                                                                                                                                                     68
                                                                                                                                                                                                                                                                     77
                                                                                                                                                                                                                                                                     80
                                                                                                                 BC848B                                                        GND

                                                                GND                R410
                                                                                                             2




                                                                                   47K             C449      GND
                                                                                                   220pF                                                                                                                                                             GND


           OSD_FBL
                                                                                                                         C405
            OSD_B
                                                                                                                         0.1uF
                                                                                                                         C406
            OSD_G
                                                                                                                         0.1uF
B                                                                                                                        C407                                                                                                                                                                                                                                                                                                                                                         B
            OSD_R
                                                                                                                         0.1uF
            /RESET

              SCL

                SDA




                                                                                                                                                                                                                                                                                                                                                                                                                                     Proje=         20'' LCD TV
                                                                                                                                                                                                                                                                                                                                                                                                                                                    (CHIMEI)
                                                                                                                                                                                                                                                                                                                                                                                                                                     Kod=          ZH1.190-02
                                                                                                                                                                                                                                                                                                                                                                                                                                     schematic= VIDEO DECODER
A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     A




                                                                                                                                                                                                                                                                                                                                                                                                                                        Beko Elektronik A.S.
                                                                                                                                                                                                                                                                                                                                                                                                                   Size         Title                                           Rev
                                                                                                                                                                                                                                                                                                                                                                                                                     C                      2. Video Decoder                    A
                                                                                                                                                                                                                                                                                                                                                                                                                   Document Number           Control
                                                                                                                                                                                                                                                                                                                                                                                                                   Date     24-Sep-2003                Sheet   4       of   9
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