Service Manuals, User Guides, Schematic Diagrams or docs for : AOC LCD L42HA91 AOC+L42HA91

<< 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
AOC+L42HA91


>> Download AOC+L42HA91 documenatation <<

Text preview - extract from the document
8. Block Diagram




                   55
9. Schematic Diagram
9.1 Main Board                    715G3431-1
               EU MT5362 - 4 LAYERS

                                                                                                                                                                                                                    STB_PWR5V            FB100           220R/2000mA                                        +5V_STB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 +24V
                                                                                                                                                                                                                                         1                  2                                                                                                                                                                                     +5V_STB                             +5V_SW                                                              13   +24V              +12V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2,9,13   +12V              +5V_STB
                 DC POWER INPUT
                                                                                                                                                                                                                                         FB101           220R/2000mA
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   2,5,10,13   +5V_STB           +5V_SW
                                                                                                      BRIGHT_ADJ:                                                                                                                        1                  2                                +     C107                       C106                                                                                                                                                                                                    2,5,8,9,10,11,12,13,14   +5V_SW            +5V1_TUN
                                                                                                      Normal:Max:+3V3, Min:0V                                                                                                                                                                    470uF 10V                    100N 16V                                                                                                                             Q104 SI5441DC                                                                           2   +5V1_TUN          DV18_DDR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                   8          1                                                                          2,6   DV18_DDR          DV11
                                                                                                      Stand_By:0V                                                                                                                                                                                                                                                                                                                                                  7 D    D 2                                                                              4   DV11              OPWRSB
                                                                                                                                                                                                                                                                                                                                                                                                                                           R119                    6 D    D 3
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Modify by Victor - 1210                                      5   OPWRSB
                                                                                                      INVERTER_ON_OFF:                                           STANDBY:                                                                                                                                                                                                                                                          33K 1/10W 5%                    5 D    D 4                                                                                                     STAND_BY
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      S   G                                                                               13 STAND_BY             BRIGHT_ADJ
                                                                                                                                                                                                                                                                                                                                                                                     OPWRSB(+5V_SW ON/OFF):                                                                                                                                               14 BRIGHT_ADJ
                                                                                                      Normal: High                                               Normal: High                                                                                                                                                                                                                                                                                   C105                      +    C101                                                                              INVERTER_ON_OFF
                                                                                                                                                                                                                                                                                                                                                                                     Norm al: High                                                              100N 16V                       330UF 16V                                            14 INVERTER_ON_OFF
                                                                                                      Stand_By: Low                                              Stand_by: Low
                                  TP100
                                  TP101
                                  TP102
                                  TP103
                                  TP104
                                  TP105
                                  TP106
                                                                                                                                                                                                                                                                                                                                                                                     Stand_By: Low                                                                                                                                                                               DV33
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       2,4,5,7,8,11,12,13,14 DV33
                                                                                                                                                                                                                                                                                                                                                                                                                                                          C130 1uF 16V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 DV33SB
                                                                                                                                                                                                         DV33                                                                                                                                                                                                                                                                                                                            2,4,5,7,10,12,13,14 DV33SB
                                  1
                                  1
                                  1
                                  1
                                  1
                                  1
                                  1


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   OPCTRL3
                     CN100                                                                                                                                                                                                                                                                                                                                                                                                                             R130                                                                                                4,5 OPCTRL3




                                                                                                                                                                                                                                                                                                                                                                                                                                                   3
                                                                                                                                                                                                                                                                                                                                                                                                                 R107                                       22K 1/10W                                                                                                            MEM_VREF
                             13                                        AC_Detect                                                                                                                    R144                                                                                                                                                                                  OPWRSB                                           2           Q101                                                                                               6 MEM_VREF
                             12                                        INVERTER_ON_OFF                                                                                                      1K 1/16W 5%                                                                                                                                                                                                                                                BC847C
                             11                                        BRIGHT_ADJ                                                                                                               SMD/0402                                                                                                                                                                                                                                                                                                                                                                         GND
                                                                                                                                                                                                                                                                                                                                                                                                                10K 1/10W 5%                                                                                                2,3,4,5,6,7,8,9,10,11,12,13,14 GND




                                                                                                                                                                                                                                                                                                                                                                                                                                                   1
                             10                                                                                                                                                                                                                                                                                                                                                                                                  C121                                                 C114
                                                                                                                +12V
                             9                                                                                                                                                                                                                                                                                                                                                               R154                              100N 16V                                               NC/4.7UF 10V
                             8                                                                                                                                                                STANDBY




                                                                                                                                                                                                                                                                                                                                                                                               NC/1K 1/10W 5%
                             7                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    GPIO_16
                             6                                                                                                                                                                                                                   R126                                                                                                                                                                                                                                                                                                      5,7 GPIO_16
                             5                                                                                                                                                                            Q106                                 1K 1/16W 5% STAND_BY
                                                                                                                +24V
                             4                                                                                                                            SMD/0402                                      BC847C                               SMD/0402
                             3                                                                                                                       R113 100R 1/16W 5%           STANDBY
                             2                                                                            STB_PWR5V                                                                                                                C124

                                                                                                                                                                                                                                                                                                                                                                                                            +5V_STB(+5V1) TO +5V_SW BY OPWRSB
                             1                                                                                                                                                                                                   100N 16V                                        STAND_BY:
                                                                                                                                                                                                                                 SMD/0402
                                                                                                                                                                                                                                                                                 Normal: Low
                     CONN                                                                                                                                                                                                                                                        Stand_by: High
                             For ACD function -1204




                                                                                                                                                                      +5V_STB                                                                                                                       DV33
                                                                                                +5V_STB                                                                           CN101
                                     OPCTRL3




                                                                                                                                                                                                                                                                                                         R791
                                                                                                                                                                            1                                                                                                                            10KOHM +-5% 1/10W
                                                                                                    R147                                 100 OHM +-5% 1/10W                 2
                                                                                                                                                                            3                                                                               R789                                                                         R782 100R 1/16W 5%        GPIO_16
                                                                                                    68KOHM +-5% 1/10W                                                                                                                                         NC/0R05 1/10W 5%
                                                                                                                                                              R146                                                                                                                                       Q752
                                                                                                        R148        1K 1/10W 5%                        Q107                                                                                                                                              2SK1828                              C806
                                                                                                                                                                                  CONN                                                                                                                                                       NC/100N 16V
                                                                                                                                                        MMBT3906 PNP                                                                     AC_Detect          R790
                                  R155                                                              R145                                                                                                                                                    10KOHM +-5% 1/10W
                                                                                                    10KOHM +-5% 1/10W                                                                                                                                                                                                     AC Detect Function - 1211                                                                            DV18_DDR
                      10K 1/10W 5%                                                                                                                                                                                                                                                                                                                                                                                                  R131 1K 1/10W 1%
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  MEM_VREF
              DV33
                                                                                                3




                         R149                                                                                                                                                                                                                                                                                                                                                                                                               R132
                                                                       1                            Q108                                                                                                                                                                                                                                                                                                                             1K 1/10W 1%             C119                   C120
                                                                                                    MMBT3904                                                                                                                                                                                                                                                                                                                                              1UF 6V3                 100N 16V
                      NC/10K 1/10W 5%                                                                                                                                                                                                                                                                                                                                                                                                                     SMD/0402
                                                                                                2




                                                R150
                                               NC/10K 1/10W 5%
                                                                                                                                                                                                                                                                                                                                                                                +5V_SW



                                                                                                            Toshiba Logo Use                                                                                                                                                                                                                   +   C110
                                                                                                                                                                                                                                                                                                                                                   100uF 10V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              DV18_DDR stabilizer

                                                                                                                                                                                                                                                                                                                                                   Add C100 - 1210



                                                                                                                                                                                                                                                                                                                                                                                                                                          +5V_SW                                                    +5V1_TUN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                R120 0R05 1/8W



                                                                                                                                                                                  C108                 C132
                                   0.6 x (1+2.44K/1.2K) = 1.82V                                                                                                                 10U 16V              10U 16V                                                                                      0.6 x (1+1.1K/1.2K) = 1.15V                                                                                                             +5V_STB                                                   +5V1_TUN

                                                                           15uH                         L101                                                  U104                                                            U103                                                          L102    15uH
              DV18_DDR                                                                                                                                           L5945                                               L5947                                                                                                                                              DV11
                                                                                                                                                          1                 8                                   8                    1
                                                                                                                                                              Vout   Vcc                                            Vcc  Vout
                                                                                                            2




                                                                                                                                                                                                                                                                                      2




                                                                                                                                                          2                 7                                   7                    2
                                                                                                                                                              SY NC GND                                             GND SY NC
                                                                           240 OHM +-1% 1/10W




                                                                                                                    3.9KOHM +-5% 1/10W




                                                                                                                                                                                                                                                                3.9KOHM +-5% 1/10W




                                                                                                    D101                                                  3                 6                                   6                    3                                                      D100                                                                                                                                                             6                    1
                                                                                                                                                              INH FSW                                               FSW INH                                                                                                                                                                                                                                  5 D    D
                                                                                                                                                                     TH1




                                                                                                                                                                                                                        TH1




                C112 +                                                                              SS2P4                                                 4                 5                                   5                    4                                                      SS3P4                               0R05 1/16W                     +    C111                                                                                                          2
            330UF 16V                           R124                                                                                                          COMP FB                                               FB COMP                                                                                                                                         330UF 16V                                                                                4 D    D             3
                                                                                                                                                                                                                                                                                                                               SMD/0402
                                                                                                                                                                                                                                                                                                       R125                                                                                                                                         NC/SI3441BDVS   G
                                                                                                            1




                                                                                                                                                                 9




                                                                                                                                                                                                                       9




                                                                                                                                                                                                                                                                                      1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Q103
                                                  2.2KOHM +-1% 1/10W




                                                                                                                                                                                                                                                                                                         1.1KOHM +-1% 1/10W




                                                                                                                                                                                                                                                                                                                                                                                                                                                                     C131
                                                                                                             R104                         C129                                                                                               C128                                                                                                                                                                                                   NC/1uF 16V                             R102
                                                                                                                                                                                                                                                                                     R106                                                                                                                                                                                                  NC/22K 1/10W
                                                                                                                                          330P 50V




                                                                                                                                                                                                                                              330P 50V




          USE 330uF 16V GF                                                                                                                                                                                                                                                                                                                                            USE 330uF 16V GF                                                              R103 NC/33K 1/10W 5%
                                                                                                               C102                                                                                                                                                       C104                    R123
                                                                           R115                             33N 16V                                                                                                                                                        33N 16V
                                                                           1%                                                                                                                                                                                                                     1%




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      3
                                                                                                                                                                                                                                                                                                                                                                                                                                                                R101                                             C127
                                                                                                                                                                                                                                                                                                                                                                                                                                      STANDBY                                 2           Q100
                                                                           R117                                                                                                                                                                                                                                                                                                                                                                                                           NC/BC847C         NC/10U 10V Y5V
                                                                           1.2KOHM +-1% 1/10W                                                                                                                                                                                                                                  R122                                                                                                                            NC/22K 1/10W




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1
                                                                           1%                                                                                                                                                                                                                                                  1.2KOHM +-1% 1/10W
                                                                                                                                                                                                                                                                                                                               1%                                                                                                             R100                  C126
                                                                                                                                                                                                                                                                                                                                                                                                                                      NC/22K 1/10W                 NC/100N 16V



                                                                                                                                                              From +5V_SW to +1V8/+1V1
                                                                                                                                                                                                                                                                                                                                                                                                                                      STANDBY:
                                                                                                                                                                                                                                                                                                                                                                                                                                      Normal: High
                                                                                                                                                                                                                                                                                                                                                                                                                                      Stand_by: Low


                                                                                                                                                                                                                                                                                                                                                                                                                                            +5V_STB TO +5V1_TUN
                                                                                                                                                                                                                                                                                                                                                                                                                                            FOR IF 5V HAS DIP

                                                                                                                                                                                                                                                                                                                                                                                                                                                       The item of this page start from "100"
                                                                                                                                                                                                                                                                                                                                                                                                                                                   TPV     ( Top    Victory    Electronics     Co . ,   Ltd. )     OEM MODEL                                              Size     Custom

                                                                                                                                                                                                                                                                                                                                                                                                                                                                 G3431-A-X-X-081016                                TPV MODEL                                              Rev      1
                                                                                                                                                                                                                                                                                                                                                                                                                                               Key Component    01. POWER-1                                        PCB NAME      715G3431
                                                                                                                                                                                                                                                                                                                                                                                                                                                   Date         Monday , December 29, 2008                              Sheet     1      of    14




                                                                                                                                                                                                                                                                                                                                               56
                                                                                                                                                                                                                      Panel VCC=5V                                                                                                                                                                                                                                                                                                       1,13 +24V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              +24V
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              +12V
                                                                                                                                                                                                                                     +12V
                                                                                                                                                                                                                                                                                                                                                                           L150 NEARLY U155                                                               PANEL5V                                                                      1,9,13 +12V            +5V_STB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1,5,10,13 +5V_STB
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              DV18_DDR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1,6 DV18_DDR
                                                                                                                                                                                                                              R176                                                                                                 C165      L150                                                 NC/15uH                                                                                                                                                     +5V_SW
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1,5,8,9,10,11,12,13,14 +5V_SW




                                                                                                                                                                                                                                                                                                                                                                                                                             NC/1K2 1/10W 1%
                                                                                                                                                                                                                                                                                                                                                                                                                             R160
                                                                                                                                                                                                                      NC/0R05 1/8W                                           U155                                                  NC/220N 25V                                                                                                    C171      C154
                                                                                                                                                                                                                                                                                                                                                                                                                                                            +
                                                                                                                                                                                                                                                                             NC/SC4525BSETRT                                                                                                                                                                NC/220uF 16V                                                                                      +5V_TUNER
                                                                                                                                                                                                                                                                                                                                                                            D150 NC/BAS32L                                                      NC/10U 10V Y 5V                                                                             3 +5V_TUNER       +5V1_TUN
                                                                                                                                                                                                                                                                         1                                      8                                                           2       1                                                                                                                                                       1 +5V1_TUN
                                                                                                                                                                                                                                                                         2    SW              BST               7                                                              K A                                                                                                                                                                            DV33
                                                                                                                                                                                                                                                                              IN               FB                                                                                                                                                                                                                        1,4,5,7,8,11,12,13,14   DV33         AV33




                                                                                                                                                                                                                                             NC/68KOHM +-5% 1/10W
                                                                                                                                                                                                                                                                         3                                      6
                                                                                                                                                                                                                                                                              ROSC          COMP                                                                                                                                                                                                                            3,5,10,11,12,13,14   AV33




                                                                                                                                                                                                                                                                                      TH1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              DV33SB




                                                                                                                                                                                                                                                                                                                                          C174 NC/2N2 50V
                                                                                                                                                                                                                            C172                                         4                                      5
                                                                                                                                                                                                                                                                              GND           SS/EN                                                          



◦ Jabse Service Manual Search 2019 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo