Service Manuals, User Guides, Schematic Diagrams or docs for : LG Monitor LG_OEM_LGIT_PLDC-P109B_[SCH]

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                                                                         Power Supply Unit with Integrated Led Driver

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     VREF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          R412
                                                                                                                                                                                                                                                                 L401                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   100KF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        L404                    L403                                                                                                                                                                                                                                                                           R481C                                                                                                                                                                                                                                                               R410
                                                                                                                                                                                                                    VLED                                                                                                                                                                                                                      D401                                                                              LED_A                                                                          R481A 5.1K                                                                               R481B 5.1K                                          R3
                         R468                                                                                                                                                                                                                                1             4                                                                                                                                                                                                                                                                                 R1                                                                                                  R2                                                                                                                              5.1k
                                                                                                  KTN2907A                                                              R470B
                         560                                                                                                                                                                                                                                     55uH                                                                                                                                                                                                            BFS3550R                Jumper                                                                                                                                                                                                                                               C481C                                                 R485C                                                                                                                                                                                                                                              1K    BL-DIM(VSYNC)
          VREF                                                                                                                                                                                                                                                                                                                                                                                                                             B3100-13-F                                                                                                        C481A                                                                   R485A                            C481B                                                  R485B                                                                                                    CMP3
                                                                                                                                                                                                                                               R411                                                                                                                                                                                                                           R421                                                                                                                                                                                                                                                                                        BCX53-16                                   47 F
                                                                                                                                                                           OPEN                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               OPEN                                                                                             GND1




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      44

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                43

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           42

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      41

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 40

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           39

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      38

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   37

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  36

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            35

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      34
                                            U405                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             OPEN                                                                        47 F                                         BCX53-16                                 47 F




                                                                                                                                                                                    R470C
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                C409




                                                                                                                                                                                                OPEN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              27K F                                                                                                                                                                                   OPEN
                           AS431ANTR/SMD




                                                                                                                                          R470A
                                                                                                                                                   OPEN
                                                                                                                                                                                                                                               10K F                                                                                                                                                                                                                                                   C413                                                                                                                                                                                                                                     CMP2                                           Q403C




                                                                                                                                                                   510 F
                                                                                    R462




                                                                                                                                                            R470
                                                                                                                                                                                                                                                                                                                   D410                                                                                                      C415                                                                                                                                                                                                                 CMP1




                                                                                           3.9K
                                                                                                          Q407                                                                                                                                                             R418                                                                                                                                                                                                                                                                                                                                     Q403A                                                                                   Q403B                                                                                                                                                                                                                                                                                                                               103              R409




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    PWM6

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              NC

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        NC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         BCX53-16                                                                                                                                                                                                 R482C




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               PWM3




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      PWM5
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        IS7

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  CMP8

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                IS8

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         PWM1

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    PWM2




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        PWM4
                                                                                                                                                                                                                                                                                                                                                                                                                            100pF/1kV                                       R421A                      NXA 68uF/100V                                                                                                              R482A                                                                                 R482B                                            GND1                                                         IS3                                                                                                                                                                                                                        100KF
                                                                                                                                                                                                                                               R411A                               15                                                                                           D                                           GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        GND1                                                                                          GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             1k
                                                                                                                                                                                                                                                                                                                  D4148W                                                                                                                                                    22K F                                                                                                                                                  1K                                                                                        1K                                                                                                                                                              1 NC                                                                                                                                          33
                                                              C471                                                                                                                                                                             10K FDRV                                                                                                             G                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          PWM7




                                                                                                                                                            R469
                                                                                                                                                                   11KF
                                                                                   +12V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            IS1                                                                                         IS2
                                                               104                                                                                                                                                                                                                          R417 100                                                                                Q402                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     2 CMP7                                                                                                                                        32
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            R421B                     GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                R486C R483C                      R484C                                                                                                                                                                                                         PWM8




                                                                                                   R463
                                                                                                          3.9K
                                                                                                                                                                                                                                               R411B
                                                                                                                                                                                                                                                                                                                                                                                S
                                                                                                                                                                                                                                                                                                                                                                                  AP15T15GH/D-PACK                                                                                                                                                                                              R486A R483A                       R484A                                                      R486B R483B                R484B                                                                                                                                                                                                                                                                                                                     R408
                                                 GND1         GND1                                                                                                         R472                                                                                                                                                                                                                                                                                             11K F                                                                                                                 2.2 F             47F           1.2KF                                                                                                                                          2.2 F         47F               1.2KF                                                                       3 IS6                                                                                                                                         31
                                                                                                                                                                                                         ADIM                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2.2 F          47F         1.2KF                                                                                                                            IS6                                                                                                                                                                       RT




                                                                                                                          1.2KF
                                                                                                                                                                                                                                               10K F




                                                                                                                  R464


                                                                                                                                   R473
                                                                                                                                                                                                                                                                                                                           R420                           C442                                                                                                                                 OVP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               GND1




                                                                                                                                           1KF
                                                                     R467
                                                                            100K




                                                                                                                                                                           47K                                                                                                                                                                                                                                                                                              C422                                                                                                                                                                                                                                                                                                                                                                                                             4 CMP6                                                                                                                                        30    240K F




                                                                                                                                                            R471
                                                                                                                                                                   12KF
                                                                                                                                                                                                                                                             UVLS                                                           10k                           102                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          CMP6                                                                                                                                                                    COMM
                                                                                      Q451                                                                                                                                                                                                                                                                                                                                                                                  OPEN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                             GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             5 IS5                                                                                                                                         29
                                                                                   KTN 2N7002                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         IS5                                                                                                                                                                     ADIM                                                        ADIM
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            GND1
                                                             R465                                                                                                                                                                              C423                                                                                                                                                                                                                     R419                                                                                                                                                                                                                                                                                                                                                                                                                 6 CMP5                                                      U401                                                              STATUS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           28
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             STATUS
BL-I-CTRL                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ISW                                                                                                                                                                                                                                                                                                                                                         CMP5
                                                                                                                                                                                                                                               OPEN                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      LQFP-48 pin 0.8 Pitch OZ9909TN                                                                                                                       R407 10
                                                              10K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            7 IS4                                                                                                                                VIN 27




                                                                                                                                                                                                                                                                                                                                                                          R455A 1 F

                                                                                                                                                                                                                                                                                                                                                                                                   R455B 1 F

                                                                                                                                                                                                                                                                                                                                                                                                

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