Service Manuals, User Guides, Schematic Diagrams or docs for : LG Monitor LG_OEM_LGIT_PLDD-P014A_[SCH]

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LG_OEM_LGIT_PLDD-P014A_[SCH]


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                                                      Power Supply Unit with Integrated Led Driver
      A01                                                                                                                                                            !      L402
                                                                                                                                                                           150uH
                                                                                                                                                                                                                                                                                                            D402
                                                                                                                                                                                                                                                                                                          B3100-13-F
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      A01
                                                                                                                                                 8                         5
                                                                                                                                                                                                                                                                                                                                                                       ANODE_R
                                                                                                                                                                                                                                                                                                                                            R450




                                                                                                                                                                                                                                                                                                                             68uF/100V
                                                                                                              !        L401                                                                                                   D401                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      CN5_1M99
                                                                                                                      150uH                                                                                                 B3100-13-F                                                                                                      22K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1                                                                                                                                                    CN2-1316




                                                                                                                                                                                                                                                                                                                   C414
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   GND1                                       GND_AL
                          VLED                                                                        8              5
                                                                                                                                                                                                                                                                         ANODE_L                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ANODE_R                                   1      ANODE_R
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   +12V                                  2    +12V_AL
                                                                                                                                                                                                                                                                                                                                          R450A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               2
                                                                                                                                                                                                                                                             R421                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        3                                                                                                                                                           NC




                                                                                                                                                                                                                                                 68uF/100V
                                                                                                                                  VREF                                                                                                                                                                                                     18K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            GND_AL
                                                                                                                                                                                                                                                             22K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              3




                                                                                                                                                                                             R414
                                                                 R412 R451                R413




                                                                                                                                                                                                                                          C413
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        R5_CATHODE




                                                                                                                                                                                                       1K
                                                                                                              UVLS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       4                +12V_AL
                                                                 100K 1K                  10K




                                                                                                                                                                   R441
                                                                                                                                                                                                                                                                                                                                                                C433                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          4




                                                                                                                                                                           47K
                                                                                                                                                                                                                POK                                          R421A                                                                          R449                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         5                                                                                                                                                              R4_CATHODE
                                                                                                                                                                                                                                                                                                                                                                47nF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      GND_AL
                                                                                                                                                                                                                                                              18K                                                                            1.5K                              CATHODE_R                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      5
                                                                                                 C416                                                                                 Q401                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               6                                                                                                                                                              R3_CATHODE
                                                                                          GND1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            +12V_AL
                                                                                                 100nF                                                                                7002D                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   6
                                                                                                                                                                                                                                                                       C422                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              7                                                                                                                                                              R2_CATHODE
                                                                                                                                                                                       G                        R415                                         R422                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         2D/3D
                                                   +12V                                                                                                                                                                                                                47nF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   7
                                                                                                                                                                                                                2K                                            1.5K                                                                                                                                       D                               C417                                                                                                                                                                                                                                                                                                                                                                                                            8                                                                                                    CATHODE_R                                                 R1_CATHODE
                                                                        R411                                                                                                                                                                                                                                                                    GND1                                                          Q404                                                                                                                                                                                                                                                                                                                                                                                                                                                        GND1
                                                                                          C409                                                                                                    S                                                                                                                                                                                            G                                       10nF/100V                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              8
                                                                         10                                                                                                            C410                                                                                                           D     Q403                                                                                             AOD450                                                                                                                                                                                                                                                                                                                                                                                                                                      9                                                                                                     CATHODE_L                                                L1_CATHODE
                                                                                   GND1
                                                                                          1uF                                                        R416
                                                                                                                                                                                                                                                              GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          +12V
                                                                                                                                                                                                                                                                                               G           AOD450                                                      R461                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   9
                                                                                                                                                      56K                              47nF                                                                                                                                                                                                              S                                                                                                                                                                                                                                                                                                                                                                                                                                              10                                                                                                                                                              L2_CATHODE
    BL-ON-OFF                                                                                                                                                                                                                                                                                                                                                          3.6K                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               BL-SPI-SDO_BL-DIM2
                                                                                                                                                                               GND1    GND1              GND1    GND1                                                  R470                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               10
                                R410                                                                                                                                                                                                                                                                  S                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 11                                                                                                                                                              L3_CATHODE
                                                       VREF                                                                                                                                                                                                             100                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               BL-SPI-SDO_BL-DIM3
                                10K                                                                                                                                                                                     D                                                     R463          C425                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          11
                                       C407       R409                                                                                                                            R417                                                                                                      OPEN                                                                                       C426                                                                                                                                                                                                                                                                                                                                                                                                                                                             12                                                                                                                                                              L4_CATHODE
                                                        C408                                                                                                                                                    G                                                                                                                                                       R462                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              BL-SPI-SDO_BL-DIM4




                                                                                                                                                                                                                                                                                                                                                                                                                                    R468H
                                       100nF      100K                                                                U401                                                                                          Q402                                                       10k                                                                                       10k            1nF                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               12
                                                       2.2uF                                                                                                                          100                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               13                                                                                                                                                              L5_CATHODE




                                                                                                                                                                                                                                                                                                                                                                                                                                      0
                                                                              R408                        1 UVLS              FAULT             24                                                                  AOD450                                                                         R464 R465 R466                                        R467                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             MAINS-OK/TEMP
                                                                                                                                                                                                             C424 S                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       13




                                                                                                                                                                                                                                                                                                                                                                                                             R468A

                                                                                                                                                                                                                                                                                                                                                                                                                      R468B




                                                                                                                                                                                                                                                                                                                                                                                                                                                  OPEN
                                                                                                                                                                                                                                                                                                                                                                                                                                                  R468I
                                                                                                                                                                                                                         R445                                                                        1    1    1




                                                                                                                                                                                                                                                                                                                                                                                                   R468
                                                                              47K                                                                                                                                                                                                                                                                         1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               OPEN                                                                                                                                                          NC
                                                                                                                                                23                                         R442              OPEN                                                               GND1 GND1




                                                                                                                                                                                                                                                                                                                                                                                                                       10
                                                                                                          2 VCC                                                                                                                                                        R471




                                                                                                                                                                                                                                                                                                                                                                                                    1

                                                                                                                                                                                                                                                                                                                                                                                                               1
                                                                                                                                   DRV1                                                                                   1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               14
                                                                                                                                                                                            10k                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ANODE_L                                         ANODE_L




                                                                                                                                                                                                                                                                                                                                                                                                                                    R468G
                                                                                                          3 ENA                    DRV2         22                                                                                                    R446              1k




                                                                                                                                                                                                                                                                                                                                                                                                                                     18
         VREF                                                                                                                                                                                                   R443                    R444           1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          20022WR-14BD_YH
                                                                                                          4 VREF                       GND      21                                                                1                      1
                                                                                                                                                                                                  GND1GND1
                                                                        R426                              5 RT                                  20                                R419                                                                                                                     GND1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        CN6_1M09
                                                   GND1
                                                             R407                                                                      ISW1                                                                                                                                                                                                                                                                  GND1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       C216100nF CN4_1M95
                            R438                                        10K                                                                                                           1k                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 1                                                                                                                                         1
                                                             56K                                          6 SYNC                                19                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 GND1                                       GND_AL                                                                                                ST3V3                               3V3stdby
                            100K                                                                                                   OVP1
                                                                                                                                                                                                                             GND1                                                                                                                                              CATHODE_L                                                                                                                                                                                                                                                                                                                                                                                                                                                                 2                                                                                                                                         2
                                                                                                          7 PWM1                                18                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  +12V                                      +12V_AL                                                                                          STANDBY                                  Standby
BL-DIM1(VSYNC)                                                                                                               PROT1
                       R452            C423                                                                                                                                                                                                                                                                                                                               R457                                                             C418                                                                                                                                                                                                                                                                                                                                                                                                          3                GND_AL                                                                                       GND1                                   3         GND1
                                                                                                          8 PWM2                 ISEN1          17                                                                                                                                                                                                                                                       D                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    $$$16705
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                GND1
                        10k            open                                                                                                                                                                                                                                                                                                                               3.6K                 G              Q405                       10nF/100V                                                                                                                                                                                                                                                                                                                                                                                                       4                                                                                                                                                    4
                                        GND1                                                              9 ADIM                                16                                                                                                                                                                                                                                                           AOD450                                                                                                                                                                                                                                                                                                                                                                                                                                                       +12V_AL                                                                                      GND1                                             GND1
                                                                                          ADIM                                         ISW2
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       +12V                                   5         +12V
                                                                                                      10 TIMER   OVP2 15
                                                                                                                                                                                                                                                                                                                                                                                                         S                       



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