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LG_50G2_50PQ30_diagrams_[SCH][TM]


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                                           50PQ30 50G2 (SMPS) POWER SUPPLY BOARD
                                                                                                            Model : PDP 50G2####
                                                             EXAMPLE: Voltage Label. Use the voltage
                                                                                                            Voltage Setting:5V / Va:60V / Vs:193V
                                                             label off your specific panel for adjustments. N.A. / -185 / 133 / N.A. / 80
                                                                                                                Max Watt : 350 W (Full White)
                                           Hot Ground Symbol represents a SHOCK Hazard

                     P811                                                                                                    VA Adjust      VS Adjust
                     10                                                                                                       VR502          VR901
                            L602




                     1
                                                                                         T901
                                                   F801
                            L601




                                                  4A/250V
                                                        STBY 123V
                                                                                 VR901           VR502
                                                        RUN 382V                                  Va                                     P813
                          10) M5V                                                 Vs
                           9) M5V                                                                                            1     17V          2    17V
                           8) Gnd                         F801
                           7) VA                                               1,2) 17V                                      3                  4
                                                                                                                                   Gnd               Gnd
                                                                               3,4) Gnd
                           6) VA                                                                    17V turns on
                                           Hot Ground




                                                        STBY 160V
                                                                    Hot Ground




                           5) Gnd                                              5,6) 12V                                      5     12V          6    12V
                                                        RUN 382V                                     with Vs On
       Hot Ground




                           4) Gnd                                              7,8) Gnd
                                                                                                     command                 7     Gnd          8    Gnd
                           3) N/C                                              9,10,11) +5V
                           2) VS                                               12) Stby 5V                                   9     5V           10 5V
                                                            F302               13,14) Gnd
                           1) VS
                                                             1A/           T30115) n/c                  IC701                 11 5V             12    STBY 5V
                                                            250V               16) Gnd                                        13 Gnd            14 Gnd
                                                                               17) 5V Det
                                                                               18) AC Det                                     15 Gnd            16 N/C
                                                           F101      F101      19) RL_On
                                                                               20) VS_On                                      17   5V Det       18 AC Det
C107




                            C106




                                                                   10A/250V
                                                                               21) M5_On
                                   RL101

                                           RL103




                                                                                                        P813 23               19 RL ON          20 VS ON
                                                                   AC In       22) Auto Gnd         1
                    L102
                                                                               23) Stby 5V                                    21   M5 ON        22    Auto Gnd
                                                               SC101           24) Key_On
                                                                                                    2           24            23   Stby5V       24    Key On



                                                                                                        Published November 2009                     50PQ30 Plasma
                                                50PQ30 (50G2) Y-SUS BOARD
                                                                                                   -Vy    VSC


                                                                                     Model : PDP 50G2####
                                           EXAMPLE: Voltage Label
                                                                                     Voltage Setting:5V / Va:60V / Vs:193V
 Voltages must
                                         Use the voltage label off your
                                                                                     N.A. / -185 / 133 / N.A. / 80
 be taken from                           specific panel for adjustments
Floating Ground
                                                                                     Max Watt : 350 W (Full White)


   12) FGnd                                                                                                                           1) +5V
   11) OC2                                                                                                                            2) +5V
   10) DATA   P209                                                                                                                    3) Gnd
    9) OC1
    8) STB                                                     VR601                                                     P206         4) Gnd
                                                                                                                                      5) Gnd
    7) Clk                                                                                                                            6) Gnd
    6) FGnd
    5) FG5V
                                                               SET-UP                                                                 7) n/c
                                                                                                                                      8) ER_COM
    4) FG5V                                                                                                                           9) ER_COM
    3) FGnd                                                                                                                           10) n/c
    2) FGnd                                                                                                                           11) +Vs
                         Floating Gnd




    1) FGnd                                                                                                                           12) +Vs

              P204
                                                                                                                                      1) +Vs
                                                                                                                                      2) +Vs
                                                                                                                                      3) No pin
                                                                                                     FS202                            4) Gnd
                                                                                                                                      5) Gnd
                                                                                                    4A/250V                           6) Va
                                                                                                                                      7) Va
                                                                                                                                      8) Gnd

                                                                                                                         P201
                                                                                                                                      9) +5V
                                                                                                                                      10) +5V
                         Floating Gnd




                                                                                                                           FS201
                  P203                                                                                                    10A/125V
                         Floating Gnd




              P205                                                                    +        -Vy TP
                                                                                                R201
                                             VR501
                                              VSC         D502
                                                                 D503                                                     P101
                                                                                                                                 1
 Voltages must                                                             IC503               VR502      VR401
 be taken from                                               T501
                                                                                     IC502      -Vy       SET-DN
                         Floating Gnd




Floating Ground                                 +
                  P208                                                D501
                                                                                       IC303                    1) 15V           30
  12) VScan                                                                                              15V    2) 15V
  11) VScan                              C214                                                                   3) 15V
                                                                                                     FS501
  10) n/c
  9) FG5V                                C213       VSC TP          Q503    1) Gnd
                                                                            2) Gnd
                                                                                                    125V/4A
                                                                                                                4) 5V
                                                                                                                5) 5V
  8) FG5V                                                                   3) Gnd                              6) 5V
  7) FGnd
  6) Clk
                                                     R202                   4) n/c
                                                                            5) Va
                                                                                                                7) 5V
                                                                                                                          FS201
  5) STB                                 Right side                         6) Va       T502
  4) OC1          P207                                                      7) Va                                        10A/125V
  3) DATA                               C213 Vscan                                                                          Va
  2) OC2
  1) FGnd
                                                              P202
50PQ30 (50G2) Y-DRIVE BOARD (50PQ30)
                            Y-Drive
                            Upper

                                            Voltages must
                                            be taken from




                     P101
                                           Floating Ground

                                                      P109
                                                   12) FGnd
                                                   11) OC2
                                                   10) DATA
                                                   9) OC1
                                                   8) STB
                                                   7) Clk
                                                   6) FGnd
                                           P109    5) FG5V
                                P10                4) FG5V




                     P102
                             FG5V 9                3) FGnd
                                                   2) FGnd
                                                   1) FGnd
                            FL101
                                            P106
                                 P10       All Pins
                                  6        Floating Gnd



                                C105
                                 - +        FG5V
         P108
                                           P107
       1) FGnd                   P10       All Pins
       2) FGnd                    7        Floating Gnd
       3) FGnd
                     P103




       4) n/c
       5) VScan                             Y Drive
       6) VScan                               TPs
      VSC (Y Scan)      P108
         143V

         P209           P209                Y Drive
       6) FGnd                                TPs
       5) FGnd
                     P201




       4) FGnd                             P208
       3) n/c                              All Pins
       2) VScan                            Floating Gnd
       1) VScan
      VSC (Y Scan)
         143V


                                            P206
                                           All Pins
                                           Floating Gnd
                              C205          VSC (Y Scan)
                              -
                                               143V
                              +
                     P202




                                               P205
                                               12) VScan
                               FL201
                     FG5V                      11) VScan
                                               10) n/c
                                    P205




                                               9) FG5V
                                               8) FG5V
                                               7) FGnd
                                               6) Clk
                                               5) STB
                                               4) OC1
                                               3) DATA
                                               2) OC2
                                               1) FGnd
                     P203




                                             Voltages must
                                             be taken from
                                            Floating Ground
                        Y-Drive
                        Lower
                                                                 50PQ30 (50G2) Y-SUS Board
       Y-Drive
       Upper
                                        EXAMPLE:                       Model : PDP 50G2####
                                      Voltage Label                    Voltage Setting:5V / Va:60V /
                                     Use the voltage                   Vs:193V
P101




                                      label off your                   N.A. / -185 / 133 / N.A. / 80
                                    specific panel for                 Max Watt : 350 W (Full White)
                                       adjustments
                                                                                 -Vy VSC


                                                                                                                            +5V
                                                                                                                            +5V
                                                       P209                                                                 Gnd
                                                                                                                            Gnd
                                                                12) FGnd                                                    Gnd
             P109
P102




              P109                                              11) OC2                         VR601                       Gnd
                                                                10) DATA                                                    n/c
        FG5V
                                                                9) OC1
                                                                                                SET-UP                      ER_COM           P206
                                                                8) STB                                                      ER_COM
        FL101
                                                                7) Clk                                                      n/c
                                                                                                                            +Vs
                                      Floating Gnd




                                                                6) FGnd
                     Floating Gnd




                                                                                                                            +Vs
                                                       P204




                                                                5) FG5V
             P106
              P106                                              4) FG5V
                                                                3) FGnd
                                                                2) FGnd
                                                                1) FGnd                                                          FS202
                                                                                                                                14A/250V
              C105
              -  +
                                                                                                                                                     P201
                                                                                                                                   +Vs
                                                                                                                                   +Vs
                                      Floating Gnd




              FG5V
                     Floating Gnd




                                                                                                                                                        FS201
                                                                                                                                   No pin
                                                       P203




              P107                                                                                                                                     10A/125V
              P107                                                                                                                 Gnd
                                                                                                                                   Gnd
P103




                                                                                                                                   Va
                                                                                                                                   Va
                                                                                                                                   Gnd
                     Y Drive                                                                                                       +5V
                                                                                                                                   +5V
                       TPs
             P108
             P209
       VScan
       VScan
       FGnd
       FGnd
       FGnd
P201


       n/c




                                      Floating Gnd
                     Floating Gnd




                                                       P205




              P208                                                                                          +
                                                                                                                       -Vy TP
                                                                                                                        R201
                                                                VR501
                                                                 VSC                    D503
                                                                                D502
                                                     P208                                       IC503                  VR502                VR401
                                                                                 T501
                                                                                                                                                            1
                                                                                                                        -Vy                SET-DN
                                      Floating Gnd
                     Floating Gnd




                                                                +                          D501
                                                                                                    IC502
              P206                                                      VSC TP                                              15V                      P101
                                                         C214            R202                                                               1) 15V
         C205                                            C213                            Q503                                FS501          2) 15V
         -                                                                                                                  125V/4A         3) 15V          30
P202




         +                                                                                                                                  4) 5V
                                                                    12) VScan                                                                          FS201
                                                                                                                                            5) 5V
                     P205




                                                                    11) VScan                                   T502
                                                                                                                                                      10A/125V
             FL201                                     P207         10) n/c
                                                                                                                                            6) 5V
   FG5V                                                                                                                                     7) 5V        Va
                                                                    9) FG5V
                                                                    8) FG5V
                                                                    7) FGnd       P202
                                                                    6) Clk
                                                                    5) STB
                                    Voltages must                   4) OC1                                  1) Gnd
                                    be taken from                   3) DATA                                 2) Gnd
                                       Floating                     2) OC2                                  3) Gnd
                                       Ground                       1) FGnd                                 4) n/c
                                                                                                            5) Va
P203




                                                                                                            6) Va
                                                                                                            7) Va



   Y-Drive
   Lower
                     50PQ30 (50G2) Z-SUS BOARD
              EXAMPLE: Voltage Label      Model : PDP 50G2####
              Use the voltage label off   Voltage Setting:5V / Va:60V / Vs:193V
               your specific panel for    N.A. / -185 / 133 / N.A. / 80   Z Bias
                    adjustments           Max Watt : 350 W (Full White)


1) +5V
2) +5V
                                                   VZB TP Top Side
3) Gnd
4) Gnd
                                                 R271 or R272 To J125
5) Gnd
6) Gnd
7) n/c
8) ER_COM
9) ER_COM
10) n/c
11) +Vs
12) +Vs
                           P101 Vs fuse
                                                                        J125




                                                                                   P104
             FS100
             FS100               FS102
            125V/10A            250V/4A
              (M5V)                       VZB Adj
                                           VR200




                                                                          Z Bias
                                                                         Waveform

                                                                                     J27




                     Gnd
                     Z-enable
                     Z-Bias
                     Z-Ramp
                     Gnd                     L200
                     Z-ER-Up
                     Z-ER-Dn                                                P105
            P100     Z-SUS-
                     Up
                     Z-SUS-
                     Dn
                     Gnd
                     +15V
                     +15V



              15V Pins 11/12
                   FS101
            FS101 125V/4A                                                   P103
                    (15V)



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