Service Manuals, User Guides, Schematic Diagrams or docs for : LG Monitor LG_50PS80_Block_Diagram_[SCH]

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LG_50PS80_Block_Diagram_[SCH]


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                                Y-SUS LOCATION                                     Generic Part                  P302         Pin      Diode Check          Pin     Diode Check          50PS80 TV INTERCONNECT DIAGRAM
                     D51, 52, 61, 62, 71, 72                                        MA3DF30                                   1,2            Open            6,7        Open
                                                                                                                                                                                                NOTE: Diode tests are conducted with the PWB disconnected.
                     Q51, 52, 61, 62, 71, 72, 73, 81, 82, 83                            45F122                                   3           NC              8            NC
                                                                                                                              4,5
                                                                                                                                                                                                                                                                                            Note: If AC Det (Pin 18) is missing, the set will not come on
                     Q98, 99                                                            K3667                                                Gnd            9,10        0.86V
                                                                                                                                                                                                                                                                                            Note: The 17V supply will pulsate 2 to 3 times a second with Vs unloaded.                                                                                       Z-SUS LOCATION                                          Generic Part
                     Q93, 94, 95, 96, 97                                            IRFI14229                                                                                                                                                                                                                                                                                                                                           D16, 17                                                                          RF2001
                                                                                                                                                                                                                                                     VS Adj
                                                   A Flat Period: Set-up VR602                                                                                                                                                                       VR901                                                                                                                                                                              Q10, 11, 12, 20, 21, 22, 30, 31, 40, 41                                       45F122
                                                                                                                                                                                                                                                                                                         P814 "SMPS" - P1108 "MAIN"                                                                                                     D30, 31, 40, 41                                                              MA3DF30
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