Mitsubishi VS-50603 50" Rear Projection Television "dc 2200 controller" Questions

DC AT CONNECTOR RF PIN 3 AND 4 ON THE SIGNAL PCB IF LOW SUSPECT PROBLEMS WITH THE SWITCHES/BUTTONS ON THE CONTROL PCB PART # 935D394001. 2). CHECK FOR 10 VDC AT PIN 5 OF IC502 OF LOW, CHECK IC503 PART

...2200 UFD @ 35V AND IC 451 PART # 270P064020. ON THE MAIN PCB. CHECK IC700 PIN 4 (AC-OFF) FOR 0 VOLTS DC, IF HIGH, CHECK FOR LEAKY D980 PART # 264P045040 ON THE MAIN PCB. 2. CHECK FOR 4.7 VOLTS DC AT ...