Dark Picture Flowchart - Panasonic GPH5D Troubleshooting Manual

Dark picture Flowchart

Are the voltages at connectors
The SS Board is suspected
Are the video signals
correct at the D1
board input?
YES
Are the SS
board LEDs lit?
YES
Is the TPSS1
Waveform incorrect?
YES
SS11 and SS12 of the SS
board correct?
YES
Are the trigger signals at
connector SS33 of the SS
board correct?
YES
to be defective.
NO
Reference the HY/HZ and HX
board troubleshooting charts
NO
The SS board is suspected
NO
The D2 Board is suspected to
The Power Supply is suspected
The D2 Board is suspected to
45
to be defective.
be defective.
NO
to be defective.
NO
be defective.