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