44
No picture Flowchart 2 Are the video signals
correct at the D1
board input? Reference the HY/HZ and HX
board troubleshooting charts
Is the SC board
LED lit?
The SC board is suspected
to be defective.
Is the TPSC1
Waveform incorrect?
The D2 Board is suspected to
be defective.
Are the voltages at
connectors SC2 and SC23
of the SC board correct?
The Power Supply is suspected
to be defective.
Are the trigger signals at
connectors SC20 and SC21
of the SC board correct?
The D2 Board is suspected to
be defective.
The SC Board is suspected
to be defective.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES