No Picture Flowchart 2 - Panasonic TH-42PX20U Service Update Information

No picture Flowchart 2

The SC Board is suspected
Are the video signals
correct at the DG
board input?
YES
Is the SC board
LED lit?
YES
Is the TPSC1
Waveform incorrect?
YES
Are the voltages at
connectors SC2 and SC23
of the SC board correct?
YES
Are the trigger signals at
connector SC20 of the SC
board correct?
YES
to be defective.
NO
Reference the H and DG board
NO
The SC board is suspected
NO
The D Board is suspected to
The Power Supply is suspected
The D Board is suspected to
44
troubleshooting charts
to be defective.
be defective.
NO
to be defective.
NO
be defective.