
TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR (1)
Is there signal at CP7200?
Is there signal at IC3901?
Change V2301.
Change IC3901.
Check DIGITAL PCB.
Does backlight shine?
Is CD7200 connected?
Connect CD7200.
Is there voltage at pins 1,
2,3,4 and 5 of CP406
24V?
Check IC401, T401 and
peripheral circuit.
Yes
No
No
No
No No
Yes
Yes
Yes
Yes
E-2
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