TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR
Is there signal at pins 5,6,
7,8,10,11,19,20,21,23,
24,25 of CP7200
Change V7201(PANEL).
Change MAIN PCB.
Does backlight shine?
Is CD7204 connected?
Connected CD7204.
Is CD7005,CD7006
connected ?
Connected CD7005,CD7006
Yes
No
No
No
No
Yes
Yes
Yes
Yes
No
Check IC3803 and peripheral
circuit.
Is there voltage at pins 1,2
and 16 of CP2804 5V?
Is the signal pin 16
and18 of IC7001 ?
Is the voltage at pin
20 of IC7001 12V ?
Yes
Yes
Check IC7001 and
peripheral circuit.
Check F7001.
No
No
E-3