TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR
Does backlight shine?
Is CD2801 connected?
Connected CD2801
Yes
No
No
No
Yes
Yes
No
Check Q3008 and
peripheral circuit.
Is there voltage at pins
26,27,28,29 and 30 of
CP7202 5V?
Is there voltage at CP7001,
CP7002,CP7003 and
CP7004 24V?
Check D515,T501 and
peripheral circuit.
Is there signal at pins
5,6,8,9,11,12,14,15,17
and18 of CP7202?
Change V2801(PANEL).
Change DIGITAL PCB.
No
Yes
Yes
E-6
㩷
22LV610U