TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR
Does backlight shine?
Is CD2801 connected?
Connected CD2801
Is CP7001,CP7002
connected?
Connected CP7001,CP7002.
Yes
No
No
No
Yes
Is the voltage at pins
13,15 of IC7001 8.3V?
Yes
No
Check IC7001 and
peripheral circuit.
Is there signal at pins
7,9,10,12,13,22,23,25,26,
28 of CP2804?
Change V2801(PANEL).
Change DIGITAL PCB.
No
Yes
Yes
Yes
No
Check Q3008 and
peripheral circuit.
Is there voltage at pins
1, 2, 3, 16 and 17 of
CP2804 5V?
E-5
19LV610U