TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR
Does backlight shine?
No
Yes
Yes
No
Check R7003 and peripheral
circuit.
Is there voltage at pin7
of IC 7001 5VDC?
Check IC7001 and peripheral
circuit.
Is there voltage at
pin2 12VDC?
Check D514 and L503 and
peripheral circuit.
No
Change IC 7001.
Yes