Sharp LC-32DV200E Service Manual page 29

THE PICTURE DOES NOT
APPEAR
Does backlight shine?
Yes
Is CD2801 connected?
Yes
Is there voltage at pins
27, 28, 29 and 30 of
CP2804?
Yes Yes
Is there signal at pins 6,
7, 9, 10, 12, 13, 15, 16,
18 and 19 of CP2804?
No
Change DIGITAL PCB.
TROUBLESHOOTING GUIDE
No
Is there voltage at pins 1,
2, 3, 4 and 5 of CP3803
24V?
No
Connected CD2801.
No
Check Q3012 and
peripheral circuit.
Yes
No
Yes
E-3 E-3
Check IC3802, T3801, D3822
and peripheral circuit.
Change V2801(PANEL).