Sharp LC-26AD22U User Manual

TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT
APPEAR (1)
Is there signal at pins 7,
8, 10, 11, 13, 14, 16, 17,
19 and 20 of CD7201?
Is there signal at IC2405?
Change V2301(PANEL).
Change IC2405.
Check DIGITAL PCB.
Does backlight shine?
Is CD7201 connected?
Connected CD7201.
Is there voltage at pins
1, 2,3, 4and 5 of CP406
12V?
Check D436, D437 and
peripheral circuit.
Yes
No
No
No
No No
Yes
Yes
Yes
Yes
Is there voltage at pin
28,29,30 and 31 of
CP2407 12V?
Yes
No
Check Q3410 and
peripheral circuit.
E-3

Sharp LC-26AD22U Specifications

General

Brand	Sharp
Model	LC-26AD22U
Category	TV DVD Combo
Language	English