Sharp LC-26SH12U Service Manual - Page 25

The Color Does - digital

Page 25 highlights

TROUBLESHOOTING GUIDE THE COLOR DOES NOT APPEAR Is setting of color No normal? Yes Is the color signal No received? Yes Is there color signal at Yes pins A9 and A13 of IC2401? No Is there color signal at No pins 33 and 35 of IC701? Yes Check IC701 and peripheral circuit. Adjust the color. Receive the color signal. Change DIGITAL PCB. Check Q701,Q702 and peripheral circuit. E-5

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TROUBLESHOOTING GUIDE
Is setting of color
normal?
Is the color signal
received?
Is there color signal at
pins A9 and A13 of
IC2401?
Adjust the color.
Receive the color signal.
Change DIGITAL PCB.
Check IC701 and
peripheral circuit.
Yes
No
THE COLOR DOES NOT
APPEAR
Yes
No
Yes
No
Is there color signal at
pins 33 and 35 of
IC701?
Yes
No
Check Q701,Q702 and
peripheral circuit.
E-5