When No Sound - Daewoo DLP-2612 Service Manual

7-1-2. When No Sound

A. Overview
Do images display on screen?
Is the Speaker connection
Problem of SPEAKER or Sound Cable.
Replace SPEAKER of Sound Cable.
Check Start
Y
Check Sound Mute Off?
Y
Is the Sound input Jack
properly connected?
Y
Correctly connected?
Y
Check 11th PIN of IC603
and IC604?
Y
Check Sound output at
P601 and PW602?
Y
N
1. Check AC connection
2. Check Power S/W ON
3. Check Main or other PCBs
N
Cancel Sound MUTE
N
Check the connection of Jack
(LCD and AV device)
N
Check the connection of Speaker
N
Perhaps IC601 Problem
Replace SUB PCB
N
IC603 & IC604 Problem
Replace Sub PCB
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