6-1-2.When No Sound - Daewoo DLT-26C2 Service Manual

Main PCBs Trouble Diagnosis

6-1-2.When No Sound

A. Overview
Check start
Do images display on screen?
Check Sound Mute On?
Is the Speaker connection connected?
Check R224, R229?
Check R291, R310, L26, L27?
Problem of speaker or
Sound cable
Y
Y
Y
Y
Y
1.Check AC connection
N
2.Check Power S/W ON
3.Check Main PCB
N
Cancel Sound MUTE
N
Check the connection
of Speaker
N
Perhaps U8 Problem
Replace MAIN PCB
N
U13, U12, U14 Problem
Replace MAIN PCB
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