5-2.When No Sond; 5-3.When Key Does Not Operte - DAEWOO ELECTRONICS DLT-42U1GMB Service Manual

Trouble Shooting
5-2. When No Sound
Check Start
Does Screen appear?
Is the Sound input Jack
correctly connected?
Is the Speaker
correctly connected?
Are
625A Outputs norm
SPEAKER or SOUND CABLE has a
trouble.
5-3. When Key does not operate
42G1 : replace the key PCB.
42/46 U1 : replace the touch botton.
All manuals and user guides at all-guides.com
Y
Y
Y
Y
P622A and P
N
1.Confirm AC connection
2.Confirm Power S/W ON
3.Check Video or other
PCBs
N
Check the
N
Check the connection of S
N
Perhaps IC009 or IC008
problem. replace main PCB.
-20-
connection of ja