No Sound - Daewoo DTT-3250MT Service Manual

TROUBLE-SHOOTING

4.No Sound

Check
Mute or Volume Level
Check Speaker
And Connection
Check Audio_L/R
(#6,#12 of I601)
Check Sound B+
(#3, #16 of I601)
Check
#10 of I601
Over 3V
Check/Replace
Analog 4.4V, B+
Aound Mute Line
RF(Analog)
Check
#31 of IC501
Check/Replace
B+, SCL,SDA
of Tuner
Check/Replace
SF01
Check/Replace
I501
Check/Replace
D817
(Sound B+ Line)
Under 1V
Check/Replace
I602
-13-
Check
#27~#28 of IC501
Check
#9~#14
of IC501
Check/Replace
5V, Check
external condition
External(AV)