Lg tv no sound picture only.
LG TV 21''NORMAL PCB.
MAIN IC TDA9340PS/N3/A/1833.
FBT 6174V-6006E/Y.
VERTICAL IC TDA4863.
SOUND IC TDA7297.
STR W6754.
SOLUTION:
1.Power on/Check sound ic all pin voltage-----pin No.7 low voltage.
2.Check voltage source registor------R610(47K).
3.Check R610(47K) input voltage------ok.
4.Check R610(47K) output voltage------low.
5.Power off/Open the registor.
6.Measure the registor-----registivity high.
7.Replace the registor.
8.Then------
Негізгі бет Lg tv no sound picture only | Lg tv no sound problem | Lg tv no sound picture ok
Пікірлер: 34