Read LG 32LX2D-UA (CHASSIS:AL-04DA) Service Manual online
- 18 -
No sound
Replace power board
Check Sound supply :
A_board P804 #1 18V
Check output
to the Speaker :
Dose P601 No.1 waveform
exist?
Check
If A_board 18V
is short-circuited.
Resistance btween A_board
P821 Pin No.2
and 3 infnity?
FAIL
FAIL
FAIL
Replace A_board
Replace A_board
Replace Speaker
PASS
PASS
Measure
A_power board trans output:
18V at power_board
CN803 #1
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