Read LG 26LX2D-UA (CHASSIS:AL-04DA) Service Manual online
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TROUBLESHOOTING
No power
Connect the
connectors.
connectors.
Replace Power_board
Push the
POWER ON key
POWER ON key
O.K
Check
the condition of power
Related connectors.
FAIL
FAIL
FAIL
FAIL
FAIL
FAIL
FAIL
FAIL
PASS
PASS
PASS
PASS
PASS
Measure the
stand_by voltage :
D_board P1401 5
th
pin
ST_ 6V
Check the
power board
Digital ref. voltage :
Power board
CN804 1th pin 24V
Replace the
Power_board
Power_board
Replace Power board
Replace D_board
Measure D_board
Standby voltage :
Standby voltage :
D_board P818
6 pin 6V
Check
Power_board analog ref.
voltage A_board
P801 1th pin 24V
Measure
Power On signal level :
A_board P801
2nd pin > 5V
Measure
D_board supply voltage :
P1402 1th pin 3V
8th 6V, 10th 12V
Dose the
set turn on normally?
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