- 13 -
TROUBLESHOOTING
No power
Connect the
connectors.
Replace Power_board
Push the
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
Replace Power board
Replace D_board
Measure D_board
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?
Summary of Contents for 26LX1D-UA
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