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4. Troubleshooting
4-2. Power
4-2-1. TV POWER STANDBY
•
55 inches_SMPS Board
Main Connector (POWER)
1
GND
2
7
A13V_PW
8
Power_On/Off
TV POWER STANDBY TEST :
1. TV in Standby
Check Standby LED Indicator
9
2. If Not Lit:
Check AC 120Vac Line
9
3. If missing:
Check AC120Vac Source/Power Cord
9
4. If OK:
Check resistance on SMPS
9
5. If fuss are open : replace
6. If fus are OK:
Standby:
A13V
9
7. If any missing remove the SMPS connector to the Main Board.
Check Standby
A13V
9
•
If OK replace the
•
If still missing replace SMPS.
4-2
CNM801
FUSE
CNM801 (Main Connector)
ANA_DIM
3
A13V_PW
9
A13V_PW
FUSE
after first removing AC power cord.
SMPS
(Always On) to Main Board.
again.
Main
Board.
4
OD ON/OFF
10
GND
11
5
A13V_PW
6
GND
12
BLU_PWM
GND
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