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