Samsung UA43RU7100K Service Manual page 31

• 75 inches
1 GND 2
7 A13V 8 POWER_On/Off
1 2+ 2
7 1+ 8
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
CNM801
Main Connector (POWER)
CNL801
LED Connector
FUSE
CNM801 (MAIN Connector)
ANA-DIM 3
9
CNL801 (LED Connector)
2- 3
1- 9
FUSE after first removing AC power cord.
SMPS
(Always On) to Main Board.
again.
Main Board.
SMPS.
A13V 4 OD_ON/OFF
A13V 10 GND
3+ 4 3-
5- 10 5+
4. Troubleshooting
5 A13V 6
11 GND 12
5 6+ 6
11 4- 12
BLU_PWM
GND
6-
4+
4-5