Samsung UE49NU7172U - Page 48

CNM801 (MAIN Connector) - 49/55/58/65 inches
1 FAIL COUNT 2 ANA-DIM 3 A13V 4 OD ON/OFF 5 A13V 6 PWM_BLU
7 A13V 8 PowerOn/O 9 A13V 10 GND 11 GND 12 GND
CNM802 (MAIN Connector) - 75 inches
1 FAIL COUNT 2 ANA-DIM 3 A13V 4 OD ON/OFF 5 A13V 6 PWM_BLU
7 A13V 8 PowerOn/O 9 A13V 10 GND 11 GND 12 GND
CNL801 (LED Connector)
1 1+ 2 1- 3 2+ 4 2- 5 3+ 6 3-
7 4+ 8 4- 9 N.C 10 N.C 11 N.C 12 N.C
TV in Standby1.
Standby LED Indicator 9
If Not Lit:2.
AC 120Vac Line 9
If missing:3.
120Vac Source/Power Cord 9
If OK:4.
Resistance on SMPS 9 FUSEafterrstremovingACpowercord.
If fuss are open : replace 5. SMPS
If fus are OK:6.
Standby 9 : A13V (Always On) to Main Board.
If any missing remove the SMPS connector to the Main Board.7.
Standby 9 A13V again.
If OK replace the • Main Board.
If still missing replace • SMPS.
4-3
4. Troubleshooting