Power; Tv Power Standby - Samsung QN82Q8FNBF Service Manual

4. Troubleshooting

4-2. Power

4-2-1. TV POWER STANDBY

• SMPS : 82 inches
To Main Board Connector (POWER)
1 N.C 2 POWER_LOW
7 A13V 8
13 A13V 14
19 GND 20
1 GND 2
7 Vdrv 8
13 A13V 14
1. TV in Standby
Standby LED Indicator
9
NOTE
• Status can be changed in user menu and may default off.
2. If Not Lit: (and should have been lit with status setting)
AC 120Vac Line
9
3. If missing:
120Vac Source/Power Cord
9
4. If OK:
Resistance on SMPS
9
5. If fuss are open : replace
4-2
CNV903
To LD Connector
CNM803
FUSE
CNM803 (To Main Board Connector)
3 GND
N.C 9 FAIL COUNT
N.C 15 A13V
GND
CNV903 (To LD Connector)
GND 3 Vdrv
Vdrv 9 Vdrv
FAULT 15 GND
FUSE after first removing AC power cord.
SMPS
4 GND
10 N.C 11
16 POWER_ON/OFF 17
4 Vdrv 5
10 Vdrv 11
16 GND 17
5 A13V 6
A13V 12
A13V 18
Vdrv 6
GND 12
GND 18
GND
N.C
GND
Vdrv
GND
GND