Samsung UE49NU7172U Service Manual page 48

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

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