Samsung UN NU710DF Series - Page 56

CNM801 (MAIN Connector) - 40/43/50/55/58/65 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
CNT801 (T-CON Connector) - 75 inches
1
A13V(TCON)
2
GND
3
A13V(TCON)
4
GND
5
A13V(TCON)
6
GND
7 A13V(TCON) 8 GND 9 A13V(TCON) 10 GND
Power TV On1.
POWER ON/OFF 9 .2Vdc(wheno)changesto3.3Vdc (on)
NOTE
Thereisanapprox20seconddelayfromPS-ONtooconditionwhentheTVispoweredo,andapproxa2•
minutedelaywhentheTVisrstpluggedintoACPower.
If voltage error or no change: 2.
Jog Function Control Test 9
If OK replace Main Board3.
All 9 A13V supplies for approx. 12.7VDC (see SMPS label)
If any wrong voltages, remove SMPS connector to Main Board4.
All 9 A13V again for 12.7VDC (see SMPS STBY/ON label)
If OK replace 5. Main Board
If still wrong voltage replace SMPS6.
OD_ ON/OFF 9 (Over Voltage Detect) 3.3Vdc : Operating Normal
If 0V or changing, an SMPS or Panel error exists. Perform Backlight Test.7.
BLU_PWM 9 BacklightOn/O&DimControl: 1Vdc – 3.3 Vdc depending on backlight dimming level for video.
If missing or error : Replace Main Board.•
4-5
4. Troubleshooting