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4. Troubleshooting
4-1. Troubleshooting
Check List for Initial operation
„
AC Power Cord connected to the TV and the wall receptacle.
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Standby Power/IR Indicator LED is turned On.
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If Power/IR Indicator is not on check 14p power cable is connected and for correct Standby Voltage from SMPS
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to Main. Also check Jog Function Cable.
Power turned On with Jog Function or Remote.
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Power on command from main Board to SMPS.
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Power/IR Indicator Flashes.
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Panel Back Lights are turned On.
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If no Backlights, unplug AC Power Cord, unplug 14 pin connector to SMPS, plug in AC Power Cord, Back light
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should come on. Check Main Board operation for error.
Power/IR Indicator goes off.
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Picture or banner is displayed.
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* If nothing is displayed , check the LVDS cable.
Main Ass'y
Main Board Assy (CN201)
9
A13V_PW
7
A13V_PW
5
A13V_PW
3
A13V_PW
1
GND
10P Cable
LVDS Cable
Speaker
10
UNDER_DRIVER
8
PWM_DIMMING_OUT
6
SW_POWER_TO_SMPS
4
GND
2
GND
Power Ass'y
8P Cable
Power Board Assy (CNM803)
1
A13V_PW
3
A13V_PW
5
A13V_PW
7
A13V_PW
9
GND
4. Troubleshooting
2
OD_UD
4
BLU_PWM
6
PWR_On/Off
8
GND
10
GND
4-1
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