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4. Troubleshooting
4-1. Troubleshooting
4-1-1. Previous Check
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 10p 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 10 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
CNM803 (to Powr board)
1
A13V_PW
2
UNDER_DRV
3
A13V_PW
4
PWM_BLU
5
A13V_PW
10p cable
LVDS Cable
Speaker
6
PS On/Off
7
A13V_PW
8
GND
9
GND
10
GND
Inverter Cable
Power Ass'y
CNL802 (SMPS TO PANEL)
1
D+
6
2
D+
7
3
S1-
8
4
S2+
9
5
N.C
4. Troubleshooting
S2-
S3+
D-
D-
4-1
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