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 to
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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.
•
SMPS
Main Ass’y
Power Ass’y
Speaker
DC Output Connector (40 inches)
CNM803 : YEONHO (SMAW200-H18S5K)
PIN #
Signal
PIN #
Signal
1
PWM_DIM3
2
PWM_DIM_2
3
GND
4
PWM_DIM_1
5
A13
6
OD_ON/OFF
7
A13
8
ON_LEVEL
9
A13
10
BLU_ON/OFF
11
A13
12
POWER_ON/OFF
13
A13
14
GND
15
GND
16
GND
17
N.C
18
N.C
4-1
4. Troubleshooting