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LD : 82 inches
1
GND
2
7
SDA LED
8
13
SERIAL DATA
14
1.
Power TV On
POWER ON
.2Vdc (when off) changes to 3.3Vdc (on)
9
NOTE
•
Will stay On for short time when powered off.
2.
If voltage error or no change:
Jog Function & IR Control Test
9
3.
If OK replace
Main Board
All
A13V
supplies for approx. 12.7VDC
9
4.
If any wrong voltages, remove SMPS connector to Main Board
All
A13V
again for approx 12.7VDC
9
5.
If OK replace
Main Board
6.
If still wrong voltage replace SMPS
7.
If 0V or changing, an SMPS or Panel error exists. Perform Backlight Test.
Backlight On/Off :
9
Vdrv
supplies to LD Board (approx 78V dc with multi meter)
9
CN9003A (To Main Board Connector)
SEAMLESS
3
GND
9
N.C(TEST LD) 10
GND
15
0V Off to 3.4Vdc ON CN9003A pin 5
GND
4
SCL LED
VSYNC IN
GND
16
CONTACT
4. Troubleshooting
CN9003A
To Main Board Connector
5
BLU On/Off
6
11
SERIAL STT
12
Backlight
N.C(TEST SD)
SERIAL UHR
4-5
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