Table of Contents
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TV POWER ON SEQUENCE
„
1.
Power TV On.
PS_ON
. 2Vdc (when off) changes to 3.3Vdc (on)
9
May already be On if IoT USB is loaded or TV Smart Things Hub mode is active.
-
2.
if voltage error or no change.
Jog Function Control Test.
9
3.
If OK replace Main Board.
A13V
supplies to full voltage level 12.7VDC.
All
9
see (SMPS label for approx. STBY and On voltage)
9
4.
If any wrong voltage, remove the SMPS connector to Main Board.
A13V
again for 12.7VDC.
9
5.
If OK replace Main Board.
6.
If still wrong voltage replace SMPS.
OD
(Over Voltage Detect) : 3.3Vdc (Operating Normal)
9
7.
If 0V or changing, an SMPS or Panel error exists.
8.
Perform Backlight Test.
Backlight On/Off
9
If missing/error replace
9
0V Off to 5Vdc ON.
Main Board.
[Backlight On/Off]
4. Troubleshooting
4-5
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Table of Contents
Troubleshooting
