32LH5700 - LG TV Service Manual (repair manual). Page 25

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2. Protect mode 
 
(1) Symptom 
1)  After once shining, it does not discharge minutely from module.
 
2)  It is converted with the color where the front LED is red from blue.
 
 
(2) 
Check follow
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Is normal the Power 
Board? 
Is normal the each 
connector? 
Is output the normality 
Low/High .voltage 
except Stand-by 5V?
 
Is normal the Main 
Board? 
Yes 
Yes 
No No 
No 
No 
Replace Power Board.
After connecting well 
each connector, the 
normality it operates? 
Replace Power Board.
After remove JP1 
normal operation: 
Replace Main Board
Is normal the output   
voltage after remove   
JP1 of Main Board?
No No 
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