Gnd - LG 32LF550B Service Manual
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Also See for 32LF550B:
- Owner's manual (73 pages) ,
- Manual (45 pages) ,
- Safety and reference (45 pages)
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Standard Repair Process Detail Technical Manual
Error symptom
Content
<ALL MODELS>
< Sub Ass'y>
①
Checking order
1, 2. Check IR cable condition between IR & Main board.
3.
Check the st-by 3.3V on the terminal 4.
4.
When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog
Tester needle moves slowly, and defective when it does not move at all.
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Only for training and service purposes
D. Function error_ No response in remote control,
key error
Remote control operation checking method
②
Established
date
Revised
date
< Main Ass'y>
P4600
1
GND
2
KEY1
3
KEY2
③
4
3.5V_ST
5
GND
6
LED_R
④
7
IR
8
GND
9
SCL
10
SDA
A17
LGE Internal Use Only
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