Table Of Contents - 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)
Table of Contents
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Standard Repair Process Detail Technical Manual
Error symptom
Content
<ALL MODELS>
Checking order
1. Check the contact condition of or 24V connector of Main Board
2. Measure the 24V input voltage supplied from Power Board
(If there is no input voltage, remove and check the connector)
3. Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound
when you touch the GND and output terminal, the speaker is normal.
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
②
1
3
5
3.5V
7
9
24V
11
GND
13
12V
15
12V
17
GND
Established
date
Revised
date
2
4
6
3.5V
8
10
③
12
14
12V
16
NC
18
GND
A16
①
< Main Ass'y>
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