LG SPK8-W Service Manual

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Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR
“HELLO” ON FRONT PANEL
When you turn on your set, it will blank / no message on front panel, and stand-by LED doesn’t work.
1-3. LCD System power 12 V, VCC_5V (No 12 V, VCC_5V)
1-3-1. Solution
Replace MAIN board.
1-3-2. How to troubleshoot (Countermeasure)
1) Please check CN101 12 V (pin7), VCC_5V (pin3).
2) If 12V, VCC_5V is abnormal, replace MAIN board.
3) If 12V, VCC_5V OK, replace FRONT board.
1-3-3. Service hint (Any picture / Remark)
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< MAIN board top view >
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CN101
CN101

LG SPK8-W Specifications

General

Brand	LG
Model	SPK8-W
Category	Speaker System
Language	English