EasyManua.ls Logo

LG LAS855M - One Point Repair Guide

LG LAS855M
81 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
2-2
ONE POINT REPAIR GUIDE
1. IF THERE IS NO SOUND OR HAVE A PROBLEM ON LCD.
1-1. IC601 (NO 12 V)
1-1-1. Solution
Replace IC601 on AMP board.
1-1-2. How to troubleshoot (Countermeasure)
1) Please, check 25 VA of IC601 pin7 (VIN).
2) If 25 VA is abnormal, check the parts (L603, F601, JK600). And change the weird one.
3) If 25 VA is OK, check PWR_CTRL (R614).
If it is not high state, follow the stage 8-1 (IC100).
If it is high state, please replace IC601.
1-1-3. Service hint (Any picture / Remark)
< AMP board top view >
IC601
IC601

Table of Contents

Related product manuals