EasyManua.ls Logo

LG LAS751M - Portable Function Doesnt Working

LG LAS751M
91 pages
Print Icon
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...
2-17
ONE POINT REPAIR GUIDE
16. PORTABLE FUNCTION DOESN’T WORKING
16-1. IC200
16-1-1. Solution
Replace IC200 on MAIN board.
16-1-2. How to troubleshoot (Countermeasure)
1) Check VCC_5V of L204. If VCC_5V is abnormal, follow the stage 3-1 (IC301).
2) Check D_3.3V of L207. If D_3.3V is abnormal, follow the stage 6-1 (IC304).
3)
If VCC_5V and D_3.3V are OK, check the PTB_DET is high state when portable cable connected (R128).
If it’s Low, follow the stage 9-1 (IC100).
4) When you followed above step but It doesn’t work, Check the around parts. (Resistor, Capacitor, Bead).
If it still doesn’t work, replace the IC200.
16-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
JK200
JK200
IC200
IC200

Table of Contents

Related product manuals