If Not Booting When You Turn On The Set. And Led Doesn't Turn On - LG NP8340BM0 Service Manual

Wireless multi-room audio
Table of Contents

Advertisement

5. IF NOT BOOTING WHEN YOU TURN ON THE SET. AND LED DOESN'T TURN ON.

5-1. IC804 (NO 3.6 VA)
5-1-1. Solution
Replace IC804 on MAIN board.
5-1-2. How to troubleshoot (Countermeasure)
1) Please check 5.2 VA of IC804 Pin3 (INPUT).
2) If 5.2 VA is abnormal, follow the stage 2-1 at the previous page.
3) If 5.2 VA is OK, but 3.6 VA is abnormal at the IC804 (VOUT Pin4) replace IC804.
4) When you followed above step but It doesn't work, check the around parts (R827, R828, L807).
5-1-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
< Main board top view >
IC804
IC804
3-6

Advertisement

Table of Contents
loading

This manual is also suitable for:

Np8340

Table of Contents