LG FH6 Service Manual

3-6
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE ON VFD
When you turn on your set, it will blank / no message on VFD, and it will not boot-up.
2-2. IC304 System 3.3 V (No System 3.3 V)
2-2-1. Solution
Replace IC304 on MAIN board.
2-2-2. How to troubleshoot (Countermeasure)
1) Please check 3.3 V of IC304.
2) If 3.3 V is abnormal, please check 4.8 VA of IC304 pin3.
3) If 4.8 VA is OK, but 3.3 V is abnormal at the IC304 pin6 (VOUT) and then replace IC304.
2-2-3. Service hint (Any picture/ Remark)
< MAIN board top view >
IC304
IC304
(TJ4310)
(TJ4310)

LG FH6 Specifications

General

Woofer	Yes
Tweeter	-
Speaker type	2-way
Number of drivers	2
Speaker placement	Floor
Audio output channels	1.0 channels
Woofer diameter (imperial)	8 \
Product color	Black
Volume control	Digital
Recommended usage	Universal
RMS rated power	600 W
Audio formats supported	MP3, SBC, WMA
USB 2.0 ports quantity	1
Connectivity technology	Wired & Wireless
Power source type	AC
Power consumption (standby)	0.5 W

Weight and Dimensions

Depth	403 mm
Width	456 mm
Height	923 mm
Weight	20200 g