LG SPH5B-W Service Manual

3-4
ONE POINT REPAIR GUIDE
POWER ON ERROR
No display or Not working.
2-3. IC606
1) Check 3.3 VA at L602.
2) If 3.3 VA is not output, check 12 VA at pin3, 5 of IC606.
3) 1), 2) is OK.  Replace IC606.
2-4. IC607
1) Check 1.2 VA at L601
2) If 1.2 VA is not outputted, check 5.1 VA at pin3, 5 of IC607.
3) 1), 2) is OK.  Replace IC607.
< MAIN board top view >
< MAIN board top view >
L601
L601
L602
L602
IC607
IC607
IC606
IC606

LG SPH5B-W Specifications

General

Brand	LG
Model	SPH5B-W
Category	Speaker System
Language	English