LG SPH5B-W Service Manual

3-3
ONE POINT REPAIR GUIDE
2. POWER ON ERROR
No display or Not working.
2-1. IC608
1) Check 12 VA at L604.
2) If 12 VA is not output, check 25 VA at pin2 of IC608.
3) 1), 2) is OK.  Replace IC608.
2-2. IC605
1) Check 5.1 VA at L603.
2) If 5.1 VA is not output, check 12 VA at pin3, 5 of IC605.
3) 1), 2) is OK.  Replace IC605.
< MAIN board top view >
< MAIN board top view >
L603
L603
L604
L604
IC605
IC605
IC608
IC608

LG SPH5B-W Specifications

General

Brand	LG
Model	SPH5B-W
Category	Speaker System
Language	English