LG S33A1-D Service Manual

3-2
ONE POINT REPAIR GUIDE
1. RECEIVER BAR ONE POINT REPAIR GUIDE
1-1. NO POWER PROBLEM
No power problem occurs when you power on the unit.
1-1-1. 23.5 VA
1-1-1-1. Solution
Replace F900, BD900, IC920, PC900, IC950.
1-1-1-2. How to troubleshoot (Countermeasure)
Case 1) No Standby LED: Check F900, BD900, IC920 and around components Ö Replace these.
Case 2) 23.5 VA abnormal: Check PC900, IC950 Ö Replace these.
1-1-1-3. Service hint (Any picture / Remark)
< SMPS board top view >
BD900
F900
IC920
PC900
IC950
BD900
F900
IC920
PC900
IC950

LG S33A1-D Specifications

General

Brand	LG
Model	S33A1-D
Category	Speaker System
Language	English