LG S33A1-D Service Manual

3-3
RECEIVER BAR ONE POINT REPAIR GUIDE
1-2. POWER ON ERROR
No display or Not working.
1-2-1. DC-DC Converter
1-2-1-1. Solution
Replace IC802 on MAIN board.
1-2-1-2. How to troubleshoot (Countermeasure)
1) Please check T801 voltage(12 V).
Please check CA807(Vkk), CA805(FL+), CA806(FL-).
2) If you cannot get 12 V, IC802 has problem.
If 12 V is OK and VKK, Fl+, FL- is not working, T801 is out of order.
1-2-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
< MAIN board bottom view >
T801
IC802

LG S33A1-D Specifications

General

Brand	LG
Model	S33A1-D
Category	Speaker System
Language	English