LG LAS950M - Page 30

2-11
ONE POINT REPAIR GUIDE
NO SOUND
3-5. IC705 (DAC IC)
3-5-1. Solution
Replace IC7001, IC7003, IC7005, IC7007 (DAC IC).
3-5-2. How to troubleshoot (Countermeasure)
1) Check IC7001, IC7003, IC7005, IC7007 pin soldering.
2) If there is short soldering on pin, re-soldering.
3) Check DAC_3.3V at L7000, L7002, L7004, L7006, L7010, L7012, L7015, L7017.
4) If soldering is ok, replace IC7001, IC7003, IC7005, IC7007.
3-5-3. Service hint (Any picture / Remark)
< MAIN board bottom view >
IC7003
IC7003
IC7005
IC7005
IC7007
IC7007
IC7001
IC7001
IC802
IC802