Sound (Portable Function) - LG LAS350B Service Manual
2.1 ch sound bar
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Also See for LAS350B:
- Owner's manual (29 pages) ,
- Simple manual (4 pages) ,
- Manual (4 pages)
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3. NO SOUND (PORTABLE FUNCTION)
3-1. Solution
Replace IC400 or portable jack (JK504).
3-2. How to troubleshoot (Countermeasure)
1) Please check the soldering status of JK504
2) Please check L501, L502 (PORT_L, PORT_R signal) of portable jack (JK504).
If you cannot find input signal, replace JK504.
3) If you can find input signal, check pin13, 14 of IC400.
4) If you can't find signal at pin13, 14 of IC400, replace IC400.
3-3. Service hint (Any picture / Remark)
L501
L501
ONE POINT REPAIR GUIDE
JK504
JK504
L502
L502
< USB board bottom view >
< MAIN board top view >
IC400
IC400
3-4
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