Trouble Shooting - LG 22LG30R Service Manual
Hide thumbs
Also See for 22LG30R:
- Brochure (16 pages) ,
- Owner's manual (170 pages) ,
- Owner's manual (74 pages)
Table of Contents
Advertisement
1. No Power (LED indicator off) : [A] Process
Check 15V or
ST_5V of Power B/D.
Pass
Check Output of
IC1000, IC1006.
Pass
Check Output of
IC1002.
Pass
Check Output of
IC1003.
Pass
Check LED Assy.
Pass
Check P307 Connector.
TROUBLE SHOOTING
Fail
Check short of Main B/D
or Change Power B/D.
Fail
Check short of
IC100, Q307.
Change IC1000, IC1006.
Fail
Check short of
Q307, TU600, IC500.
Change IC1102, IC1103.
Fail
Check short of
IC100, IC400.
Change IC1003.
Fail
Change LED Assy.
- 13 -
Fail
Re-soldering or Change
defect part of IC100, Q307.
Pass
Re-soldering or Change
Fail
defect part of Q307,
TU600, IC500.
Pass
Fail
Re-soldering or Change
defect part of IC100, IC400.
Pass
Hide quick links:
Advertisement
Table of Contents
