LG KM710 Service Manual page 81
Service manual
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Also See for KM710:
- User manual (98 pages) ,
- User manual (130 pages) ,
- User manual (186 pages)
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4. Trouble Shooting
Check the SPK_EN( R606)
Is SPK_EN a High?
YES
Play the Ring tone.
Check the output(C621-C621) of U602
The signal is a Analog
U602 is broken.
Replace the U602.
<Fig.26> INPUT(C614) of U602
LGE Internal Use Only
1
YES
NO
U103(DBB) is broken.
Change the board.
NO
2
<Fig.27> OUTPUT(C619)of U602
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Table of Contents
Troubleshooting
