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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.10.3 Loud speaker path (voice speaker phone, Multimedia play)
Loud speaker path as below:
MSM7201A Line_OP,ON
→
C510, C511
→
U503 (Audio Subsystem)
→
speaker, PAD
Start
The sine wave appear at
C510, C511 ?
Change the Main board
NO
Connect the phone to network
Equipm ent a nd setup call
Setup 1KHz tone out
Set phone with speaker phone mode
or Pl ay the multimedia contents
YES
Check U503
NO
YES
Can you hear th e tone?
Change the speaker
NO
YES
END
The sine wave appear at
pads o f speaker ?
Summary of Contents for CT815
Page 1: ...Date May 2009 Issue 1 0 Service Manual Model CT815 Service Manual CT815 Internal Use Only ...
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