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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
Check TP1
If GSM over 31 dBm ?
If DCS/PCS over 28 dBm ?
Check soldering and
components
Start
Check TCXO Block
Refer to 1.3
Check TP2, 3
If GSM(TP2) under 6 dBm ?
If DCS/PCS(TP3) under 6 dBm ?
Change the board
GSM/DCS/PCS
Tx is OK
Check other part
Refer to 1.4
No
Yes
No
Yes
Check RTR & PAD
No Problem
Still exist Problem
No
EDGE PAM(TQM7M5012)
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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