Only For Training And Service Purposes - LG GM750 Service Manual

VCC of TCXO
2.4V ≥ Voltage ≥ 0.4V
19.2 MHz Signal
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Check TP1
VCC ≥ 2.8 V
Yes
Check TP2
Yes
Check TP3
Yes
TCXO is OK
1.TROUBLE SHOOTING
No
Check the PM7540
Check PM6658
No
Check the MSM7200A
Check MSM6280
No
Check soldering and
components
- 95 -
4. TROUBLE SHOOTING
LGE Internal Use Only