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LG GT350 - Page 98

LG GT350
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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
LG Electronics 95/115 LGE Property
Signals are
Normal ?
Replace
PMB6272(U601)
Yes
No
T
ransceiver is OK.
See next page to check
PAM Control Circuit.
Figure 23. Transceiver Output (8PSK)
Figure 22. Transceiver Output (GMSK)
LBAND_PAM_IN (MODE: GMSK) : TP1 LBAND_PAM_IN (MODE: 8PSK) : TP1
EGSM 30CH EGSM 30CH
Check Output Signal
(TP1, TP2)
Checking Flow

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