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4. TROUBLE SHOOTING
LBAND_PAM_IN (MODE: GMSK) : TP1
EGSM 30CH
Figure 22. Transceiver Output (GMSK)
LGE Internal Use Only
Checking Flow
Check Output Signal
(TP1, TP2)
Signals are
Normal ?
Yes
Transceiver is OK.
See next page to check
PAM Control Circuit.
- 92 -
No
Replace
PMB6272(U601)
LBAND_PAM_IN (MODE: 8PSK) : TP1
EGSM 30CH
Figure 23. Transceiver Output (8PSK)
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Only for training and service purposes
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Troubleshooting
