LG KS660 - Page 106

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