LG KP500 - Page 103

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5. Trouble shooting
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Only for training and service purposes
Signals are
Norm al ?
Replace
PMB6272(U601)
Yes
No
Transceiver is OK.
See next page to check
PAM Con tr ol Circ uit.
Check Output Signal
(TP1, TP2)
Figure 22. Transceiver Output (GMSK) Figure 23. Transceiver Output (8PSK)
LBAND_PAM_IN (MODE: GMSK) : TP1 LBAND_PAM_IN (MODE: 8PSK) : TP1
Checking Flow