LG KE800 Service Manual page 73

4. Trouble Shooting
Checking Flow
Check Output Signal
No
Replace
Signals are
PMB6272(U501)
Normal ?
Yes
Transceiver is OK.
See next page to check
PAM Control Circuit.
GSM IN (MODE: GMSK)
GSM IN (MODE: 8PSK)
Figure 22. Transceiver Output (GMSK)
Figure 23. Transceiver Output (8PSK)
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