LG KE820 - Answer mode; Send my number

5. Trouble shooting
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Figure 24. Transceiver Output (GMSK) Figure 25. Transceiver Output (8PSK)
LBAND_PAM_IN (MODE: GMSK) LBAND_PAM_IN (MODE: 8PSK)
Checking Flow
Check Output Signal
Signals are
Normal ?
Replace
PMB6272(U402)
Yes
No
Transceiver is OK.
See next page to check
PAM Control Circuit.