LG KE600 - Cell Phone Service Manual page 112
Service manual
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Also See for KE600 - Cell Phone:
- Brochure (8 pages) ,
- User manual (87 pages) ,
- User manual (177 pages)
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5. Trouble shooting
Checking Flow
Check U602 Output
Signal
No
Replace
Signals(
LBAND_PAM_IN,
PMB6272(U602)
)
are normal ?
HBAND_PAM_IN
Yes
Transceiver is OK.
See next page to check
PAM Control Circuit.
LBAND_PAM_IN (MODE: GMSK)
LBAND_PAM_IN (MODE: 8PSK)
Figure 24. Transceiver Output (GMSK)
Figure 25. Transceiver Output (8PSK)
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Troubleshooting
