LG KE970 Service Manual page 97
Lg cell phone service manual
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Also See for KE970:
- User manual (289 pages) ,
- Instructions (3 pages) ,
- User manual (220 pages)
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5. Trouble shooting
Checking Flow
Check Pin 1, 2 of SW401
Check Pin 20, 21, 22 of
Mobile SW & FEM is OK.
See next page to check I/Q
with RF Cable
Signal is OK ?
Yes
FL308?
Yes
Control Signal is
OK?
Yes
Pin 16, 17 or 14,
15
Yes
Signals.
No
Replace Mobile SW
(SW401)
No
Check PMB8876 (U102)
No
Replace FEM (FL308)
EGSM RX
- 98 -
ANT SW
ANT SW2
ANT SW
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Table of Contents
Troubleshooting
