Trouble Shooting Transmitter Part - LG F1200 Service Manual
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Also See for F1200:
- User manual (288 pages) ,
- Circuit diagrams (7 pages) ,
- User manual (103 pages)
Table of Contents
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4.3 Trouble Shooting Transmitter Part
Checking Flow
Setup Test Equipment
GSM900 62CH, 5-Level
DCS1800 700CH, 0-Level
PCS1900 660CH, 0-Level
1. Check
RF LDO Circuit
2. Check
DCXO Circuit
3. Check
Control Signals
4. Check
Tx I&Q Signals
5. Check
PAM Circuit
6. Check
FEM & Mobile S/W
Re-download
the phone S/W
Checking Points
5
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4. TROUBLE SHOOTING
1
2
6
4
3
4
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Table of Contents
Troubleshooting
