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Flow Chart of Troubleshooting
9-69
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9-2-14. WCDMA2100 Transmitter
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Yes
Tx ON
Battery Voltage: 3.8V
(AGC for 23dBm)
Check the U100
No
Yes
Yes
Check C221 = 8 dBm ?
Replace DUF202
Replace F202
No
No
Check C100 = 23 dBm ?
Check L210 = 24 dBm ?
No
Check L214 = 26 dBm?
Replace PAM202
Replace RFS102
Check the RFS201
No
No
Yes
Yes
Yes
Check C226 = 7.5 dBm ?
Check C233 = 5 dBm?
The End
Summary of Contents for GT-B7320L
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