Samsung GT-B7330 Service Manual page 99
Gsm telephone
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Also See for GT-B7330:
- User manual (98 pages) ,
- User manual (106 pages) ,
- User manual (31 pages)
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9-2-12. WCDMA 2100 Transmitter
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Battery Voltage: 3.8V
(AGC for 23dBm)
Check C117 = -8 dBm ?
Check C224 = 5 dBm?
Check L212 = 26 dBm?
Check L223 = 24 dBm?
Check C102 = 23 dBm?
Tx ON
Yes
Yes
Yes
Yes
Yes
Yes
The End
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No
Check the U100
No
Replace F202
No
Replace PAM202
No
Replace DUF202
No
Replace RFS101
9-60
Flow Chart of Troubleshooting
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