Samsung GT-B7330 Service Manual page 94
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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Flow Chart of Troubleshooting
9-2-10. WCDMA900 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 C119= -8 dBm ?
Check C204 = 5 dBm?
Check C246 = 26 dBm?
Check L222 = 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 F200
No
Replace PAM200
No
Replace DUF200
No
Replace RFS101
9-55
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