![background image](http://html.mh-extra.com/html/samsung/gt-b7320l/gt-b7320l_servise-manual_1192159054.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-39
This Document can not be used without Samsung's authorization
9-2-2. GSM 850 Transmitter
**Please Check the Main Antenna ,rear, front case, and screws, and then follow the chain below.
If you check the tx chain, Check the not only RF Device but also resistor, inductor and capacitor.
No
Replace PAM100
Replace RFS102
Check The U100
Check C100 >= 33dBm?
No
No
Yes
Yes
Yes
Yes
Check C127 >= 14dBm?
Check C168 >= 34.5dBm?
The End
Tx ON (Level :5)
Battery voltage:3.8V
Summary of Contents for GT-B7320L
Page 104: ...www s manuals com ...