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Flow Chart of Troubleshooting
9-50
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9-2-8. PCS1900 Transmitter
**If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Tx ON (Level :0)
Battery voltage:3.8V
No
Replace PAM100
Replace RFS101
Check The U100
Check C102 >= 30dBm?
No
No
Yes
Yes
Yes
Yes
Check C120 = 12dBm?
Check L102 >= 31.5dBm?
The End