Samsung GT-S5830 - Gsm850 Rx

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Level
3
Repair
8-32
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8-4-1.
GSM
850
RX
**
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Resolder U103 or Change
Check Antenna contact
The End
Yes
Yes
Check L106
=-55
dBm
?
No
Replace PAM100
Yes
Normal condition
Catch the channel?
No
Yes
Continuous Rx ON
RF Input
: 190
CH
Amplitude
:-50
dBm