Samsung GT-C3520 - Pcs Rx

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Level
3
Repair
8-28
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8-4-4.
PCS RX
**
If you check the tx chain,
Check the not only RF Device but also resistor, inductor and capacitor.
Change Main PBA
Normal condition
Catch the channel?
RX ON(Call Connected)
RF Input
:661
CH
Amplitude
:-50
dBm
Yes
Check Ant
100,
ant101
L100,L101,C105
No
PAM100 check
RFS100
≥
-50
dBm
Check RFS100,L100,
L101,C105
No
Yes
Check the connection
C146,L103
Put more lead solder
each terminal
No
Yes
F101 check
C133
≥
3.3V ?
Check C133,L114
No
Yes
Check the connection
C114,C118.L105
No
Yes
Check F101,C114,C118.L105