Level 3 Repair
8-3-2-7. PCS Receiver
RX ON(Call Connected)
TCH Channel : 661 Ch
BCH PWR = -50dBm
RFS101 Pin 2
>= -60dBm
Yes
RFS101
Pin 18,19
>= -70dBm
Yes
U100
Pin 44,45
>= -75dBm
Yes
Check U100 & UCP300
(crack,open,etc)
END
No
Resolder RFS100,L103,C100,L149
No
No
Resolder or change L150,151,115
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Check RFS100
pin3 = L ,
pin4 = H,
pin5 = L,
pin6 = L,
Yes
RFS101 Pin7
=2.7V
(C105,107)
Yes
8-40
Check
No
R107,109,110,111
and UCP300
(crack,open,etc)
No
Check PMIC(U401)
circuit(crack,open,etc)
Resolder or change RFS101