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SGH-E630 Flow Chart of Troubleshooting
7-
21
16. PCS Receiver
U205 Pin8
>= -65dBm
Resolder CN201, C202, R1120
No
Yes
RX ON
RF input : CH center freq : 1960 MHz
Amp : -50dBm
Check U205
pin10 = L, pin12 = L
pin9=H
U205 pin3,pin4
>= -65dBm
U100 pin6, 7, 8, 9
>= 1V
Resolder C151, C152, L108
R116, R117, R118,
R119 >= 1V
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
END
Check U1102
Resolder U100
or Check pins related to U100
U100
pin38 >= -70dBm
pin39 >= -70dBm