Wcdma 2100 Receiver - Samsung SGH-I600 Service Manual

Flow Chart of Troubleshooting

9-15. WCDMA 2100 Receiver

R F Input : C enter C H Freq
C heck & R esoldering U 802
(W C D M A R eceiver-R FR 6250 )
RX O N
Am plitude : -50dBm
Yes
L800>=-60dBm
Yes
L805>=-65dBm
Yes
C 831>=-60dBm
Yes
C 828>=-60dBm
Yes
Yes
EN D
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N o
C heck & R esoldering U 701
N o
C heck & R esoldering F801
N o
C heck & R esoldering U 802
N o
C heck & R esoldering F802
(W CD M A R x SAW Filter)
9-46
(ASM )
(D uplexer)
(LN A )