Samsung GT-C5510 - Page 39

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Flow Chart of Troubleshooting
9-16
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U1
00
CHECK
pin
2
≥
-65
dBm
?
9-2-6.
WCDMA Band8 RX
U100 CHECK
pin
7 : 2.9V ?
U1
00
CHECK
pin
22
≥
-65
dBm
?
U1
00,
RFS
100
resolder or change
U1
00
resolder or change
U100, UCP300
change or resolder
U202, UCP300
resolder or change
U100
pin22 Vp-p
: 120
mV
?
NO
YES
NO
NO
NO
NO
YES
YES
WCDMA Receiver is O.K?
NO
WCDMA RX path component
resolder or change
YES
END
YES
NORMAL CONDITION
catch the channel?
CHECK soldered
ANT contact, C114, C115