Samsung GT-C5510 - Page 43

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Flow Chart of Troubleshooting
9-20
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9-2-9.
WCDMA Band1 TX
U100 pin
11:
about
2~3
dBm?
RFS
100,
C114,C115
check&change
U1
00
pin
7 : 2.85
V?
U100
check
&
change
PAM
201
pin
15: 3.7~4.2
V?
NO
NO
YES
YES
NO
BATTERY
,
UC
P300
check
&
change
PAM
201
pin
16 : 2.85V ?
YES
NO
PAM
201
pin
1
about
:-5
dBm
?
YES
YES
PAM
201
change or resolder
NO
U
CP300
check
Check UCP300
NO
F203 pin
1
about
:-5
dBm?
U
CP300
change resolder
NO