Flow Chart of Troubleshooting
3-23
3-2-3. PCS Receiver
CONTINUOS RX ON
RF INPUT : 698CH
Cell power : -50dBm
CHECK
C101 contact
NO
NORMAL CONDITION
catch the channel?
YES
F101 CHECK
pin6
≥
-65dBm?
RFS101
resolder or change
NO
YES
F101 CHECK
pin8,9
≥
-65dBm?
F101
resolder or change
NO
YES
UCD101 CHECK
pin10,11
≥
-
65dBm?
NO
C123,L111,L112
resolder or change
YES
Check the Battery
contact
check the power
source of
NO
YES
Check OSC101
UCD101 CHECK
pin19,21
:13MHz
NO
YES
END
PCS Receiver is ok?
PCS RX path component
resolder or change
NO
①
②
③
⑥
⑤
④
Summary of Contents for SGH-U100
Page 15: ...Flow Chart of Troubleshooting 3 2 ...
Page 37: ...Flow Chart of Troubleshooting 3 24 ...
Page 42: ...Flow Chart of Troubleshooting 3 29 ...
Page 44: ...Flow Chart of Troubleshooting 3 31 ...
Page 54: ...6 PCB Diagrams 6 1 ...
Page 55: ...PCB Diagrams 6 2 ...