Flow Chart of Troubleshooting and Circuit Diagrams
10-29
10-2-5. DCS/PCS TX
CONTINUOUS TX ON CONDITION
CH : 698CH(DCS),660CH(PCS)
TX POWER LEVEL: 0
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
RFS100,L101,C105,L104,
C113,L105
check & change
UCD100 pin 7 :
3.7V?
UCD100 pin 12:
about
2~5dBm?
UCD100
pin 6 : 2.8V?
UCD200
check & change
UCD100 pin 1 :
0~6 dBm?
BATTERY, BATTERY CONNECTOR
check & change
UCD 200
check & change
UCD100
change&resolder
OSC 100
check & change
UCD100
change or resolder
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
UCD 200
check & change
NO
UCD 300
check & change
YES
U100 pin 18 :
3~8dBm?
UCD 300
check & change
C108
check & resolder
UCD 300
check & change
UCD 200
check & change
U100 pin 4,5,6,7:
1~2V
U100 pin 32,33:
2.9V?
U100 pin 12,16:
2.9V?
NO
NO
NO
OSC100 pin3 :
26MHz
Vp-p : 0.5~1.5V?
UCD100 pin 4 :
'HIGH'
UCD100 pin 9:
'HIGH'
UCD100 pin 8:
about 0.5~1.0V?
①
Summary of Contents for SGH-J610
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