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Flow Chart of Troubleshooting
3-29
3-2-6. PCS Transmitter
U 100
pin 6 : 2.8V
CONTINUS TX ON
CONDITION
MS TX level 12
CH : 698
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
UCD200
check &
change
2
NO
NO
YES
U100 pin11 :
0~6 dBm?
YES
RFS100, L103, L105,
C104, L108, R111
check & change
YES
1
NO
12
U100 pin 7 : 3.7V
NO
BATTERY, BATTERY CONNECTOR
check & change
3
YES
U100 pin4, :
'HIGH' pin 5: 'LOW'
NO
10
UCD 200
check & change
YES
UCD 200
check & change
U100
pin9: 'HIGH'
NO
YES
U100
pin 8 :
about 0.5~1.0V ?
NO
YES
U100
change&resolder
7
UCD 100
pin15 :
3~8
dBm?
UCD 100
pin11, pin 13 :
2.9v ?
UCP 300
change or
resolder
UCD 100
pin4,5,6,7
: 1~2V
C103
check & resolder
OSC 100
pin 3 : 26MHz
Vp-p : 0.5~1.5V
OSC 100
change or resolder
UCD100
change or resolder
NO
NO
YES
YES
NO
YES
UCP 300
check & change
9
13
11
U100 pin12 :
about
-5~2dBm?
UCP 300
check & change
UCD 100
pin9 : 2.9v ?
4
5
6
YES
8
NO
YES
UCD 200
check & change
NO
Summary of Contents for SGH-J600
Page 6: ...Flow Chart of Troubleshooting 3 4 ...
Page 9: ...Flow Chart of Troubleshooting 3 7 ...
Page 14: ...Flow Chart of Troubleshooting 3 12 ...
Page 19: ...Flow Chart of Troubleshooting 3 17 ...
Page 22: ...Flow Chart of Troubleshooting 3 20 ...
Page 24: ...Flow Chart of Troubleshooting 3 22 ...
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