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SGH-E620 Flow Chart of Troubleshooting
2-
23
2-11. PCS Receiver
Normal condition
catch the
channel ?
Check F700
pin 13
≥
-65 dbm ?
Check U700
pin 16,17
≥
-65dBm ?
Yes
No
No
Check F700
pin 5, 6
≥
-65 dbm ?
Yes
No
Yes
Check ANT,
C716
Resolder or change
C716
,
R706
Resolder or change
F700
Resolder or change
C733
,
C735
,
L704
CONTINOUS RX ON
RF INPUT : 660CH
AMP : -50dbm
Check U700
pin 32 = 2.8V
Yes
Resolder or change
U100
Yes
No
No
Resolder or change
U200
1
2
3
4
5
Summary of Contents for SGH-E620
Page 7: ...SGH E620 Flow Chart of Troubleshooting 2 4 1 2 2 2 3 4 4 5 ...
Page 16: ...SGH E620 Flow Chart of Troubleshooting 2 13 1 1 1 ...
Page 23: ...SGH E620 Flow Chart of Troubleshooting 2 20 1 2 3 4 5 ...
Page 25: ...SGH E620 Flow Chart of Troubleshooting 2 22 1 2 3 4 5 ...
Page 27: ...SGH E620 Flow Chart of Troubleshooting 2 24 1 2 3 4 5 ...