Samsung SGH-F480 Cell Phone User Manual


 
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Flow Chart of Troubleshooting
9-4
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C619
C620
6
21
D
6
0
3
F
7
0
0
F
7
0
1
F
7
0
2
F
7
0
3
F
7
0
4
H
D
C
7
0
0
L
6
0
4
R
4
3
1
R626
6
27
R
6
2
9
R
7
0
2
R
7
1
1
S
C
1
1
1
S
C
1
1
2
T
A
7
0
1
T
P
4
0
0
T
P
4
0
1
U
6
Z
D
7
0
3
C
2
1
5
C
2
1
6
C
5
2
4
C
5
2
6
C
5
3
1
C532
C
5
3
4
C536
C537
C541
C
5
4
3
C
6
2
2
C
6
2
3
C
7
2
0
L
7
2
0
R
4
2
9
R430
R
5
2
3
R525
R528
R
5
3
1
R
7
0
3
T
A
6
0
0
TA601
U
4
0
2
U602
U
6
1
2
LCD backlight does not
work
YES
Change PBA
F700 pin #8 is 'High'?
NO
YES
Repalce the LCD module
END
YES
C702 is 'High'?
NO
YES
C702 is 'High'?
Check U400, U602