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Flow Chart of Troubleshooting
9-4
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C619
C620
621
D
60
3
F70
0
F70
1
F7
02
F70
3
F7
04
H
D
C
70
0
L6
04
R
43
1
R626
627
R
62
9
R
70
2
R
71
1
SC
111
SC
11
2
TA
70
1
TP4
00
TP
40
1
U6
ZD
70
3
C
2
15
C
2
16
C
52
4
C
5
26
C
5
31
C532
C
53
4
C536
C537
C541
C
54
3
C
62
2
C
62
3
C
72
0
L7
20
R
42
9
R430
R
52
3
R525
R528
R
53
1
R
70
3
TA
60
0
TA601
U
40
2
U602
U
61
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
Summary of Contents for SGH-F480
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