Samsung Wave GT-S8500, Service Manual, Page: 48 / 68

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Level 3 Repair
8-19
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8-3-10. LCD
'LCD is still off' after PWR-ON
CHECK THE SOLDER OF
EMI FILTER F400 ~ F405
CHECK VCC_3.2V(#
42),VLCD_1.8V(#16),VBAT(#
13)
CHECK THE LCD MODULE
Check PMIC200(U602)
Yes
Yes
Yes
Yes
Yes
Check the CONNECTION
OF HDC400
NO
Reconnect the HDC400
NO
NO
RESOLDER EMI FILTER
END
A P_NAN D CS
B H 20 2
C
40
9
C
4
1
0
C
41
1
C
43
8
F40 0
F40 1
F40 2
F40 3
F40 4
F40 5
H D C40 0
PD A _A C T IV E
R
43
0
R
4
32
R
43
3
R51 7 R51 8
R ES ET_OU T
TP 60 0
TP 60 1
U
40
0
V40 2 V40 3 V40 4
V40 8 V40 9
C21 1
C21 2
C
21
6
C21 7
C22 1
C
23
0
C
23
1
C
23
3
C
23
4
C
23
5
C
23
8
C
23
9
C40 4
C43 9
C44 0
C60 1
C60 3
C61 3
C61 4 C61 5
C61 6
C
61
7
C
61
8
C
61
9
C
62
0
C62 1
C62 2
C62 3
C62 4
C62 5
C62 6
C62 7
C62 8
C62 9
C63 0
C63 1
C63 2
C
63
3
C
63
4
C
63
5
C
63
6
C63 7
C63 8
C65 3
C65 4
D 60 0
L 60 0
L 60 1
L 60 2
L 60 3
O S C60 0
Q 40 0
R11 6
R11 7
R11 8
R11 9
R12 0
R
21
2
R22 3
R
22
5
R
22
6
R
22
7
R23 2 R23 3
R
40
9
R
41
1
R
51
5
R
51
6
R60 4
R
60
5
R61 0
R
61
2
S C10 1
T A60 0
T A60 1
T
A
60
2
T A60 3
T A60 4
T A60 5
T A60 6
U 40 8
U 60 1
U 60 2
W L_R S T
W L _U A RT_R X D
W L _U A RT_T X D