Sony KV-XV253M50 Service Manual ▷ View online
– 54 –
KV-XV253M50
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORM
4-4. VOLTAGE MEASUREMENT AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No
Voltage[v]
IC001
1
0
2
0
3
*
4
3.2
5
3.2
6
0
7
3.2
8
0
9
3.3
10
1.2
11
1.1
12
0
13
0.1
14
2.4
15
4.8
16
1.8
17
2.2
18
0
19
2.2
20
2.2
21
2.9
1.360Vp-p
PAL
9
1.320Vp-p
NTSC
9
22
1.2
1.320Vp-p
8
23
1.2
1.560Vp-p
PAL
7
1.600Vp-p
NTSC
7
24
1.8
25
1.8
26
2.2
27
1.8
28
0
29
0.1
30
0.1
31
(2.1)[2.3]
32
1.2
33
1.0
34
2.1
35
2.1
36
3.4
37
3.4
38
2.2
39
2.4
40
0
41
1.8
42
0.2
43
3.2
44
(3.8)[3.6]
45
8.5
46
4.6
47
4.7
48
1.3
2.200Vp-p
PAL
6
2.080Vp-p
NTSC
6
49
2.1
50
2.1
51
1.3
52
1.5
53
2.1
54
2.1
55
1.4
56
2.1
57
2.1
58
1.3
59
1.4
60
3.4
61
3.4
62
3.4
63
3.4
64
0.3
65
1.9
66
0.3
5.440Vp-p
PAL
5
5.520Vp-p
NTSC
5
67
2.0
5.200Vp-p
4
68
0
69
4.8
70
1.2
71
1.2
72
1.2
73
1.9
74
1.6
75
0.1
76
0
77
0.1
78
1.1
79
1.2
80
1.1
81
0
82
4.8
83
2.0
84
3.1
85
1.6
2.00Vp-p
PAL
3
2.880Vp-p
NTSC
3
86
1.6
2.00Vp-p
PAL
2
1.840Vp-p
NTSC
2
87
1.7
2.000Vp-p
PAL
1
2.440Vp-p
NTSC
1
88
3.2
89
0
90
3.2
91
1.6
92
0
93
1.8
94
0
95
0
96
1.8
97
2.8
98
3.1
99
3.3
100
1.7
101
0
102
1.0
103
0
104
2.4
105
0
106
2.8
107
2.5
108
3.7
109
3.4
110
3.2
111
4.8
112
0.8
113
0
– 55 –
KV-XV253M50
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
114
0
115
0.5
116
0.9
117
1.7
118
1.7
119
3.2
120
0.6
121
0
122
0
123
3.2
124
1.7
125
0
126
3.2
127
0.7
128
3.2
IC003
1
0
2
0
3
0
4
0
5
3.4
6
3.7
7
3.2
8
3.2
IC200
1
0
2
0
3
22.7
4
0
5
0
6
0
7
11.2
8
0
9
0
10
24.3
11
7.8
12
11.3
IC502
1
0.1
2
5.7
3
4.5
4
0
5
4.1
6
3.9
7
7.4
8
9.0
IC503
1
0.5
760.0mVp-p
PAL
10
720.0mVp-p
NTSC
10
2
13.3
3
-12.6
29.60Vp-p
PAL
11
28.80Vp-p
NTSC
11
4
-14.8
5
(0.4)[0.2]
6
13.3
7
0.5
760.0mVp-p
PAL
12
700.0mVp-p
NTSC
12
IC601
1
151.9
2
-
3
-0.1
4
10.1
5
0.1
6
0.4
7
0.3
IC602
I
10.9
G
0
O
9.0
V
2.1
IC603
I
5.6
G
0
O
1.8
V
2.3
IC604
I
9.0
G
0
O
4.9
IC605
I
133.4
G
0
O
20.2
IC606
I
23.8
G
0
O
3.3
IC607
I
5.6
G
0
O
1.8
Q001
B
0
C
2.1
E
0
Q010
B
1.9
C
0
E
2.6
Q016
B
2.8
C
0
E
0
Q018
B
2.4
C
0
E
0
Q100
B
2.1
C
8.9
E
1.5
Q102
B
3.1
C
2.4
E
8.5
Q103
B
(0)[3.2]
C
(3.2)[0]
E
0
Q104
B
(3.2)[0]
C
(0)[5.0]
E
0
Q200
B
2.0
C
0
E
0
Q201
B
23.5
C
24.3
E
24.3
Q202
B
5.6
C
0.9
E
5.4
Q206
B
2.5
C
0.1
E
0
Q501
B
(199.1)[198.3]
C
(199.1)[198.8]
E
198.8
Q502
B
0.4
C
0.1
E
0
Q503
B
0.1
C
5.7
E
0
Q505
S
0
G
7.4
D
(21.2)[22.5]
Q506
S
0
G
2.9
4.00Vp-p
PAL
13
3.920Vp-p
NTSC
13
D
71.3
Q511
B
0.1
24.40Vp-p
PAL
14
25.60Vp-p
NTSC
14
C
137.6
E
0
Q512
B
0
C
4.9
E
0.1
Q513
B
1.2
C
0
E
1.8
Q515
B
1.5
C
2.0
E
1.0
Q516
B
133.5
C
(8.1)[11.0]
E
134.0
Q601
B
0.1
C
10.9
E
0
Q608
B
0
C
20.6
E
0
Q609
B
0.6
C
0
E
0
Q900
B
1.3
C
0
E
1.9
– 56 –
KV-XV253M50
RM-GA002
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
H-
*
196.0Vp-p
PAL
16
210.0Vp-p
NTSC
16
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q901
B
0.1
C
0.1
E
0
Q902
B
0
C
0.1
E
0
PH600
1
23.3
2
22.3
3
4.5
4
10.1
DY1
H+
*
206.0Vp-p
PAL
15
180.0Vp-p
NTSC
15
V-
*
2.200Vp-p
PAL
17
2.240Vp-p
NTSC
17
V+
*
51.20Vp-p
18
H3 BOARD VOLTAGE LIST
Ref
Pin No.
Voltage[v]
IC3901
VCC
3.2
GND
0
OUT
2.9
Q3900
B
0
C
3.2
E
0
Q3902
B
3.2
C
3
E
1.8
– 57 –
KV-XV253M50
RM-GA002
CV BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
IC751
1
1.9
1.920Vp-p
PAL
1
1.840Vp-p
NTSC
1
2
1.9
1.640Vp-p
PAL
2
1.440Vp-p
NTSC
2
3
1.8
1.760Vp-p
PAL
3
2.240Vp-p
NTSC
3
4
0
5
4.5
Ref
Pin No.
Voltage[v]
6
198.8
7
(137.2)[136.5]
114.0Vp-p
PAL
4
144.0Vp-p
NTSC
4
8
(133.4)[133.1]
118.0Vp-p
PAL
5
102.0Vp-p
NTSC
5
9
(129.9)[128.5]
120.0Vp-p
PAL
6
132.0Vp-p
NTSC
6
IC1801
1
0.1
2
0.1
3
-14.7
4
0
5
13.3
J751
H1
0
H2
0
KB
(131.7)[129.8]
KG
(134.8)[134.4]
KR
138.0
Q712
B
2.3
C
5.3
E
1.7
Q713
B
133.4
C
(67.2)[66.4]
E
134.0
Q715
B
0.6
C
(67.2)[66.4]
E
0.1
Q717
B
5.6
C
8.9
E
5.3
Q718
B
5.3
C
0
E
5.2
Q719
B
2.3
C
9.0
E
1.7
Q1800
B
2.5
C
0
E
3.1
Q1802
B
0.3
C
0.8
E
0
Q1804
B
1.4
C
3.9
E
0.9
Ref
Pin No.
Voltage[v]
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