Sony KV-SR252M89K Service Manual ▷ View online
– 53 –
KV-SR252M63K/M89K/N63K
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
0.4
3
3.2
4
0
5
1.7
6
3.2
7
0
8
0
9
2.9
10
3.2
11
1.7
12
1.7
13
0.1
14
1.2
15
0
16
0.1
17
(0.2)[0.3]
18
3.2
19
3.2
20
3.7
21
3.8
22
0.3
23
1.9
24
0
25
1.9
26
0
27
3.2
28
0
29
1.7
30
3.2
31
2.8
32
2.8
33
1.8
34
0
35
3.2
36
1.8
37
0.1
38
1.6
39
3.2
40
0.1
41
3.2
42
1.5
2.160Vp-p
PAL
1
2.480Vp-p
NTSC
1
43
1.4
2.280Vp-p
PAL
2
2.120Vp-p
NTSC
2
44
1.4
2.120Vp-p
PAL
3
2.920Vp-p
NTSC
3
45
3.1
46
(2.2)[2.1]
47
4.9
48
0
49
1.2
50
1.2
51
1.2
52
4.9
53
0
54
0
55
1.5
56
1.7
57
1.2
58
1.1
59
1.2
60
4.9
61
0
62
2.0
5.040Vp-p
4
63
0.3
5.440Vp-p
5
64
1.9
1.260Vp-p
PAL
6
1.640Vp-p
NTSC
6
65
1.3
66
3.4
67
3.4
68
3.5
69
3.5
70
1.5
71
1.3
72
2.1
73
2.1
74
1.3
75
2.1
76
2.1
77
1.5
78
1.7
79
2.1
80
2.1
81
1.4
2.400Vp-p
PAL
7
2.320Vp-p
NTSC
7
82
4.8
83
1.8
84
8.3
85
(0.6)[0.7]
86
0.7
87
1.7
88
1.9
89
0
90
2.4
91
2.1
92
3.4
93
3.4
94
2.1
95
2.1
96
2.1
97
1.5
98
4.6
99
(1.8)[0.2]
100
(1.8)[0.2]
101
0
102
2.3
103
2.3
104
1.8
105
1.8
106
1.2
1.720Vp-p
PAL
8
1.680Vp-p
NTSC
8
107
1.2
1.560Vp-p
9
– 54 –
KV-SR252M63K/M89K/N63K
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
108
2.5
840.0mVp-p
PAL
10
980.0mVp-p
NTSC
10
109
2.2
110
2.2
111
0
112
2.2
113
1.8
114
4.9
115
2.4
116
0.1
117
0
118
*
119
*
120
3.2
121
0
122
3.2
123
0
124
3.2
125
3.2
126
1.7
127
0
128
0
IC003
1
0
2
0
3
0
4
0
5
3.9
6
(4.1)[4.3]
7
0
8
3.2
IC502
1
1.1
2
(2.5)[2.4]
3
1.6
4
0
5
3.1
6
2.5
7
6.4
8
8.9
IC503
1
0.4
1.000Vp-p
PAL
11
1.120Vp-p
NTSC
11
2
13.0
3
-12.4
28.80Vp-p
PAL
12
28.00Vp-p
NTSC
12
4
-13.3
5
0.2
6
(12.9)[13.1]
7
0.4
1.080Vp-p
PAL
13
960.0mVp-p
NTSC
13
IC602
1
2.3
2
1.6
3
2.0
4
2.3
5
0
6
0
7
4.4
8
18.6
9
0.1
10
10.3
11
0
12
4.8
13
0
14
*
15
*
16
*
17
0
18
*
IC603
1
134.5
2
(0.1)[0.3]
3
3.3
4
2.7
5
2.4
1.080Vp-p
14
6
12.3
7
0
8
0
IC604
I
(14.8)[14.6]
G
0
O
8.9
IC605
1
7.3
2
0
3
3.2
IC606
I
3.9
G
0
O
1.9
V
2.6
IC607
I
6.9
G
0
O
5.0
V
2.2
IC610
1
2.4
2
3.2
3
0
4
1.7
5
0
Q002
B
2.0
C
0
E
2.6
Q009
B
0
C
1.9
E
0
Q012
B
0.1
C
4.9
E
0
Q015
B
1.9
C
0
E
0
Q016
B
0.2
C
0
E
0
Q017
B
0
C
1.7
E
0
Q018
B
1.9
C
0
E
0
Q100
B
4.5
C
8.9
E
3.9
Q102
B
3.0
C
8.8
E
2.2
Q103
B
(0)[3.2]
C
(3.3)[0]
E
0
Q104
B
(3.4)[0]
C
(0)[3.4]
E
0
Q202
B
6.9
C
0
E
6.7
Q203
B
0.6
C
0
E
0
Q300
B
1.3
C
0
E
1.5
Q505
S
0
G
6.6
D
(21.7)[23.5]
Q506
S
0
G
3.0
4.080Vp-p
PAL
15
3.920Vp-p
NTSC
15
D
70.7
– 55 –
KV-SR252M63K/M89K/N63K
RM-GA002
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST
Q609
B
0.6
C
0
E
0
Q612
B
0
C
7.1
E
0
Q613
B
7.0
C
0
E
7.0
Q614
B
0
C
0.2
E
0
Q618
B
2.4
C
0
E
2.6
DY1
H+
138.4
230.0Vp-p
PAL
17
226.0Vp-p
NTSC
17
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q511
B
0
22.40Vp-p
PAL
16
23.60Vp-p
NTSC
16
C
*
E
0
Q512
B
0.1
C
4.7
E
0
Q513
B
1.2
C
0
E
1.8
Q515
B
1.4
C
2.0
E
1.0
Q516
B
134.4
C
0.5
E
134.8
Q600
B
0.1
C
14.4
E
0
H-
134.7
168.0Vp-p
PAL
18
186.0Vp-p
NTSC
18
V-
0
2.160Vp-p
PAL
19
2.000Vp-p
NTSC
19
V+
0.2
54.00Vp-p
20
– 56 –
KV-SR252M63K/M89K/N63K
RM-GA002
C BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
IC751
1
1.8
1.640Vp-p
PAL
1
1.880Vp-p
NTSC
1
2
1.7
1.680Vp-p
PAL
2
1.640Vp-p
NTSC
2
3
1.7
1.600Vp-p
PAL
3
2.160Vp-p
NTSC
3
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
4
0
5
(4.3)[4.5]
6
*
7
(147.5)[145.4]
128.0Vp-p
PAL
4
152.0Vp-p
NTSC
4
8
(145.2)[144.0]
138.0Vp-p
PAL
5
124.0Vp-p
NTSC
5
9
(143.2)[141.1]
130.0Vp-p
PAL
6
136.0Vp-p
NTSC
6
IC1801
1
9.7
2
0
3
3.1
4
0
5
(5.6)[5.9]
6
4.8
7
2.0
8
0
9
12.2
J751
KR
(148.4)[146.5]
KG
(146.2)[144.9]
KB
(144.1)[141.9]
H1
0
H2
0
Q1800
B
(2.7)[3.0]
C
0
E
(3.3)[3.7]
Q1801
B
0
C
(4.5)[4.9]
E
0
Q1802
B
0.2
C
(2.7)[2.9]
E
0
Q1804
B
1.5
C
4.0
E
0.9
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