Sony KV-SR25M53K Service Manual ▷ View online
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
KV-SR25M53K
RM-W109
KV-SR25M53K
RM-W109
4-3-12. VM Board Schematic Diagram
– 55 –
– 56 –
16V
330
C5902
47uH
L5901
330
R5904
160V
33
C5907
500V
4700p
E
C5903
1/2W
FPRD
39
R5903
FPRD
560
R5902
FPRD
1.5
R5908
1SS119-25
D5905
820
R5917
1.5k
R5916
10k
R5915
10k
R5918
16V
100
C5909
47k
R5912
1SS119-25
D5903
2W
RS
10
R5929
68
R5910
220
R5909
68
R5914
16V
100
C5914
2SA1606-E
Q5902
200V
PT
0.047
C5908
68k
R5911
RD39ESB
D5902
RD39ESB
D5904
200V
2.2
C5911
68k
R5920
200V
PT
0.1
C5912
FPRD
1k
R5919
3W
RS
180
R5921
2SC4159-E
Q5906
560
R5922
FPRD
1.5
R5923
10V
470
C5917
FPRD
39
R5925
1
2
3
XX
CN2801
QP+
NC
QP-
2SA1175-HFE
Q5904
R5937
120
JW5902
5.0MM
D5906
XX
D5907
XX
C5915
XX
R5913
XX
C5904
XX
R5936
120
1
2
3
4
5
6
WHT
6P
CN5901
VM
GND
9V
GND
NC
+B
200V
100
C5905
1k
R5907
XX
C5920
500V
220p
B
C5918
2SC2458-YGR
Q5901
2SC2458-YGR
Q5903
2SC2458-YGR
Q5905
2SA1175-HFE
Q5913
2SC2458-YGR
Q5912
2SC2458-YGR
Q5914
MPS
C5901
XX
JW5907
XX
R5900
47
0.1
C5923
MPS
470
R5952
0.047
C5906
PT
1SS119-25
D5901
220
R5949
47k
R5947
1k
R5906
1k
R5905
47k
R5948
XX
L5902
XX
L5903
5.0MM
JW5901
0uH
FB5900
R5951
390
330
R5950
PT
1000p
C5910
PT
1000p
C5913
PT
0.047
C5916
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
11
12
12P
CN5904
QP-
QP-
NC
NC
QP+
QP+
NC
NC
E
E
VM
VM
QP-
NC
NC
QP+
QP+
NC
NC
E
E
VM
VM
1
2
3
2
3
CN5903
XX
CY-
N.C.
CY+
N.C.
CY+
VM
(VELOCITY MODULATION)
TO A BOARD
CN003
TO VM COIL
TO DL BOARD
CN8802
CN8802
B-BX1L12676- .-VM.SR25M53K
9V
VM DRIVER 1
VM DRIVER 2
AMPLIFIER
AMPLIFIER
BUFFER
BUFFER
REGULATOR
AMPLIFIER
BUFFER
AMPLIFIER
(001)
– 57 –
KV-SR25M53K
RM-W109
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)[3.2]
2
0
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
(0.3)[0.2]
14
1.4
15
0
16
0
17
0.7
18
3.2
19
3.2
20
3.7
21
3.5
22
0
23
3.2
24
0
25
1.9
26
0
27
3.2
28
0
29
1.7
30
3.2
31
0.9
32
2.9
33
1.8
34
0
35
3.3
36
1.8
37
0
38
(1.6)[1.7]
39
3.2
40
0
41
3.2
42
1.7
1.880Vp-p
1
43
1.7
1.880Vp-p
PAL
2
1.620Vp-p
NTSC
2
44
1.6
1.960Vp-p
PAL
3
2.380Vp-p
NTSC
3
45
3.2
46
(2.4)[2.5]
47
4.9
48
0
49
1.2
50
1.2
51
1.2
52
4.9
53
0
54
0
55
1.6
56
(1.8)[1.7]
57
1.2
58
1.2
59
1.2
60
4.9
61
0
62
1.4
3.400Vp-p
4
63
0.4
5.040Vp-p
PAL
5
4.960Vp-p
NTSC
5
64
2.0
2.160Vp-p
6
65
1.4
66
3.4
67
3.4
68
3.4
69
3.5
70
1.5
71
1.8
72
2.1
73
2.1
74
1.4
75
2.1
76
2.1
77
1.4
78
1.8
79
2.1
80
2.1
81
1.4
2.210V
7
82
4.7
83
(1.9)[1.8]
84
8.2
85
1.1
86
1.0
87
1.6
88
2.0
89
0
90
2.4
91
2.2
92
3.4
93
3.5
94
2.1
95
2.1
96
2.1
97
1.5
98
4.5
99
1.9
100
1.9
101
0
102
1.9
103
2.3
104
1.9
105
1.9
106
1.3
1.680Vp-p
PAL
8
1.720Vp-p
NTSC
8
107
1.2
1.360Vp-p
9
– 58 –
KV-SR25M53K
RM-W109
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
108
(2.2)[2.0]
840.0mVp-p
PAL
10
820.0mVp-p
NTSC
10
109
2.2
110
2.2
111
0
112
2.3
113
1.9
114
4.9
115
2.5
116
0.1
117
0
118
*
119
*
120
3.1
121
0
122
3.1
123
0
124
3.1
125
3.1
126
1.7
127
0
128
0
IC003
1
0
2
0
3
0
4
0
5
(3.9)[3.7]
6
3.6
7
0
8
3.2
IC502
1
1.1
2
2.4
3
1.6
4
0
5
3.0
6
2.5
7
6.6
8
8.8
IC503
1
0.5
904.0mVp-p
PAL
11
912.0mVp-p
NTSC
11
2
13.2
3
(-13.9)[-13.7]
29.20Vp-p
12
4
-14.9
5
(0.4)[0.2]
6
13.4
7
0.5
880.0mVp-p
PAL
13
800.0mVp-p
NTSC
13
IC602
1
2.5
2
1.8
3
2.1
4
2.4
5
0
6
0
7
4.5
8
18.9
9
0
10
10.6
11
0
12
4.9
13
0
14
150.5
15
(140.1)[139.8]
16
(145.0)[144.7]
17
0
18
275.0
IC603
1
134.7
2
0
3
3.4
4
2.7
5
2.4
728.0mVp-p
PAL
14
788.0mVp-p
NTSC
14
6
12.6
7
0
8
0
IC604
I
14.8
G
0
O
8.8
IC605
I
7.2
G
0
O
3.3
IC606
I
4.0
G
0.1
O
1.9
V
2.6
IC607
I
6.9
G
0
O
4.9
V
2.2
IC608
1
277.0
2
276.0
3
0.5
4
13.6
5
13.7
6
13.7
7
15.6
8
2.5
9
1.6
10
1.5
11
0
IC610
1
2.4
2
3.2
3
0
4
1.7
5
0
Q001
B
0
C
2.0
E
0
Q002
B
2.0
C
0
E
1.9
Q012
B
1.9
C
4.9
E
1.5
Q013
B
0.1
C
1.7
E
0
Q015
B
1.9
C
0
E
0
Q016
B
0.6
C
0
E
0
Q017
B
0
C
1.7
E
0
Q100
B
4.5
C
8.8
E
3.9
Q103
B
0
C
3.0
E
0
Q104
B
3.0
C
0
E
0
Q202
B
6.9
C
0
E
6.6
Q203
B
0.6
C
0
E
0
Q300
B
1.4
C
0
E
2.1
Q505
S
0
G
6.6
D
22.7
Q506
B
0
1.520Vp-p
PAL
15
1.600Vp-p
NTSC
15
C
84.6
E
0
– 59 –
KV-SR25M53K
RM-W109
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORMS
Q616
B
14.1
C
14.8
E
14.8
Q617
B
2.5
C
0
E
2.4
Q618
B
2.5
C
0
E
2.6
PH601
1
14.8
2
13.8
3
0
4
1.7
DY1
H+
138.7
96.00Vp-p
PAL
17
95.20Vp-p
NTSC
17
H-
135.1
160.0Vp-p
PAL
18
152.0Vp-p
NTSC
18
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q511
B
-0.1
13.84Vp-p
16
C
139.4
E
0
Q512
B
0
C
4.9
E
0
Q513
B
1.3
C
0
E
1.9
Q515
B
1.6
C
2.0
E
1.0
Q516
B
135.0
C
1.7
E
135.1
Q600
B
0.1
C
14.8
E
0
Q607
S
(139.6)[140.0]
G
(144.5)[144.9]
D
271.0
Q608
S
0
G
4.9
O
(139.3)[139.5]
Q609
B
0.7
C
0
E
0
Q612
B
0
C
7.2
E
0
Q613
B
7.2
C
0
E
7.2
Q614
B
0
C
0.7
E
0
V-
0
2.040Vp-p
PAL
19
1.960Vp-p
NTSC
19
V+
(0.4)[0.3]
51.20Vp-p
PAL
20
53.60Vp-p
NTSC
18
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