Sony KV-SW292M50 Service Manual ▷ View online
– 46 –
KV
-SW292M50/M61/M80/N60
-SW292M50/M61/M80/N60
RM-GA002
4-3-9.
VM Boar
d Sc
hematic Diagram
A
12345
6
7
B
C
D
E
F
G
H
I
J
16V
330
C5902
47uH
L5901
330
R5904
160V
33
C5907
500V
4700p
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
16V
100
C5914
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
560
R5922
FPRD
1.5
R5923
10V
470
C5917
FPRD
39
R5925
WHT
3P
CN2801
QP+
NC
QP-
2SA1175-HFE
BUFFER
BUFFER
Q5904
R5937
120
JW5902
5
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
AMPLIFIER
AMPLIFIER
Q5901
2SC2458-YGR
Q5903
2SC2458-YGR
Q5905
2SA1175-HFE
Q5913
2SC2458-YGR
Q5912
2SC2458-YGR
Q5914
JW5907
XX
R5900
47
0.1
C5923
470
R5952
0.047
C5906
PT
1SS119-25
D5901
220
R5949
47k
R5947
1k
R5906
1k
R5905
5
JW5901
0uH
FB5900
PT
1000p
C5910
PT
1000p
C5913
PT
0.047
C5916
1
1
2
3
2
3
4
5
6
7
8
9
10
11
12
12P
CN5904
QP-
QP-
NC
NC
QP+
QP+
NC
NC
E
E
VM
VM
1
2
3
WHT
XX
CN5903
CY-
N.C.
CY+
MPS
C5901
XX
XX
L5902
XX
L5903
47k
R5948
82
R5914
330
R5950
1/4W
R5951
390
2SC4159-E
VM OUT
Q5906
2SA1606-E
VM OUT
Q5902
VM
TO A (Block 001) CN003
TO A (Block 001) CN005
TO VM COIL
TO DL BOARD CN8802
TO D3 BOARD CN2802
&
Velocity Modulation
B-BX1L(05)12995-...-VM.-SW292
9V
9V
AMP
INV
AMP
TEMP-CORR.
LEVEL SHIFT
LEVEL SHIFT
VOLTAGE DROP
VOLTAGE DROP
VOLTAGE DROP
VOLTAGE DROP
– 47 –
KV-SW292M50/M61/M80/N60
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
3.2
2
0.6
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
0.2
14
(0.6)[0.4]
15
0
16
0
17
0.8
18
(0.7)[0.5]
19
3.2
20
(4.0)[3.8]
21
3.8
22
0
23
3.2
24
0
25
1.9
26
0
27
3.2
28
0
29
1.7
30
3.2
31
0.6
32
2.9
33
1.8
34
0
35
3.2
36
1.8
37
0
38
1.6
39
3.2
40
0
41
3.2
42
1.8
2.120Vp-p
PAL
1
2.480Vp-p
NTSC
1
43
1.8
2.060Vp-p
PAL
2
1.880Vp-p
NTSC
2
44
1.6
2.040Vp-p
PAL
3
2.800Vp-p
NTSC
3
45
3.1
46
2.3
47
4.9
48
0
49
1.2
50
1.2
51
1.2
52
0.1
53
0
54
0.1
55
1.6
56
1.7
57
1.2
58
1.2
59
1.2
60
4.9
61
0
62
1.5
3.680Vp-p
4
63
0.3
5.520Vp-p
PAL
5
5.360Vp-p
NTSC
5
64
1.9
2.240Vp-p
6
65
0
66
0
67
0
68
3.4
69
3.4
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
1.3
79
2.1
80
2.1
81
1.4
2.210V
7
82
4.7
83
1.9
84
8.1
85
0
86
(3.5)[1.5]
87
0.1
88
1.9
89
0
90
2.4
91
2.0
92
3.4
93
3.4
94
2.1
95
2.1
96
0.6
97
0
98
4.5
99
(0)[0.2]
100
0.2
101
0
102
1.8
103
2.3
104
1.8
105
1.8
106
1.3
1.760Vp-p
8
107
1.2
1.520Vp-p
PAL
9
1.600Vp-p
NTSC
9
– 48 –
KV-SW292M50/M61/M80/N60
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
108
(2.4)[2.2]
840mVp-p
PAL
10
860mVp-p
NTSC
10
109
2.2
110
2.2
111
0
112
2.1
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
4.0
6
3.9
7
0
8
3.3
IC200
1
*
2
0
3
21.2
4
0
5
0
6
*
7
10.6
8
0.1
9
0
10
22.8
11
39.7
12
10.7
IC502
1
1.2
2
2.4
3
1.7
4
0
5
3.2
6
2.5
7
7.1
8
8.8
IC503
1
0.4
920.0mVp-p
PAL
11
940.0mVp-p
NTSC
11
2
*
3
(-13.6)[-13.3]
30.40Vp-p
12
4
-14.8
5
(0.3)[0.2]
6
13.4
7
(0.4)[0.5]
840.0mVp-p
PAL
13
960.0mVp-p
NTSC
13
IC602
1
2.5
2
1.7
3
2.0
4
(2.5)[2.3]
5
0
6
-0.1
7
4.4
8
18.7
9
-0.1
10
104
11
-0.1
12
0.1
13
0
14
(155.3)[156.6]
15
(145.3)[145.9]
16
149.7
17
0
18
*
IC603
1
134.7
2
*
3
2.8
4
2.8
5
2.4
432.0mVp-p
PAL
14
452.0mVp-p
NTSC
14
6
12.57
7
0
8
*
IC604
I
15.0
G
0
O
8.8
IC605
VCC
7.1
GND
0
OUT
3.3
IC606
1
4.3
2
1.7
3
0
4
2.7
IC607
I
7.0
G
0
VC
2.2
O
5.0
IC610
1
2.5
2
3.3
3
0
4
4.0
5
0
Q001
B
0
C
(2.2)[2.3]
E
0
Q002
B
2.0
C
0
E
2.6
Q012
B
*
C
4.9
E
*
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
4.6
C
8.8
E
3.9
Q103
B
0
C
3.3
E
0
Q111
B
0
C
0
E
*
Q202
B
7.1
C
0
E
(6.0)[7.0]
Q203
B
0
C
0
E
0
Q300
B
*
C
0
E
*
Q505
S
0
G
7.0
D
(16.6)[17.7]
Q506
B
0
1.540Vp-p
PAL
15
1.600Vp-p
NTSC
15
C
91.2
E
12.3
– 49 –
KV-SW292M50/M61/M80/N60
RM-GA002
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
Q617
B
2.5
C
0
E
2.5
Q618
B
2.5
C
0
E
2.7
Q900
B
1.5
C
0
E
2.2
Q901
B
0
C
0.1
E
0
Q902
B
0
C
0.1
E
0
PH601
1
14.9
2
13.9
3
0
4
1.5
PH602
1
145.5
2
145.7
3
0
4
15
DY1
H+
138.6
147.2Vp-p
PAL
17
149.6Vp-p
NTSC
17
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
H-
134.9
154.0Vp-p
PAL
18
178.0Vp-p
NTSC
18
V-
0
2.000Vp-p
19
V+
(0.3)[0.2]
53.60Vp-p
20
Q511
B
*
8.440Vp-p
16
C
138.7
E
0
Q512
B
0
C
4.9
E
0.1
Q513
B
1.2
C
0
E
1.8
Q600
B
0
C
15.0
E
0
Q607
S
145.7
G
149.5
D
*
Q608
S
0.2
G
4.7
O
0.2
Q609
B
0.7
C
*
E
0
Q612
B
0
C
7.1
E
0
Q613
B
7.1
C
0
E
7.1
Q614
B
0
C
0.7
E
0
Q616
B
14.2
C
14.9
E
15.0
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