Sony KV-SW252M50 (serv.man2) Service Manual ▷ View online
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
B
C
D
E
F
G
H
I
J
4-3-9. VM Boar d Schematic Dia gram
–
52 –
–
53 –
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
XX
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
1SS119-25
D5901
220
R5949
47k
R5947
1k
R5906
1k
R5905
5
JW5901
0uH
FB5900
1000p
C5910
1000p
C5913
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)13032-...-VM.-SW252M50
9V
9V
AMP
INV
AMP
TEMP-CORR.
LEVEL SHIFT
LEVEL SHIFT
VOLTAGE DROP
VOLTAGE DROP
VOLTAGE DROP
VOLTAGE DROP
PT
50V
PT
50V
PT
50V
PT
50V
50V
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
– 54 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
4-3-10. F1 and H4 Boards Schematic Diagrams
1
2
2P
CN4601
AC IN
AC IN
1
2
WHT
2P
CN4602
AC OUT
AC OUT
1
1P
CN4603
GND
1
4
T4602
JW4603
XX
JW4604
XX
JW4601
XX
JW4602
XX
JW4605
XX
XX
JW4606
XX
XX
JW4607
XX
JW4608
XX
FH001
FH002
0.22
R4602
0.22
10W
10W
R4603
C4602
XX
1
2
2
3
3
4
T4601
820k
R4601
0.5W
RN
C4601
PT
0.47
250V
4700p
B
C654
F4601
5A
250V
C4603
F1
CISPR
SPARK GAP
TO POWER CORD
TO A (Block 001)
CN100
TO H4 BOARD
CN1652
!
!
!
!
!
143118211
B-BX1L(05)13032-...-F1.-SW252M50
!
!
VCC
GND
OUT
RPM7240-H5
IC1900
G
R
SPB-25MVWF
D1903
S1650
470p
B
C1901
1SS133T-77
D1902
1
2
2P
CN1651
AC OUT
AC OUT
1
2
2P
CN1652
AC IN
AC IN
470p
B
C1900
RD5.6ESB2
D1901
RD5.6ESB2
D1900
1
2
3
4
5
WHT
5P
CN1900
LED G
LED R
GND
SIRCS IN
3.3V SEN
VD601
XX
H4
AC Switch
TO H7 BOARD
CN3907
TO A (Block 002)
TO F1 BOARD
CN4602
CN600
!
!
!
B-BX1L(05)13032-...-H4.-SW252M50
3.3V
LED
PROTECT
PROTECT
SIRCS RECEIVER
178664912
– 55 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
4-3-11. J3 Board Schematic Diagram
XX
R2417
5
JW2415
XX
R2412
XX
R2410
5
JW2419
XX
C2411
D2411
XX
D2412
5
JW2418
5
JW2411
5
JW2421
5
JW2400
XX
D2410
XX
B
C2414
5
JW2412
XX
D2415
XX
C2412
XX
R2421
XX
D2414
5
JW2410
5
JW2401
XX
C2400
L
R
VB
VR
VG
J2410
XX
R2414
1
2
3
4
5
6
7
8
WHT
8P
CN2410
DVD Y
GND
DVD BY
GND
DVD RY
GND
DVD L
DVD R
XX
R2415
XX
R2420
XX
B
C2413
XX
R2418
XX
R2419
XX
C2401
XX
C2410
5
JW2420
XX
R2411
XX
C3615
XX
R3620
XX
R3627
XX
C3614
XX
R3624
1
5
4
T3600
XX
R3626
XX
R3622
XX
R3621
VD3600
XX
R3623
XX
R3625
XX
D3402
D3400
XX
XX
D3403
J3400
XX
1
2
D3401
XX
1
2
3
CN3600
GND-CENTRE
CENTRE IN-L
CENTRE IN-R
4
C
A
D
B
1
B
2
C
3
D
A
JW3601
JW3400
XX
1
2
3
CN3400
XX
GND/3D - IN
GND
3D + IN
J3603
1
2
JW3401
XX
B-Y
TO A BOARD
R
CN907 CN010
Y
R-Y
L
CENTER IN
TO A BOARD
CN907
J3
DVD Terminal
TO H5 BOARD
CN3906
B-BX1L(05)13032-...-J3-SW252M50
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
XX
XX
XX
XX
181789511
XX
XX
– 56 –
KV-SW252M50/M60K/M61/M81/N60
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORMS
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
0.8
3
3.2
4
0
5
1.6
6
3.2
7
0
8
0
9
(1.5)[1.7]
10
3.2
11
1.7
12
(1.6)[1.7]
13
0.3
14
0.8
15
0
16
0
17
0.4
18
(0.9)[0.8]
19
3.2
20
(3.9)[3.8]
21
(3.8)[3.9]
22
(1.2)[1.3]
23
0
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
38
(1.6)[1.5]
39
3.2
40
0
41
3.2
42
1.7
1.920Vp-p
PAL
1
2.160Vp-p
NTSC
1
43
(1.7)[1.6]
2.080Vp-p
PAL
2
1.880Vp-p
NTSC
2
44
1.6
2.080Vp-p
PAL
3
3.040Vp-p
NTSC
3
45
3.1
46
(2.1)[2.0]
47
4.8
48
0
49
1.2
50
0
51
1.2
52
0.2
53
0
54
0.1
55
1.5
56
1.7
57
0
58
1.2
59
1.2
60
4.9
61
0
62
0
4.960Vp-p
4
63
0.3
5.440Vp-p
5
64
0.2
2.000Vp-p
6
65
0
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
1.3
79
2.1
80
2.1
81
(1.4)[1.3]
2.280Vp-p
PAL
7
2.080Vp-p
NTSC
7
82
4.7
83
(1.8)[1.7]
84
8.3
85
4.3
86
0.1
87
1.7
88
1.9
89
0
90
2.4
91
2.1
92
3.4
93
3.4
94
0
95
2.1
96
0
97
1.5
98
(3.2)[3.3]
99
(1.8)[0.2]
100
(1.8)[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
9
108
2.3
1.040Vp-p
PAL
10
1.120Vp-p
NTSC
10
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