Sony KV-SW252M50 Service Manual ▷ View online
KV-SW252M50/M80
RM-GA002
KV-SW252M50/M80
RM-GA002
4-3-8. F2 Board Schematic Diagram
– 45 –
– 46 –
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
To A (Block 002)
2.2
C6606
33
C6609
MMDL914T1
D6602
MMDL914T1
D6603
MMDL914T1
D6604
MMDL914T1
D6605
MMDL914T1
D6606
MMDL914T1
D6601
MMDL914T1
D6609
MMDL914T1
D6608
MMDL914T1
D6610
MSB709-RT1
SW
Q6601
MSB709-RT1
Q6603
MSD601-RT1
Q6602
MSD601-RT1
Q6604
100p
C6605
CH
RN-CP
10k
R6631
RN-CP
470k
R6623
RN-CP
510k
R6611
RN-CP
56k
R6625
RN-CP
510k
R6605
RN-CP
47k
R6629
RN-CP
510k
R6612
RN-CP
100k
R6609
RN-CP
510k
R6620
RN-CP
680k
R6624
RN-CP
510k
R6613
RN-CP
10k
R6632
RN-CP
75k
R6622
XX
C6608
25V
0.01
B
C6603
RN-CP
39k
R6630
RN-CP
120k
R6614
RN-CP
510k
R6610
RN-CP
4.7k
R6637
RN-CP
10k
R6601
XX
C6601
RN-CP
510k
R6626
RN-CP
510k
R6627
RN-CP
3.9k
R6638
RN-CP
510k
R6606
RN-CP
10k
R6639
RN-CP
4.7k
R6633
RN-CP
510k
R6618
RN-CP
4.7k
R6603
RN-CP
10k
R6602
RN-CP
22k
R6635
RN-CP
10k
R6640
RN-CP
510k
R6604
RN-CP
75k
R6615
RN-CP
4.7k
R6636
RN-CP
10k
R6641
100p
C6604
CH
RN-CP
56k
R6616
RN-CP
1k
R6642
100p
C6602
CH
100p
C6607
CH
RN-CP
56k
R6607
RN-CP
22k
R6634
RN-CP
510k
R6619
RN-CP
56k
R6608
RN-CP
120k
R6621
RN-CP
470k
R6617
RN-CP
47k
R6628
PC123Y22FZ0F
PH6602
1
2
3
4
PC123Y22FZ0F
PH6603
1
23
4
MM3Z12VST1
D6607
14
13
12
11
10
9
8
7
6
5
4
3
2
1
LM339NS
(SW IC)
DUAL COMPARATOR
IC6604
OUT2
OUT1
VCC
I1
W1
I2
W2
I3
W3
I4
W4
GND
OUT4
OUT3
1
2
3
4
GRN
4P
CN6602
P_VCC
DH
DL
P_GND
1
4
GRN
4P
CN6601
M_SENSE
S_SENSE
1
2
3
4
5
GRN
5P
CN6603
S_GND
MAIN_ON
BIAS
P_CONT
S_VCC
3
1
2
KIA431AF
IC6601
PRIMARY SECONDARY
F2
Rectifier Selection Unit
CN606
CN607
To A (Block 002)
To A (Block 002)
CN608
B-BX1L(05)13033-ID.-F2.-SW252M50
!
!
SW
SW
SW
SW
SW
SW
SW
SW
SW
PROTECT
PROTECT
SHUNT REGULATOR
SW
!
KV-SW252M50/M80
RM-GA002
KV-SW252M50/M80
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 Board Schematic Diagram
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
16V
100
C5914
200V
PT
0.047
C5908
68k
R5911
RD39ES-B
D5902
RD39ES-B
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
2SA117-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
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 D3 BOARD CN2802
Velocity Modulation
B-BX1L(05)13033-ID.-VM.-SW252M50
9V
9V
AMP
INV
AMP
TEMP-CORR.
LEVEL SHIFT
LEVEL SHIFT
VOLTAGE DROP
DROP
VOLTAGE
DROP
VOLTAGE
DROP
VOLTAGE
– 47 –
– 48 –
– 49 –
KV-SW252M50/M80
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
– 50 –
KV-SW252M50/M80
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORMS
109
2.2
110
2.2
111
0
112
(2.2)[2.1]
113
1.8
114
4.8
115
2.4
116
0.1
117
0
118
*
119
*
120
3.3
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
3.6
7
0
8
3.2
IC200
1
0
2
0
3
21.6
4
0
5
0
6
0
7
10.7
8
0.1
9
0
10
23.1
11
3.9
12
10.6
IC502
1
1.1
2
2.4
3
1.6
4
0
5
3.0
6
2.5
7
(6.5)[6.4]
8
8.9
IC503
1
(0.5)[0.4]
960.0mV
PAL
11
920.0mV
NTSC
11
2
13.1
3
(-13.9)[-13.7]
30.40Vp-p
12
4
-14.9
5
(0.3)[0.2]
6
13.2
7
0.4
800.0mV
PAL
13
1.000Vp-p
NTSC
13
IC602
1
2.4
2
1.5
3
1.9
4
1.9
5
0
6
-0.2
7
-0.2
8
18.4
9
-0.2
10
10.2
11
-0.2
12
4.5
13
0
14
*
15
*
16
149.6
17
0
18
*
IC603
1
135.0
2
0
3
3.3
4
2.7
5
2.4
880.0mV
14
6
12.7
7
0
8
0
IC604
I
15.0
G
0
O
8.9
IC605
I
7.0
G
0
O
3.2
IC606
I
4.4
G
0.1
O
(1.9)[1.8]
V
2.7
IC607
I
7.2
G
0
O
4.9
V
2.1
IC610
1
2.4
2
3.2
3
0
4
1.7
5
0
Q002
B
0.2
C
0
E
0.9
Q009
B
0
C
(2.0)[2.1]
E
0
Q015
B
1.9
C
0
E
0
Q016
B
0.5
C
0
E
0
Q017
B
0
C
1.7
E
0
Q100
B
(3.1)[3.3]
C
(8.8)[8.9]
E
(2.5)[2.7]
Q102
B
3.1
C
8.7
E
2.4
Q103
B
(0)[3.2]
C
(3.3)[0]
E
0
Q104
B
(3.3)[0]
C
(0)[5.4]
E
0
Q111
B
0.1
C
8.9
E
0
Q202
B
7.1
C
0
E
7.0
Q203
B
0.6
C
0
E
0
Q505
S
0
G
(6.5)[6.3]
D
(21.9)[23.4]
Q506
S
0
G
2.8
9.400Vp-p
PAL
15
9.800Vp-p
NTSC
15
D
72.4
Q511
B
0
22.40Vp-p
PAL
16
22.00Vp-p
NTSC
16
C
*
E
0
Q512
B
0.1
C
4.9
E
0.1
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