Sony KV-BM142M70 Service Manual ▷ View online
– 47 –
KV-BM142M70
RM-W101
4-3-7. A Board — Heat Sink (007)
HS-A007
003:5E
Mount Mecha
409312201
A004
IC603
Mount Mecha
409312201
A005
IC602
Mount Mecha
409311701
A010
IC200
XX
Mount Mecha
409358501
A002
IC606
Mount Mecha
409358401
A006
IC804
Mount Mecha
409312201
A003
IC604
Mount Mecha
409447401
A007
IC601
Mount Mecha
409500101
A009
IC200
XX
Mount Mecha
409311801
A001
Q805
D
4
C
A
D
B
1
B
2
C
3
A
Mount Mecha
409311601
A008
IC200
Mount Mecha
410268311
A016
Mount Mecha
410268311
A018
Mount Mecha
410268301
A012
CLP001
Mount Mecha
410268301
A017
Mount Mecha
410268301
A019
Mount Mecha
405530402
A015
D914 HOLDER
Mount Mecha
410262101
A011
IC001
A
HEATSINK
(BLOCK 007)
B-BX1S12329-ME.-A (BLOCK007).-BM142M70
A
12345
6
7
B
C
D
E
F
G
H
I
J
–
48
–
KV
-BM142M70
-BM142M70
RM-W101
4-3-7.
C Boar
d Schematic Dia
grams
2kV
4700p
E
C752
1000p
B
C782
1
1P
CN705
GND
1SS133T-77
D780
1SS133T-77
D781
L750
XX
22uH
L780
XX
Q701
XX
R777
R766 XX
R767 XX
R768 XX
R784
XX
R785
XX
R786
XX
UDZSTE-175.6B
D782
XX
R776
XX
R778
250V
4.7
C754
XX
JW702
C759
XX
1
2
3
4
5
200V
NC
GND
H1
NC
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
110M
RV750
XX
R760
1/2W
100
R763
1/2W
100
R764
1/2W
560k
R773
1/2W
1k
R756
1/2W
1k
R757
1/2W
1k
R758
D756
D755
HSS82-TJ
D754
R774
150
3W
RS
1/2W
100
R783
R713
0:CHIP
C783
1000p
B:CHIP
1
CN704
1P
1000V
0.47
R794
GP08D
D750
1/2W
470k
R780
1
2
3
4
5
6
7
GND
B
G
R
GND
1K
9V
1000p
B:CHIP
C786
500V
1000p
C787
2W
RS
R781
0.47
5.0MM
JW1781
5.0MM
JW1782
5.0MM
JW1783
CHIP
680
R752
CHIP
680
R753
CHIP
680
R754
250V
10
C751
250V
4.7
C781
XX
C788
XX
C790
XX
C789
1/2W
100
R765
1/2W
FPRD
FPRD
100k
R795
XX
L781
XX
L782
XX
L783
XX
R775
JW1750
XX
9
8
7
6
5
4
3
TDA6108AJF/N1
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
C753
+200V
R-OUT
R-IN
+9V
FV
RCV
H
KG
G2
CV
KR G1
G4 HV
KB
A34LRG70X
PICTURE TUBE
1
2
3
4
5
6
J751
145154411
WHT
5P
CN703
TO A BOARD
(004)
CN801
7P
CN701
WHT
TO A BOARD
(001)
CN004
1000V
200V
9V
9V
C
(VIDEO AMP)
B-BX1S12329-ME.-C-BM142M70
XX
HSS82-TJ
HSS82-TJ
– 49 –
KV-BM142M70
RM-W101
A BOARD VOLTAGE LIST AND WAVEFORM
4-4 VOLTAGE MEASUREMENT AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC001
1
0
2
0
3
1.7
4
3.3
5
3.3
6
0
7
3.3
8
0
9
3.3
10
*
11
*
12
0
13
(103.5)[128.1]
14
(2.4)[2.5]
15
(4.9)[4.2]
16
1.9
17
2.3
18
0
19
2.3
20
2.3
21
(3.2)[2.8]
1.300V
2
22
1.6
1.840V
3
23
1.7
2.040V
4
24
1.9
25
1.9
26
2.2
27
1.9
28
0
29
(1.9)[2.2]
30
(1.9)[2.2]
31
(2.9)[3.1]
32
0.4
33
(112.3)[111.2]
34
2.2
35
(2.2)[1.9]
36
(4.1)[3.5]
37
(3.2)[2.8]
38
2.4
39
2.4
40
0
41
1.9
42
1.5
43
2.2
44
(2.2)[1.5]
45
8.4
46
4.9
47
4.9
48
1.4
2.160V
5
49
2.2
50
2.2
51
1.4
52
1.5
53
2.2
54
2.2
55
(1.5)[1.9]
56
(1.9)[1.4]
57
(2.2)[1.9]
58
1.4
59
1.5
60
3.2
61
3.2
62
3.1
63
3.1
64
1.4
65
0.6
324.0mV
6
66
0.4
5.440V
7
67
1.4
3.160V
8
68
0
69
4.2
70
1.2
71
1.2
72
1.2
73
2.0
74
1.6
75
(123.8)[124.7]
76
0
77
4.2
78
1.3
79
1.3
80
1.3
81
0
82
(4.2)[0]
83
(1.9)[2.3]
84
3.2
85
1.7
1.560V
PAL
9
2.040V
NTSC
9
86
1.7
1.380V
10
87
1.6
1.460V
PAL
11
1.680V
NTSC
11
88
(0)[3.3]
89
0
90
3.3
91
1.6
92
0
93
1.6
94
3.1
95
0
96
(3.2)[1.6]
97
3.4
98
3.4
99
(3.3)[3.7]
100
1.7
101
0
102
3.3
103
(24.2)[25.1]
104
(40.0)[39.5]
105
2.7
106
3.3
107
3.3
108
3.3
109
3.6
110
3.3
111
(4.1)[4.9]
112
0
113
0
114
2.9
115
28.2
116
0.7
117
1.7
118
1.6
119
3.3
120
5.0
121
0
122
0
– 50 –
KV-BM142M70
RM-W101
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
123
3.2
124
1.7
125
0
126
3.3
127
3.3
128
0
IC002
I
3.3
G
0
O
3.2
IC003
1
0
2
0
3
0
4
0
5
(3.6)[3.4]
6
(3.6)[3.4]
7
0
8
3.3
IC200
1
0
2
0
3
19.9
4
0
5
0
6
0
7
9.9
8
3.5
9
0
10
21.1
11
9.6
12
0
IC601
1
0.5
2
(34.2)[34.6]
3
0.3
4
0.3
5
(2.1)[2.9]
IC602
I
10.9
G
0
O
8.9
IC603
I
3.2
G
0
O
1.7
IC604
I
8.9
G
0
O
(4.2)[5.0]
IC605
1
137.1
2
13.6
3
0
IC606
I
23.7
G
0
O
3.3
IC607
1
3.2
2
0
3
3.2
4
1.2
5
1.7
IC800
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
10.9
IC801
1
2.3
2
0.8
3
1.5
4
0
5
2.6
6
2.3
7
5.8
8
8.9
IC802
1
(4.5)[4.4]
2
3.2
3
3.2
4
0
5
4.4
6
(4.4)[4.9]
7
3.4
8
8.9
IC803
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
IC804
1
0.4
648.0mV
17
2
13.3
3
-12.4
4
-13.3
5
(196.0)[141.6]
54.40V
16
6
13.2
7
0.4
PH600
1
23.1
2
22.0
3
(33.0)[33.4]
4
2.6
Q001
B
0
C
2.3
E
0
Q006
B
(0)[3.3]
C
(3.3)[2.0]
E
(0.2)[1.9]
Q007
B
(3.2)[0]
C
(2.0)[3.3]
E
(1.9)[0.3]
Q008
B
0.5
C
0
E
0
Q009
B
0
C
0
E
0
Q010
B
0
C
0
E
0
Q011
B
0
C
0
E
0
Q012
B
0.6
C
(40.7)[32.9]
E
0
Q013
B
(40.7)[32.8]
C
1.7
E
0
Q016
B
0
C
0
E
0
Q100
B
(2.9)[3.1]
C
8.9
E
(2.4)[0]
Q101
B
0
C
8.9
E
0
Q102
B
3.2
C
2.4
E
(7.6)[8.6]
Q103
B
(0)[3.2]
C
(3.3)[1.0]
E
(0)[34.7]
Q104
B
(3.1)[10.6]
C
(38.3)[5.2]
E
0
Q105
B
8.9
C
130.1
E
0
Q106
B
0
C
0
E
0
Q111
B
0
C
0
E
0
Q200
B
1.9
C
(76.5)[68.7]
E
0
Q201
B
(18.4)[20.3]
C
21.1
E
21.1
Q202
B
(7.7)[8.9]
C
(-0.4)[-0.6]
E
8.8
Q204
B
0
C
8.9
E
0
Q205
B
0
C
0
E
0
Q601
B
45.6
C
10.9
E
0
Q605
B
(22.7)[21.5]
C
0.2
E
(23.4)[23.1]
Q606
B
0.2
C
22.3
E
20.2
Q608
B
(94.0)[93.7]
C
19.5
E
0
Q609
B
0.6
C
93.8
E
0
Q800
B
0
C
0
E
0
Q801
B
(69.8)[0]
C
0
E
0
Q802
B
0
C
0
E
0
Q803
B
(50.4)[51.0]
1.440V
14
C
48.5
E
0
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