Sony KV-HG21M50 (serv.man2) Service Manual ▷ View online
KV-HG21M50/M53/M80C/M86
RM-GA002
KV-HG21M50/M53/M80C/M86
RM-GA002
4-3-10. P Board Schematic Diagram (KV-HG21M86)
– 52 –
– 53 –
SCHEMATIC DIAGRAM ATTACHED AT PAGE 97 ~ 98. PLEASE CLICK
HERE TO LINK TO THE PAGE.
HERE TO LINK TO THE PAGE.
– 54 –
KV-HG21M50/M53/M80C/M86
RM-GA002
4-4.
VOLTAGE MEASUREMENT AND WAVEFORMS
A BOARD VOLTAGE LIST AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC001
1
0
2
0
3
1.8
4
3.3
5
3.2
6
0
7
3.2
8
0
9
3.2
10
*
11
*
12
0
13
0.1
14
2.4
15
4.8
16
1.7
17
2.2
18
0
19
2.2
20
2.2
21
4.4
22
1.6
23
1.7
24
1.8
25
1.8
26
2.2
27
1.8
28
0
29
0.1
30
0.1
31
4.5
32
0.4
33
0
34
0.1
35
0
36
0
37
3.4
38
2.1
39
2.4
40
0
41
1.7
42
0.2
43
3.5
44
3.4
45
8.5
46
1.8
47
4.7
48
1.4
49
2.1
50
2.1
51
1.3
52
1.5
53
2.1
54
2.1
55
1.3
56
2.1
57
2.1
5.8
1.3
59
1.6
60
3.4
61
3.4
62
3.4
63
3.3
64
1.4
248.0mVp-p
PAL
1
216.0mVp-p
NTSC
1
65
2.0
66
0.3
560.0mVp-p
PAL
2
568.0mVp-p
NTSC
2
67
1.4
68
0
69
4.8
70
1.1
90.0mVp-p
PAL
3
92.0mVp-p
NTSC
3
71
1.1
66.0mVp-p
PAL
4
70.0mVp-p
NTSC
4
72
1.1
78.0mVp-p
PAL
5
92.0mVp-p
NTSC
5
73
2.0
74
1.5
75
0.1
76
0
77
4.8
78
1.2
90.00mVp-p
PAL
6
92.00mVp-p
NTSC
6
79
1.2
26.00mVp-p
PAL
7
27.20mVp-p
NTSC
7
80
1.1
23.60mVp-p
PAL
8
28.40mVp-p
NTSC
8
81
0
82
1.2
83
1.9
84
3.1
85
1.5
86
1.5
87
1.5
88
3.2
89
0
90
3.2
91
1.5
92
0
93
1.8
94
3.2
95
0
96
1.8
97
2.8
98
0.5
99
3.1
100
1.7
101
0
102
3.2
103
0
104
2.3
105
2.5
106
1.8
107
3.2
108
0.9
109
3.2
110
3.2
111
4.8
112
0.4
– 55 –
KV-HG21M50/M53/M80C/M86
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORMS
113
0
114
0
115
0
116
0.1
117
1.7
118
1.7
119
3.2
120
2.9
121
0
122
0
123
3.2
124
1.7
125
0
126
3.2
127
0
128
3.2
IC002
I
3.2
G
0
O
2.9
IC003
1
0
2
0
3
0
4
0
5
4.0
6
(3.8)[4.0]
7
3.2
8
3.2
IC200
1
0
2
0
3
21.9
4
0
5
0
6
0
7
10.8
8
0
9
0
10
23.4
11
4.0
12
10.8
IC601
1
0.1
2
0.4
3
165.9
4
10.8
5
1.0
IC602
1
9.8
2
9.0
3
0
4
2.1
IC603
I
3.4
G
0
O
1.9
V
2.4
IC604
I
9.0
G
0
O
4.8
IC605
I
134.4
G
0
O
21.2
IC606
I
23.3
G
0
O
3.2
IC607
I
3.4
G
0
O
1.7
IC800
1
5.1
2
4.9
3
4.9
4
0
5
4.8
6
4.8
7
4.7
8
9.8
IC801
1
2.2
2
0.8
3
1.5
4
0
5
3.0
6
2.2
7
6.1
8
9.0
IC802
1
3.4
2
3.6
3
3.6
4
0
5
3.6
6
3.6
7
4.4
8
9.0
IC804
1
0.3
2
13.3
3
-12.1
4
-13.3
5
0.2
6
13.4
7
0.3
Q001
B
0
C
2.9
E
0
Q006
B
0
C
1.9
E
1.9
Q007
B
0
C
3.2
E
0.1
Q008
B
2.8
C
0.6
E
0
Q016
B
2.3
C
0
E
0
Q100
B
4.5
C
9.0
E
3.9
Q103
B
(0)[3.0]
C
(2.9)[0]
E
0
Q200
B
2.0
C
0
E
0
Q201
B
22.6
C
23.4
E
23.4
Q202
B
9.0
C
0
E
8.9
Q206
B
2.5
C
0
E
0
Q601
B
0
C
9.8
E
0
Q608
B
0
C
5.1
E
0
Q609
B
0.6
C
0
E
0
Q800
B
1.6
C
5.6
E
1.1
Q801
B
0.3
C
0
E
0
Q802
B
0
C
4.7
E
0
Q803
B
*
C
65.8
E
0
Q804
B
133.3
C
0.3
E
133.7
Q805
B
0
C
137.3
E
0
Q806
B
6.0
C
9.0
E
5.7
Q807
B
6.0
C
0
E
5.7
Q808
S
0
G
5.7
D
12.2
Q814
B
0
C
4.8
E
0.1
Q900
B
1.4
C
0
E
2.1
Q901
B
0.1
C
0.1
E
0
Q902
B
0.1
C
0.1
E
0
Q8009
B
196.6
C
197.2
E
197.3
Q8010
B
0.3
C
0.1
E
0
D809
980.0mVp-p
PAL
9
1.00Vp-p
NTSC
9
– 56 –
KV-HG21M50/M53/M80C/M86
RM-GA002
CV BOARD VOLTAGE LIST AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC751
1
1.8
192.0mVp-p
PAL
1
194.0mVp-p
NTSC
1
2
1.8
120.0mVp-p
PAL
2
114.0mVp-p
NTSC
2
3
1.7
158.0mVp-p
PAL
3
194.0mVp-p
NTSC
3
4
0
5
4.3
6
(196.4)[196.1]
7
(141.8)[139.6]
8
(138.8)[138.1]
9
(140.3)[139.2]
J751
H1
0
J752
H2
0
KB
(140.5)[139.8]
13.20Vp-p
PAL
4
13.40Vp-p
NTSC
4
Ref
Pin No.
Voltage[v]
KG
(138.3)[138.1]
10.00Vp-p
PAL
5
7.80Vp-p
NTSC
5
KR
(141.3)[140.1]
10.60Vp-p
PAL
6
13.00Vp-p
NTSC
6
Q712
B
0
C
0
E
0.1
Q717
B
6.3
C
9.0
E
5.9
Q718
B
0
C
0.1
E
0
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