Sony KV-AZ21M81 Service Manual ▷ View online
– 43 –
KV-AZ21M81
RM-GA002
4-3-7. A Board — Heatsink (Block 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
4
C
A
D
B
1
B
2
C
3
D
A
Mount Mecha
409888201
*A008
IC200
Mount Mecha
410268311
A016
Mount Mecha
410268311
A018
Mount Mecha
410268301
A012
CLP001
Mount Mecha
410268301
*A017
XX
Mount Mecha
410268301
*A019
XX
Mount Mecha
405530402
A015
D914 HOLDER
Mount Mecha
410262101
A011
IC001
A
(Block 007)
Heat Sink
B-BX1S(05)12848-ME.-A..(Block 007)-AZ21M81
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
– 44 –
KV-AZ21M81
RM-GA002
4-3-8. CV Board Schematic Diagram
2kV
4700p
E
C752
10uH
L750
250V
4.7
C754
250V
4.7
C781
250V
10
C751
1
2
3
4
2
3
4
WHT
4P
CN711
+B
NC
GND
VM OUT
100uH
L711
XX
C703
16V
100
C722
500V
4700p
E
C711
470
R715
FPRD
47
R714
200V
22
C713
47k
R722
1k
R725
160V
10
C719
47k
R726
PT
0.047
C723
16V
470
C725
47
R735
2W
RS
RS
220
R724
500V
100p
B
C710
1
2
3
2
3
WHT
3P
CN712
GND
NC
VM
NC
VM
2SC3311A-QRSTA
Q717
22
R736
10k
R727
2SA1175-HFE
Q718
2SC3311A-QRSTA
Q712
47
R712
PT
0.047
C712
47uH
L712
470
R729
XX
E
C782
22
C756
1
3
1
2
3
4
5
2
3
4
5
WHT
5P
CN703
200V
NC
GND
H1
NC
NC
GND
H1
NC
RD5.6ESB2
D782
XX
Q701
XX
R775
XX
R776
XX
R777
XX
R778
1
XX
CN702
GND
1
1P
CN705
GND
1
1P
CN704
1000V
XX
B
C759
L751
XX
XX
L752
XX
L753
R766
XX
R767
XX
R768
XX
R784
XX
R785
XX
R786
XX
XX
R770
XX
R771
XX
R772
XX
R760
1/2W
100
R763
1/2W
100
R764
1/2W
560k
R773
500V
1000p
B
C753
GP08D
D750
1/2W
1k
R756
1/2W
1k
R757
1/2W
1k
R758
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
5.0MM
JW705
5.0MM
JW706
5.0MM
JW707
JW704
5.0MM
R774
150
3W
RS
XX
L754
1/2W
100
R783
5.0MM
JW708
1
1P
TP701
1
1P
TP700
R713
XX
0.47
R794
-2
1k
R787
1k
R788
1k
R789
2SC3311A-QRSTA
Q719
220
R792
1SS133T-77
D783
270
R790
JW709
XX
-2
820
R731
100
R728
100
R730
16V
100
C784
200V
100
C714
10uH
L780
1/2W
470k
R780
1
2
3
4
5
6
7
2
3
4
5
6
7
WHT
7P
CN701
GND
B
G
R
G
R
GND
1K
9V
1 2
9
8
7
6
5
4
3
TDA6108AJF/N1
RGB
RGB
IC751
2W
RS
RS
0.56
R781
2.2
R737
2.2
R732
200V
PT
0.047
C718
200V
PT
0.1
C720
680
R752
680
R753
680
R754
1/2W
100
R765
1/2W
FPRD
FPRD
100k
R795
1SS133T-77
D780
1SS133T-77
D781
100
R791
100
R793
2200p
B
C783
KTA1659A
Q713
KTC4370A
Q715
HSS82-TJ
D754
HSS82-TJ
D755
HSS82-TJ
D756
110M
RV750
0.1W
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J751
CV
FV
RCV
PROTECTOR
PROTECTOR
TO A (Block001)
CN004
TO A (Block001)
CN003
TO A(Block004)
CN801
B-BX1S(05)12848-ME.-C..-AZ21M81
H
KG
G2
CV KR G1 G4 HV
KB
(Video AMP)
PICTURE
TUBE
PROTECTOR
PROTECTOR
!
9V
4
5
6
2
200V
1000V
200V
PROTECTOR
CLAMP
PROTECTOR
SWITCH
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
SWITCH
PROTECTOR
145154411
A 51LPT70X
!
– 45 –
KV-AZ21M81
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
2
0
3
1.7
4
3.2
5
3.2
6
0
7
3.2
8
0
9
3.2
10
*
11
*
12
0
13
0.1
14
2.4
15
4.9
16
(1.8)[1.9]
17
(2.2)[2.1]
18
0
19
2.2
20
2.2
21
(3.9)[3.8]
960.0mVp-p
PAL
1
1.080Vp-p
NTSC
1
22
1.5
1.840Vp-p
2
23
1.6
2.000Vp-p
PAL
3
2.040Vp-p
NTSC
3
24
1.8
25
(1.6)[1.8]
26
2.3
27
(1.9)[1.8]
28
0
29
(1.8)[0.2]
30
(1.8)[0.2]
31
4.6
32
0.4
33
(0.2)[0.4]
34
2.1
35
2.1
36
3.4
37
3.4
38
2.2
39
0
40
0
41
1.9
42
1.9
43
(1.3)[1.0]
44
1.6
45
8.4
46
1.8
47
4.8
48
0
2.320Vp-p
PAL
4
2.080Vp-p
NTSC
4
49
2.1
50
2.1
51
1.3
52
0
53
2.1
54
2.1
55
(1.3)[1.4]
56
2.1
57
2.1
58
1.3
59
1.5
60
3.4
61
0
62
3.4
63
3.4
64
1.3
65
1.9
588.0mVp-p
5
66
0.3
5.440Vp-p
6
67
(1.4)[1.5]
3.520Vp-p
7
68
0
69
4.9
70
1.2
71
1.2
72
1.2
73
1.9
74
1.6
75
0.1
76
0
77
0.1
78
1.2
79
1.2
80
1.2
81
0
82
4.9
83
2.4
84
3.1
85
1.4
2.000Vp-p
PAL
8
2.320Vp-p
NTSC
8
86
1.5
1.880Vp-p
PAL
9
1.600Vp-p
NTSC
9
87
1.5
2.000Vp-p
PAL
10
1.840Vp-p
NTSC
10
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
2.9
98
0.4
99
3.2
100
1.7
101
0
102
3.2
– 46 –
KV-AZ21M81
RM-GA002
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORMS
103
0
104
2.4
105
2.5
106
0
107
3.2
108
3.0
109
(3.4)[3.3]
110
3.2
111
4.9
112
0.4
113
0
114
0
115
0
116
0
117
1.6
118
(1.7)[1.6]
119
3.2
120
2.9
121
0
122
0
123
3.2
124
1.6
125
0
126
3.2
127
(0.4)[0]
128
(0)[3.2]
IC002
V
3.2
G
0
O
2.9
IC003
1
0
2
0
3
0
4
0
5
3.2
6
3.5
7
3.2
8
3.2
IC200
1
0
2
0
3
30.7
4
0
5
0
6
0
7
15.4
8
0.7
9
0
10
32.0
11
12.5
12
15.4
IC601
1
1.5
2
10.4
3
(165.5)[165.1]
4
0.1
5
(0.3)[0.2]
IC602
I
11.9
G
0
O
8.9
V
2.2
IC603
I
4.0
G
0.1
O
1.9
V
2.4
IC604
I
8.9
G
0
O
4.9
IC605
I
134.4
G
0
O
24.9
IC606
I
27.4
G
0
O
3.2
IC607
I
3.9
G
0
O
1.7
IC800
1
6.1
2
5.9
3
5.9
4
0
5
5.8
6
5.8
7
5.8
8
11.9
IC801
1
2.2
2
0.7
3
1.5
4
0
5
(3.0)[2.9]
6
2.2
7
6.0
8
8.9
IC802
1
(2.7)[2.9]
2
3.1
3
3.2
4
0
5
(3.0)[3.2]
6
(3.0)[3.1]
7
4.3
8
8.9
IC804
1
0.3
760.0mVp-p
11
2
13.5
3
(-12.3)[-12.0]
28.80Vp-p
PAL
12
29.60Vp-p
NTSC
12
4
-13.5
5
(0.2)[0.1]
6
(13.7)[13.9]
7
0.3
640.0mVp-p
13
Q001
B
0
C
(2.5)[2.3]
E
0
Q006
B
3.2
C
2.0
E
1.9
Q007
B
0
C
3.2
E
0.2
Q008
B
(-0.1)[-0.3]
C
0.9
E
0
Q010
B
2.0
C
0
E
2.6
Q013
B
0.1
C
1.6
E
0
Q016
B
2.4
C
0
E
0
Q100
B
(4.5)[4.6]
C
8.9
E
3.9
Q102
B
2.9
C
8.7
E
2.2
Q103
B
(0)[3.1]
C
(3.1)[0]
E
0
Q104
B
(3.1)[0]
C
(0)[5.4]
E
0
Q111
B
0
C
0
E
0
Q200
B
2.0
C
0.1
E
0
Q201
B
31.2
C
31.9
E
31.9
Q202
B
8.9
C
0
E
8.8
Q206
B
2.5
C
0.1
E
0
Q601
B
0
C
(11.9)[11.6]
E
0
Q606
B
10.5
C
11.3
E
10.5
Q608
B
0
C
23.3
E
0
Q609
B
0.6
C
0
E
0
Q800
B
1.6
C
8.9
E
1.0
Q801
B
0.3
C
2.8
E
0
Q802
B
0
C
5.8
E
0
Q803
B
0
1.560Vp-p
14
C
78.5
E
0
Click on the first or last page to see other KV-AZ21M81 service manuals if exist.