DOWNLOAD Sony KV-AW21M50 Service Manual ↓ Size: 12.64 MB | Pages: 84 in PDF or view online for FREE

Model
KV-AW21M50
Pages
84
Size
12.64 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-aw21m50.pdf
Date
PREV: Sony KV-SZ29M80 (serv.man2) Service Manual

Sony KV-AW21M50 Service Manual ▷ View online

– 47 –
KV-AW21M50/M80/M80/H/M81/P50
RM-GA002
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
4-3-8. C Board Schematic Diagram
2kV
4700p
E
C752
0.0022
B:CHIP
C782
1
1P
CN705
GND
1SS133T-77
D780
1SS133-77
D781
L750
XX
22uH
L780
        XX
Q701
XX
R777
R766 XX
R767 XX
R768 XX
R784
XX
R785
XX
R786
XX
DTZ5.6B
CLAMP
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
XX
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
HSS82-TJ
PROTECTOR
D756
HSS82-TJ
PROTECTOR
D755
  HSS82-TJ
PROTECTOR
D754
R774
150
3W
RS
1/2W
100
R783
R713
0
C783
XX
B:CHIP
1
CN704
1P
1000V
0.47
R794
PG102R
PROTECTOR 
D750
1/2W
470k
R780
1
2
3
4
5
6
7
GND
B
G
R
GND
1K
9V
1000p
B
C786
500V
1000p
C787
2W
RS
R781
0.56
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
 C789 XX
1/2W
100
R765
1/2W
FPRD
100k
R795
XX
 L781
 L782 XX
L783 XX
XX
R775
  JW1750
XX
9
8
7
6
5
4
3
TDA6108AJF/N2
      RGB
   IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
 
 
C753
0.001
+200V
R-OUT
R-IN
+9V
FV
RCV
H
KG
G2
CV KR G1 G4 HV
KB
A51LPT70X
PICTURE TUBE
1
2
3
4
5
6
J751
XX
WHT
5P
CN703
TO A BOARD
(004)
CN801
7P
CN701
WHT
TO A BOARD  
(001)
CN004
1000V
200V
9V
9V
C 
(VIDEO AMP)
   B-BX1S13422-ME.-C..-AW21M81
CHIP
SOCKET  CRT
500V
1
1P
CN706
GND
R796
22
3
4
5
6
7
8
9
10
11
13
1
1
GND
GND
J752
SOCKET CRT
145158911
– 48 –
KV-AW21M50/M80/M80/H/M81/P50
RM-GA002
4-3-9. H1 Board Schematic Diagram
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
RN
220
R002
RN
470
R004
RN
680
R005
RN
1k
R006
RN
1 . 5 k
R007
1
2
3
CN001
TO A(001) BOARD
NC
GND
KEY
S001
S002
S003
S004
S005
S006
S007
RN
100
R001
RN
330
R003
H1 BOARD
SOUND  MODE
WEGA. GATE
VIDEO IN
VOL -
VOL +
PROGRAM -
PROGRAM +
B-BX1S13422-ME.-H1-AW21M81
FRONT PANEL
157219811 157219811 157219811157219811157219811 157219811
157219811
CN005
XX
– 49 –
KV-AW21M50/M80/M80/H/M81/P50
RM-GA002
Ref
Pin No.
Voltage[v]
IC001
1
0
2
0
3
*
4
3.2
5
3.2
6
0
7
3.2
8
0
9
3.2
10
*
11
*
3.440Vp-p
PAL
1
3.820Vp-p
NTSC
1
12
0
13
0.1
14
2.4
15
4.8
16
1.8
17
2.2
18
0
19
2.2
20
2.2
21
3.8
920.0mVp-p
PAL
2
2.760Vp-p
NTSC
2
22
1.5
1.920Vp-p
PAL
3
1.880Vp-p
NTSC
3
23
1.6
2.040Vp-p
PAL
4
2.000Vp-p
NTSC
4
24
1.8
25
1.8
26
*
27
*
28
0
29
1.8
30
1.8
31
4.5
32
0.4
33
0
34
2.1
35
2.1
36
3.4
37
3.4
38
2.2
39
2.4
40
0
41
1.8
42
1.7
43
0
44
4.0
45
8.4
46
2.2
47
4.7
48
1.3
2.400Vp-p
PAL
5
2.480Vp-p
NTSC
5
49
2.1
50
2.1
51
1.3
52
1.5
53
2.1
54
2.1
55
1.4
56
2.1
57
2.1
58
1.3
59
1.5
60
3.4
61
3.4
62
3.6
63
0
64
1.3
65
0.2
392.0mVp-p
PAL
6
332.0mVp-p
NTSC
6
66
0
5.520Vp-p
PAL
7
5.440Vp-p
NTSC
7
67
1.4
3.520Vp-p
PAL
8
3.440Vp-p
NTSC
8
68
0
69
1.2
70
1.2
71
1.2
72
1.2
73
1.9
74
1.6
75
0
76
0
77
0.1
78
0
79
1.2
80
1.2
81
0
82
0
83
1.8
84
3.2
85
1.4
2.320Vp-p
PAL
9
2.200Vp-p
NTSC
9
A BOARD VOLTAGE LIST AND WAVEFORM
4-4.
VOLTAGE MEASUREMENT AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
– 50 –
KV-AW21M50/M80/M80/H/M81/P50
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORM
86
1.6
2.080Vp-p
PAL
10
2.040Vp-p
NTSC
10
87
1.7
3.280Vp-p
PAL
11
3.080Vp-p
NTSC
11
88
3.2
89
0
90
3.2
91
1.5
92
0
93
1.5
94
3.2
95
0
96
1.8
97
2.9
98
0.4
99
3.2
100
1.8
101
0
102
3.2
103
0
104
2.3
105
2.5
106
0
107
3.2
108
3.6
109
3.3
110
3.2
111
4.8
112
0
113
0
114
0
115
0
116
0.1
117
1.8
118
1.8
119
3.2
120
2.9
121
0
122
0
123
3.2
124
1.8
125
0
126
3.2
127
0.5
128
0
IC002
V
3.1
G
0
O
2.9
IC003
1
0
2
0
3
0
4
0
5
3.3
6
3.7
7
3.2
8
3.2
IC200
1
12.7
2
0
3
25.9
4
0
5
0
6
0
7
12.7
8
0.5
9
0
10
26.7
11
11.1
12
12.8
IC602
I
11.9
O
8.9
G
0
V
2.2
IC603
1
3.9
2
1.9
3
0
4
2.3
IC604
I
8.9
G
0
O
4.9
IC605
V
134.3
G
0
O
25.2
IC606
VCC
27.4
GND
0
OUT
3.2
IC801
1
2.1
2
0.7
3
1.5
4
0
5
3.1
6
2.1
7
6.0
8
8.8
IC802
1
(3.0)[3.3]
2
3.1
3
3.1
4
0
5
(3.3)[3.5]
6
(3.3)[3.5]
7
4.5
8
8.9
IC804
1
0.3
648.0mVp-p
PAL
17
800.0mVp-p
NTSC
17
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
2
13.4
3
(–12.1)[–11.9]
4
–13.4
5
0.2
50.40Vp-p
16
6
(13.5)[13.8]
7
0.3
Q006
B
3.2
C
1.9
E
1.9
Q007
B
0
C
3.1
E
0.1
Q008
B
(-1.3)[-1.1]
C
(0.4)[0.8]
E
0
Q009
B
0
C
(3.1)[2.9]
E
0
Q010
B
0.2
C
0
E
0.9
Q016
B
2.4
C
0
E
0
Q100
B
4.5
C
8.8
E
3.9
Q104
B
3.1
C
2.3
E
8.7
Q200
B
2.0
C
0
E
0
Q201
B
26.0
C
26.8
E
26.8
Q202
B
8.9
C
0
E
8.8
Q204
B
5.2
C
8.6
E
4.6
Q205
B
2.7
C
5.2
E
2.1
Q206
B
2.5
C
0.1
E
0
Q601
B
0
C
12.0
E
0
Q608
B
0
C
23.4
E
0
Q609
B
0.6
C
0
E
0
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