Sony KV-BT21M50 Service Manual ▷ View online
– 47 –
KV-BT21M50/BT21M80/BT21M81
RM-W101
RM-W100
A BOARD
✽ MARK LIST
KV-BT21M50
KVBT21M80
KV-BT21M81
R9044
XX
470
XX
R9045
XX
100
XX
R9046
XX
2.2K
XX
R9047
XX
10K
XX
R9050
0 :CHIP
XX
0 :CHIP
R9051
XX
0 :CHIP
XX
R9060
XX
0 :CHIP
XX
Note: The parts indicated as "XX" in this circuit diagram are
not listed here, as they are not used for these models.
not listed here, as they are not used for these models.
– 48 –
KV-BT21M50/BT21M80/BT21M81
RM-W101
RM-W100
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
(3.4)[3.3]
10
*
11
*
12
(0)[1.7]
13
(1.3)[2.5]
14
(2.5)[5.0]
15
(4.2)[2.0]
16
2.0
17
2.3
18
(0)[1.9]
19
2.3
20
2.3
21
(3.4)[4.0]
880.0mVp-p
PAL
2
1.0Vp-p
NTSC
2
22
1.6
1.92Vp-p
3
23
2.0
2.0Vp-p
4
24
(2.0)[1.1]
25
2.0
26
2.4
27
2.0
28
(0.5)[0]
29
(2.0)[0.2]
30
0.2
31
3.0
32
0.4
33
(1.1)[0]
34
2.2
35
2.2
36
(2.1)[3.3]
37
3.3
38
(2.3)[0]
39
2.5
40
0
41
(0)[2.0]
42
(0)[2.0]
43
(0.4)[1.6]
44
(1.0)[0]
45
(1.1)[8.4]
46
0
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
A BOARD VOLTAGE LIST AND WAVEFORM
47
(1.3)[4.2]
48
(1.2)[1.3]
2.24Vp-p
PAL
5
2.00Vp-p
NTSC
5
49
(1.2)[2.2]
50
(1.2)[2.2]
51
(1.2)[1.3]
52
0
53
1.5
54
2.0
55
1.4
56
(0)[2.2]
57
2.1
58
2.1
59
1.5
60
(7.4)[6.4)
61
(7.5)[6.4]
62
3.3
63
3.3
64
(1.4)[1.3]
65
(3.3)[3.4]
66
0.4
5.52Vp-p
7
67
(0.4)[1.4]
3.10Vp-p
8
68
0
69
5.0
70
(1.2)[1.3]
71
(0)[1.3]
72
1.3
73
2.0
74
1.7
75
1.2
76
0
77
(1.3)[4.2]
78
1.3
79
1.3
80
1.3
81
0
82
(4.2)[5.0]
83
2.1
84
(2.0)[3.1]
85
1.6
2.6Vp-p
PAL
9
3.0Vp-p
NTSC
9
86
(1.2)[1.3)
2.0Vp-p
10
87
2.0
2.4Vp-p
PAL
11
2.6Vp-p
NTSC
11
88
3.3
89
0
90
3.3
91
1.6
92
0
93
1.7
94
3.3
95
0
96
(0.6)[1.7]
97
3.1
98
(0.7)[0.4]
99
(3.3)[0.3]
100
(1.4)[1.7]
101
0
102
3.3
103
0.2
104
(2.3)[2.4]
105
2.7
106
(0.7)[0.2]
107
3.3
108
(3.1)[4.2)
109
4.0
110
3.3
111
4.2
112
0.6
113
(0.5)[0.2)
114
0.4
115
0.3
116
(0.6)[0.3]
117
2.0
118
0
119
(0.1)[0.4]
120
4.1
121
0
122
0
123
3.3
4-4. VOLTAGE LIST AND WAVEFORM
– 49 –
KV-BT21M50/BT21M80/BT21M81
RM-W101
RM-W100
124
1.7
125
0
126
3.3
127
(0.5)[3.1]
128
(0)[3.2]
IC002
VCC
3.3
OUT
3.1
GRN
0
IC003
1
0
2
0
3
0
4
0
5
4.0
6
4.2
7
0
8
3.3
IC200
1
2.0
2
(1.3)[1.5]
3
2.0
4
0.0
5
0.0
6
(0.5)[1.6]
7
10.1
8
0.7
9
0
10
21.0
11
10.5
12
*
IC601
1
0.5
2
0.5
3
(294)[284]
4
(3.2)[20.7]
5
1.0
IC602
I
10.3
G
9.1
O
0
IC603
I
3.3
G
0
O
1.7
IC604
I
9.1
G
0
O
5.0
IC605
1
134
2
21.2
3
0
IC606
I
2.4
G
0
O
3.3
IC607
1
3.3
2
0
3
(3.3)[0]
4
1.7
5
(1.3)[0.2]
IC800
1
5.7
2
5.0
3
5.0
4
0
5
4.6
6
4.6
7
4.6
8
10.3
IC801
1
2.3
2
0.8
3
1.5
4
0
5
2.7
6
2.3
7
6.0
8
9.0
IC802
1
3.5
2
3.2
3
3.2
4
0
5
4.0
6
4.0
A BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
7
(0.5)[4.0]
8
9.1
IC803
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
IC804
1
0.4
664.0mVp-p
PAL
17
744.0mVp-p
NTSC
17
2
13.6
3
-12.0
4
-13.0
5
(0.2)[-14.1]
51.2Vp-p
16
6
14.01
7
0.4
PH600
1
24.0
2
22.5
3
0.4
4
2.9
Q001
B
0
C
(3.4)[1.7]
E
0
Q006
B
3.3
C
(1.0)[2.0]
E
2.0
Q007
B
0
C
3.3
E
0.2
Q008
B
(-1.6)[-1.7]
C
-0.3
E
1.7
Q009
B
(1.3)[*]
C
(1.4)[*]
E
2.1
Q010
B
3.4
C
0
E
4.1
Q012
B
0.6
C
(0.2)[0.13]
E
0
Q013
B
0.5
C
1.7
E
0.1
Q014
B
0
C
0
E
0
Q016
B
0
C
0
E
0
Q100
B
3.01
C
9.0
E
(2.0)[2.2]
Q101
B
0
C
9.0
E
0.5
Q102
B
3.06
C
(2.3)[2.1]
E
9.0
Q103
B
3.3
C
(3.2)[0.1]
E
0
Q104
B
(1.3)[0.1]
C
0
E
0
Q105
B
(9.0)[2.0]
C
(0.4)[1.7]
E
0
Q106
B
*
C
*
E
*
Q111
B
(0.5)[-1.8]
C
(0.7)[-1.7]
E
(0.9)[-3.3]
Q200
B
1.9
C
0.6
E
0
Q201
B
20.2
C
20.6
E
20.6
Q202
B
9.0
C
0.1
E
8.9
Q204
B
0
C
(0)[9.0]
E
0
Q205
B
1.4
C
*
E
1.4
Q601
B
0.4
C
10.3
E
0
Q605
B
24.1
C
(20.0)[199.0]
E
24.0
Q606
B
*
C
24.1
E
21.0
Q608
B
0.2
C
20.2
E
0
Q609
B
0.7
C
0.3
E
0
Q800
B
(1.7)[0.3]
C
(8.2)[9.0]
E
1.1
Q801
B
0.5
C
1.4
E
0
Q802
B
0.3
C
4.2
E
0
Q803
B
(-0.4)[-4.0]
C
5.4
164.0Vp-p
14
E
-0.5
Q804
B
134
C
0
E
134
– 50 –
KV-BT21M50/BT21M80/BT21M81
RM-W101
RM-W100
A BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q814
B
0.7
C
5.0
E
2.0
Q816
B
*
C
(-6.0)[-2.5]
E
0
Q900
B
1.3
C
(0)[1.2]
E
(0)[2.1]
Q901
B
-0.5
C
(-4.2)[1.5]
E
0
Q902
B
0
C
-1.7
E
0
Q903
B
0
C
0
E
0
Q904
B
0
C
0
E
0
Q905
B
0
C
0
E
0
Q906
B
0
C
0
E
0
Q907
B
0
C
0
E
0
Q805
B
-9.2
334.0Vp-p
13
C
134
E
0.1
Q806
B
6.0
C
9.0
E
6.0
Q807
B
6.0
C
0
E
(5.0)[6.1]
Q808
S
0
9.20Vp-p
15
G
6.0
D
(13.2)[14.4]
Q809
B
*
C
*
E
*
Q810
B
(2.0)[0.6]
C
(2.0)[0.5]
E
(1.7)[1.9]
Q908
B
0
C
0
E
0
Q909
B
0
C
0
E
0
Q910
B
2.26
C
(4.3)[5.1]
E
1.7
Q911
B
5.1
C
(9.0)[4.9]
E
4.5
Q912
B
0.1
C
0.5
E
0
Q8009
B
196
C
199
E
197
Q8010
B
0.5
C
0.9
E
0.3
DY800
2.0Vp-p
10
IC751
1
1.8
1.88Vp-p
PAL
1
2.0Vp-p
NTSC
1
2
1.7
1.55Vp-p
2
3
1.8
2.0Vp-p
3
C BOARD VOLTAGE LIST AND WAVEFORM
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
4
0
5
5.1
6
(196)[195]
7
(137)[133]
138.0Vp-p
PAL
4
152.0Vp-p
NTSC
4
8
152
106.0Vp-p
PAL
5
94.0Vp-p
NTSC
5
9
(138)[136]
126.0Vp-p
PAL
6
142.0Vp-p
NTSC
6
Q701
B
(5.0)[6.0]
C
0
E
1.2
J751
G1-1
0.6
G1-2
0.6
G1-3
0
G2
(288)[285]
H1
0
H2
0
KB
(138)[137]
KG
151.3
KR
(137 )[133]
Click on the first or last page to see other KV-BT21M50 service manuals if exist.