Sony KV-21LS30B Service Manual ▷ View online
27
28
CVM
[
R,
G,
B OUT
, VELOCITY MODULA
TION,
R
O
T
A
TION COIL
]
o
N
f
e
R
o
N
ni
P
)
V(
e
g
atl
o
V
1
0
8
1
CI
13
.
1
23
.
1
34
.
1
51
.
4
61
.
4
70
.
7
80
.
8
IC V
olta
g
e
T
a
b
le
C board Waveforms
20us/div
1.88 Vp-p (H)
TP3
20us/div
1.88 Vp-p (H)
TP2
20us/div
74 Vp-p (H)
TP5
20us/div
74 Vp-p (H)
TP6
20us/div
1.76 Vp-p (H)
TP7
10us/div
1.77 Vp-p (H)
TP1
20us/div
TP4
74 Vp-p (H)
TP4
f
e
R
)
e(
)
b(
)
c(
f
e
R
)
e(
)
b(
)
c(
f
e
R
)
e(
)
b(
)
c(
1
0
7
Q2
.
4
2
18
.
4
2
12
0
26
0
7
Q5
.
71
.
80
.
5
2
12
1
7
Q8
.
5
2
14
.
6
2
19
.
1
0
2
2
0
7
Q3
.
20
.
35
.
77
0
7
Q6
.
4
2
18
.
5
2
15
.
53
1
7
Q0
.
3
3
14
.
2
3
19
.
1
0
2
3
0
7
Q5
.
71
.
86
.
1
3
18
0
7
Q5
.
31
.
25
.
75
1
7
Q3
.
2
3
15
.
1
3
11
.
8
4
0
7
Q1
3
14
.
2
3
12
.
59
0
7
Q5
.
71
.
83
.
3
2
16
1
7
Q8
.
5
2
10
.
5
2
11
.
8
5
0
7
Q5
.
21
.
35
.
70
1
7
Q0
.
3
2
13
.
4
2
15
.
57
1
7
Q2
.
4
2
14
.
3
2
11
.
8
Semiconductor V
oltage
T
a
b
le
E
D
OI
D
3
1
0
D1
-
M3
M3
0
1
D1
-
E6
E6
3
2
D3
-
D1
D1
1
4
D3
-
C4
C4
2
4
D2
-
M5
M5
0
5
D2
-
M8
M8
3
5
D6
-
E2
E2
1
6
D5
-
G5
G5
2
6
D6
-
H
H
R
O
T
SI
S
N
A
R
T
2
3
5
Q4
-
D9
D9
0
6
Q6
-
J4
0
0
CI2
-
H
H
1
0
0
D2
-
I6
1
0
D2
-
J4
0
1
D2
-
E9
E9
3
2
D3
-
D2
D2
1
4
D3
-
D7
D7
2
4
D4
-
A6
A6
0
5
D4
-
D9
D9
3
5
D5
-
B3
B3
1
6
D6
-
J7
2
6
D7
-
K3
K3
1
0
Q3
-
I3
3
5
Q6
-
A0
A0
1
2
1
Q3
-
H1
H1
0
4
CI3
-
I
2
0
0
D3
-
I8
1
0
D3
-
I5
0
1
D1
-
A2
A2
0
4
D3
-
E3
E3
1
4
D3
-
C8
C8
2
4
D3
-
C7
C7
0
5
D2
-
M1
M1
4
5
D5
-
F4
1
6
D8
-
K8
K8
2
6
D7
-
L4
1
0
Q1
-
L5
3
5
Q4
-
B1
B1
1
2
1
Q3
-
H1
H1
0
5
CI0
1
-
E
E
3
0
0
D2
-
K0
K0
2
0
D8
-
M6
M6
0
1
D1
-
B3
B3
0
4
D2
-
B4
B4
1
4
D2
-
B9
B9
2
4
D3
-
D2
D2
1
5
D8
-
D3
D3
7
5
D5
-
F5
1
6
D5
-
H9
H9
2
6
D7
-
L9
4
0
Q3
-
J1
0
6
Q5
-
K0
K0
3
2
1
Q3
-
B1
B1
3
5
CI4
-
F
4
0
0
D4
-
M1
M1
2
0
D2
-
L7
L7
0
1
D2
-
B4
B4
0
4
D3
-
I8
1
4
D3
-
B5
B5
3
4
D2
-
A3
A3
1
5
D9
-
D1
D1
0
6
D9
-
I8
1
6
D6
-
H1
H1
3
6
D7
-
L2
0
2
Q3
-
E2
E2
0
6
Q5
-
G1
G1
3
2
1
Q3
-
B1
B1
0
6
CI0
1
-
F
6
0
0
D8
-
M2
M2
2
0
D2
-
J7
0
2
D3
-
F5
0
4
D2
-
B9
B9
1
4
D2
-
E6
E6
3
4
D2
-
A4
A4
1
5
D9
-
C2
C2
0
6
D5
-
J9
1
6
D6
-
H2
H2
3
6
D5
-
K3
K3
0
2
Q2
-
F3
0
6
Q5
-
G2
G2
3
2
1
Q3
-
B2
B2
0
6
CI7
-
F
7
0
0
D1
-
K5
K5
3
0
D3
-
K0
K0
1
2
D5
-
I6
0
4
D2
-
B0
B0
2
4
D2
-
B1
B1
0
5
D9
-
D4
D4
3
5
D5
-
E4
E4
0
6
D9
-
F0
2
6
D5
-
M3
M3
3
6
D5
-
L2
1
2
Q5
-
I4
0
6
Q5
-
H3
H3
3
2
1
Q2
-
C4
C4
0
6
CI5
-
H
H
8
0
0
D3
-
L6
3
0
D3
-
K1
K1
1
2
D5
-
I7
0
4
D2
-
B1
B1
2
4
D2
-
C2
C2
0
5
D9
-
D5
D5
3
5
D6
-
E8
E8
0
6
D8
-
F1
2
6
D5
-
J8
3
6
D6
-
I1
0
4
Q1
-
C6
C6
0
6
Q0
1
-
G
G
S'
CI
8
0
6
CI5
-
L
0
1
0
D2
-
G1
5
0
D3
-
L2
1
2
D5
-
I8
0
4
D2
-
B2
B2
2
4
D2
-
C3
C3
0
5
D2
-
I6
3
5
D6
-
B0
B0
1
6
D5
-
J2
2
6
D7
-
H0
H0
4
6
D5
-
L9
0
4
Q1
-
G7
G7
0
6
Q9
-
G1
G1
0
0
CI2
-
K9
K9
0
6
CI6
-
L
1
1
0
D2
-
F1
0
1
D1
-
B8
B8
2
2
D4
-
E0
E0
1
4
D2
-
C3
C3
2
4
D2
-
C4
C4
0
5
D2
-
I7
3
5
D4
-
C1
C1
1
6
D5
-
G3
G3
2
6
D5
-
J1
1
4
Q2
-
D8
D8
0
6
Q6
-
J2
0
0
CI8
-
M1
M1
0
2
1
CI4
-
H
H
29
30
NO
TE:
P
o
rtions of the cir
cuit marked as sho
wn are high
v
olta
g
e
areas.
Use care to pre
vent electric shoc
k
during inspection or repair
.
A
[
PRINTED
WIRING BO
ARD
]
Semiconductor Location
T
a
b
le
AB
CD
E
F
G
HI
J
K
L
M
1
2
3
4
5
6
7
8
9
1
0
IC V
olta
g
e
T
a
b
le
o
N
f
e
R
o
N
ni
P
)
V(
e
g
atl
o
V
o
N
f
e
R
o
N
ni
P
)
V(
e
g
atl
o
V
1
0
0
CI
10
1
0
0
CI
7
68
.
4
22
.
38
64
.
0
39
.
29
60
50
0
70
60
.
21
70
83
.
22
70
90
.
83
71
.
7
0
10
.
54
70
.
5
2
10
5
71
.
8
3
10
6
75
.
3-
4
10
.
47
70
6
14
.
18
72
.
3
7
15
.
19
72
.
3
8
10
0
80
9
10
1
0
5
CI
13
.
0
0
28
.
33
6.
2
1-
1
28
.
35
2.
0
2
20
.
56
9.
3
1
6
20
7
3.
0
8
25
.
3
1
3
5
CI
14
.
1
9
26
.
32
3.
2
0
39
.
13
8.
1
1
33
.
05
4.
2
2
36
.
36
6.
1
4
39
.
17
4.
6
5
34
.
1
1
0
6
CI
14
.
0
8-
6
39
.
32
5.
0
8-
8
38
.
13
2.
0
8-
0
43
.
34
2.
0
8-
2
43
.
35
5.
1
8-
3
44
.
16
6.
1
8-
5
40
7
8.
7
7-
6
40
9
8.
1
8-
7
46
.
30
16
7-
8
48
.
21
19
.
1
8-
9
43
.
22
14
.
9
7-
0
52
.
04
15
.
6
1
1
55
.
25
11
1
2
55
.
26
14
.
4
1
3
55
.
28
14
.
6
8
4
51
.
2
1
0
2
1
CI
11
1
5
52
.
53
9.
4
6
50
.
35
0
7
51
.
36
0
8
51
.
37
3.
1
1
9
52
.
39
3.
0
2
60
0
10
3
60
2
10
4
60
4
15
3.
1
1
5
60
Semiconductor V
oltag
e
T
a
b
le
f
e
R
)
e(
)
b(
)
c(
f
e
R
)
e(
)
b(
)
c(
3
1
0
Q0
7.
00
4
0
6
Q0
0
5.
2
6
1
0
Q0
0
3.
38
0
6
Q0
0
6.
5
2
1
2
Q0
7.
00
9
0
6
Q6
.
56
.
50
1
0
4
Q8
.
42
.
48
.
1
1
1
4
Q1
.
17
.
12
.
4
f
e
R
)
s(
)
g(
)
d(
1
0
6
Q6
.
58
.
43
.
56
0
6
Q9
.
0
15
.
4
17
.
6
8
2
0
6
Q2
.
4
11
.
58
7
0
6
Q4
.
2
8-9
.
9
7-9
.
0
1
3
0
6
Q8
8
0
5
3
5
Q0
5.
22
.
5
9
31
32
33
A
[ PO
WER SUPPL
Y
, DEFLECTION,
A
UDIO AMPLIFIER (P
a
g
e 1/2) ]
KV
-21LS30
[9-927-402-01]
A
[ PO
WER SUPPL
Y
, DEFLECTION,
A
UDIO AMPLIFIER (P
a
g
e 2/2) ]
34
35
36
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