![Sony KV-28HX15U Service Manual Download Page 37](http://html.mh-extra.com/html/sony/kv-28hx15u/kv-28hx15u_service-manual_1330635037.webp)
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 37 -
~ VM Board Schematic Diagram [ Velocity Modulation ] ~
~
VM Board Difference Table
~
25V
100
C1701
10uH
L1701
25V
100
C1704
9V
8
7
6
5
4
3
2
1
LM358N
IC1902
50V
3300p
C1953
1SS133
D1909
R1955
CHIP
220k
10
C1952
CHIP
330k
R1954
9V
CHIP
10k
R1957
*
R1960
XX
C1955
33k
R1961
CHIP
33k
R1962
25V
0.01
B
C1954
CHIP
270k
R1953
10
C1951
CHIP
100
R1964
2SC2412K-T-146-R
Q1906
CHIP
3.9k
R1959
CHIP
470
R1965
50V
10
C1957
R1966
XX
2SB734-34
Q1907
CHIP
100
R1958
C1958
C1959
L1959
400V
0.082
C1845
C1848
*
630V
0.015
C1844
EL1Z
D1840
S
IRF620
Q1841
1/10W
100
R1842
2SA1175-HFE
Q1840
CHIP
2.2k
R1846
10mH
L1843
8
7
6
5
4
3
2
1
LA6393DLL
IC1901
1SS133
D1902
CHIP
220
R1908
1
2
3
CN1702
GND
NC
+15V PULSE
2SC2412K-T-146-R
Q1901
*
R1901
XX
R1902
1SS133
D1901
R1926
CHIP
10k
R1903
9V
50V
100p
C1901
CHIP
10k
R1904
50V
0.047
C1902
CHIP
100k
R1907
CHIP
10k
R1906
CHIP
100k
R1905
RN-CP
10k
R1919
CHIP
0
R1920
25V
0.01
B
C1906 R1916
CHIP
56k
R1917
R1931
2.2k
R1914
CHIP
4.7k
R1915
C1916
2SC2412K-T-146-R
Q1902
CHIP
1k
R1913
50V
10
C1903
2200p
C1904
0.047
C1905
1SS133
D1903
1M
R1912
10k
R1911
1SS133
D1904
CHIP
0
R1910
RD15ESB2
D1905
2SC3840(3)
Q1903
ERA38-06TP1
D1906
ERA38-06TP1
D1907
1N4937RL
D1908
630V
0.022
C1915
CHIP
100k
R1923
CHIP
100k
R1924
CHIP
100k
R1925
L1901
C1914
C1913
R1921
*
C1917
C1912
XX
C1911
*
R1967
*
R1969
1/4W
680k
R1909
1
2
3
4
6
T1901
XX
C1907
1
CN1809
DF
8.2M
R1956
135V
135V
9V
*
FB1701
1uH
L1902
160V
0.47
C1908
R1968
VCC
GND
OUT
BA09T
IC1701
C1732
R1922
1
3
4
5
6
7
8
9
10
9P
CN1701
+135V
VM VCC
NC
GND
LOW B
NS CORRECT
VM OUT
V_PULSE
MAGENTA
1
2
3
WHT
3P
CN1901
CY-
NC
CY+
150uH
L1904
50V
MPS
0.22
C1918
JW1902
5MM
1
2
3
RED
3P
CN1902
LOW_B
GND
V_PULSE
1
2
3
4
5
6
7
8
9
10
11
12
*
CN1718
QP-
QP-
NC
NC
QP+
QP+
NC
NC
GND
GND
VM
VM
*
R1847
*
R1848
L1903
3W
RS
4.7k
R1918
VM
VM.-28/32HX15
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
VELOCITY MODULATION
50V
50V
DF/DQP
TIMING
0.22
0.22
10MH
*
*
*
TO NECK ASSY
+9V REG
*
*
*
0.0022
630V
(DFT)
*
10MH
*
*
*
COMPARATOR
*
*
TO A BOARD
CN503
TO A BOARD
CN510
TO C BOARD
CN1802
TO DY
f
e
R
5
1
X
H
8
2
-
V
K
5
1
X
H
2
3
-
V
K
2
3
7
1
C
0
P
I
H
C
T
R
O
H
S
V
5
2
%
0
1
F
U
1
0
.
0
8
4
8
1
C
V
0
3
6
%
5
F
U
1
0
.
0
V
0
3
6
%
5
F
U
7
4
0
0
.
0
2
1
9
1
C
D
E
T
T
I
F
T
O
N
V
0
0
5
%
0
1
F
P
0
0
1
4
1
9
1
C
V
0
0
5
%
0
1
F
P
0
3
3
V
0
0
5
%
0
1
F
P
0
2
2
6
1
9
1
C
V
6
1
%
0
1
F
U
1
V
0
5
%
0
1
F
P
0
7
4
7
1
9
1
C
V
0
0
5
%
0
1
F
P
0
7
4
V
0
0
5
%
0
1
F
P
0
3
3
2
0
7
1
N
C
D
E
T
T
I
F
T
O
N
P
3
8
1
7
1
N
C
P
2
1
P
8
1
0
7
1
B
F
D
E
T
T
I
F
T
O
N
R
E
P
M
U
J
,
D
A
E
L
M
M
5
3
0
9
1
L
H
U
0
2
1
H
U
7
4
7
4
8
1
R
W
3
%
5
0
0
1
W
3
%
5
6
5
8
4
8
1
R
W
3
%
5
0
0
1
W
3
%
5
6
5
1
0
9
1
R
D
E
T
T
I
F
T
O
N
W
0
1
/
1
%
5
K
7
4
6
1
9
1
R
W
0
1
/
1
%
5
.
0
K
7
.
4
W
0
1
/
1
%
5
.
0
K
9
.
3
1
2
9
1
R
W
3
%
5
K
8
.
6
W
3
%
5
K
7
.
4
2
2
9
1
R
W
3
%
5
K
2
.
2
W
3
%
5
K
5
.
1
6
2
9
1
R
0
P
I
H
C
T
R
O
H
S
D
E
T
T
I
F
T
O
N
1
3
9
1
R
W
0
1
/
1
%
5
.
0
K
7
2
W
0
1
/
1
%
5
.
0
K
8
1
0
6
9
1
R
W
0
1
/
1
%
5
K
0
1
W
0
1
/
1
%
5
.
0
K
8
.
6
7
6
9
1
R
W
2
%
5
K
1
W
2
%
5
0
2
8
8
6
9
1
R
1
2
-
4
6
5
-
3
4
2
-
1
W
2
%
5
0
0
1
1
1
-
6
8
8
-
5
1
2
-
1
W
2
%
5
0
0
1
9
6
9
1
R
W
2
%
5
K
1
W
2
%
5
0
2
8