Sony KD-28DX51E Service Manual ▷ View online
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- 41 -
~ VM Printed Wiring Board ~
~ C Printed Wiring Board ~
~ D2 Printed Wiring Board ~
A
B
C
D
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- 42 -
~ 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
10K
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-T-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
47k
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
500V
560pf
C1917
C1912
XX
C1911
1K
R1967
2W
RS
1K
R1969
1/4W
680k
R1909
1
2
3
4
6
T1901
XX
C1907
1
CN1809
DF
8.2M
R1956
135V
135V
9V
5
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
12P
CN1718
QP-
QP-
NC
NC
QP+
QP+
NC
NC
GND
GND
VM
VM
*
R1847
*
R1848
L1903
3W
RS
4.7k
R1918
VM
VM.-28/32DX51
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
VELOCITY MODULATION
50V
50V
DF/DQP
TIMING
*
*
10MH
*
*
*
TO NECK ASSY
+9V REG
XX
*
*
0.0022
630V
(DFT)
*
10MH
*
*
*
COMPARATOR
*
*
TO A BOARD
CN503
TO A BOARD
CN510
TO C BOARD
CN1802
2W
f
e
R
1
5
X
D
8
2
-
D
K
1
5
X
D
2
3
-
D
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
1
1
-
1
0
6
-
6
3
1
-
1
V
0
3
6
%
5
F
U
1
0
.
0
1
9
-
8
3
3
-
0
3
1
-
1
V
0
3
6
%
5
F
U
1
0
.
0
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
8
5
9
1
C
0
0
-
9
6
1
-
6
3
1
-
1
V
0
5
%
5
F
U
2
2
.
0
1
9
-
0
9
1
-
7
3
1
-
1
V
0
5
%
5
F
U
2
2
.
0
9
5
9
1
C
0
0
-
9
6
1
-
6
3
1
-
1
V
0
5
%
5
F
U
2
2
.
0
1
9
-
0
9
1
-
7
3
1
-
1
V
0
5
%
5
F
U
2
2
.
0
2
0
7
1
N
C
D
E
T
T
I
F
T
O
N
,
G
U
L
P
P
3
R
O
T
C
E
N
N
O
C
3
0
9
1
L
H
U
0
8
6
H
U
0
2
2
7
4
8
1
R
W
3
%
5
0
5
1
W
3
%
5
0
0
1
8
4
8
1
R
W
3
%
5
K
0
8
1
W
3
%
5
0
0
1
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
2
2
8
6
9
1
R
W
2
%
5
0
2
1
W
2
%
5
0
0
1
- 43 -
LM358N
LM393DT
LM393PS
LM393DT
LM393PS
5-4. SEMICONDUCTORS
TDA9394H/N1/5/0716
M24C32-WMN6T(A)
MC14053 BDR2
MC14053 BDR2
PQ05RF11
PQ3RF33
PQ3RF33
8
7
6
5
1
3
4
( TOP VIEW )
2
( TOP VIEW )
( MARKING SIDE VIEW )
64
41
1
24
80
65
25
40
MSP3411G-PP-B8V3
1
32
33
64
STR-L474-LF429
MCZ3001D
18
9
1
10
IN
GND
OUT
BA09T
SE-012N-LF4
SE-012N-LF4
PCF8593/T118
TLP721(D4-GR.T)
CXA1875AM-T4
( TOP VIEW )
1
8
16
9
UPC2405AHF
BU2515DX-127
FMW-2109LF654
BU2515DX-127
FMW-2109LF654
TSOP1740KS1
TDA7495S
TDA6108JF/NIB
1
10
TOP209P
PC123F2
NJM4556AD
LM2940T-9.0
8 PIN SOP
1
TOP VIEW
LA6393DLL
L78L33ABZ-AP
2SC3840(3)
2SC3840(3)
SE135N-LF4
1
2
3
1 V
OUT
2 V
IN
3 GND
7
1
STV9379A
- 44 -
1SS119-25
1SS133T-77
ERA38-06
FUF4005
HZS9.1NB2
MTZJ-4.7C
MTZJ-T-77-9.1A
MTZJ-33A
MTZJ-7.5B
P6KE200ASY
RD3.6ES-B2
RD5.1ESB2
RD5.6ESB2
RD6.8ES-B2
RD10ESB2
1SS133T-77
ERA38-06
FUF4005
HZS9.1NB2
MTZJ-4.7C
MTZJ-T-77-9.1A
MTZJ-33A
MTZJ-7.5B
P6KE200ASY
RD3.6ES-B2
RD5.1ESB2
RD5.6ESB2
RD6.8ES-B2
RD10ESB2
CATHODE
ANODE
2SA1162-G
2SA1037AK-T146
2SC1623-L5L6
2SC2412K-T-146-R
2SD601A-Q-TX
DTC114EKA-T146
DTC143TKA-T146
DTC144EKA-T-146R
2SA1037AK-T146
2SC1623-L5L6
2SC2412K-T-146-R
2SD601A-Q-TX
DTC114EKA-T146
DTC143TKA-T146
DTC144EKA-T-146R
C
B
E
2SA1175-HFE
E
LETTER SIDE
C B
2SB734-34
1
2
3
2SC2785-HFE
KRA104M-AT
KRA104M-AT
B
C
E
2SK2036(TE85L)
MA3047M-TX
MA3047M-TX
2SK2518-01MR
2SK2640-01MR-F122
2SK2640-01MR-F122
E
B
C
BAS316-115
DTZ-TT11-6.8B
MM3Z12VT1
MM3Z4V7T1
MM3Z6V8T1
MM3Z9V1ST1
PDZ9.1B-115
PDZ22B-115
UDZSTE-175.6B
DTZ-TT11-6.8B
MM3Z12VT1
MM3Z4V7T1
MM3Z6V8T1
MM3Z9V1ST1
PDZ9.1B-115
PDZ22B-115
UDZSTE-175.6B
CATHODE
ANODE
AG01ZV0
D2S4MF
D2S4MF
D4SB60L
~
~
+
–
~
~
+
–
DAN202K
2
1
3
1
3
2
EGP20G
EL1Z
ERC06-15S
GP08D
RJ43-LF-T2
RK34-LF-T2
RU-3AM
RU-4AM-T3
SARS01V0
EL1Z
ERC06-15S
GP08D
RJ43-LF-T2
RK34-LF-T2
RU-3AM
RU-4AM-T3
SARS01V0
CATHODE
ANODE
FBIU4D7M1-B-4
G2SBA60L-5700
G2SBA60L-5700
IRF614-037
IRF620
YG802C09RF122
IRF620
YG802C09RF122
B
C
E
L-59SRSGC-CC
RK46LFT2
1 2
3
2
UGB8BT-31
GBU4JL-6088
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