Vm Board Schematic - Sony TRINITRON KD-28DX50U Service Manual

A B C
VM..-28/32DX50
1
2
3
4
CN1701
5 9P
MAGENTA
V_PULSE
VM OUT
NS CORRECT
TO A BOARD (3/4)
LOW B
CN510
GND
NC
FB1701
VM VCC
135V
6
135V
7
8
CN1702
*
15V PULSE 3
TO A BOARD (2/4)
NC 2
CN503
GND 1
9
10
~ VM Board Schematic Diagram [ Dynamic Focus and DQP ] ~
11
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D E F
R1955 R1954
220k 330k
CHIP
CHIP
9V
C1952
D1909
10
1SS133
50V
C1953
R1953
0.0033
270k
50V
CHIP
R1956
C1951 8.2M
10
50V
4 3 2 1
R1957
IC1902
10k R1965
C1957
LM358N
CHIP 470
10
OP AMP
CHIP
50V
5 6 7 8
R1960
*
R1958
100
R1964
C1955 Q1906
CHIP
XX 100
2SC2412K-R
CHIP
BUFFER
C1954
R1961 R1959
0.01 R1962
33k 3.9k
25V 33k
CHIP
B CHIP
R1848
*
9V
L1843
10mH
R1847 D1840
R1846
* EL1Z
2.2k
CHIP
R1842
100 Q1841
1/10W IRF620
Q1840
CHIP O/P AMP
2SA1175-HFE
O/P AMP
R1700
XX
R1703 R1705
XX XX
Q1701
XX
R1707
L1701 XX
C1703
10uH
R1718
OUT XX
VCC XX
Q1702
GND
C1704
XX
C1702 R1702
25V
XX
IC1701 XX
100
BA09T C1701 R1704 L1704
100
XX XX
9V 25V
R1701
5 R1706
XX
XX
R1739 L1702
C1706
XX
XX
XX
VMVCC
JR1702
XX
L1902
1uH
135V
C1908
0.47
160V
9V
R1905
100k
CHIP
R1906
10k
CHIP
R1907
100k
R1903 CHIP
10k
CHIP
C1902
R1904
0.047
10k
R1926 50V
CHIP C1904
* PT
R1908
0.0022
220
PT
CHIP
Q1901 C1901
100p
R1901 2SC2412K-R
50V D1902
*
CH 1SS133
R1902
D1901
XX 4 3 2 1
1SS133
IC1901
LA6393DLL
R1920 R1913
0 5 6 7 8 1k
CHIP CHIP
R1919
C1907 10k
XX RN-CP
R1914
2.2k
R1915
4.7k
R1931 R1917
C1906 R1916
* 56k 0.01
*
25V
CHIP
B C1916
*
G H I
VM
DYNAMIC FOCUS AND DQP
R1968
100
2W
RS
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
R1966
*
Q1907
2SB734-34
AMP L1959
*
C1958 C1959
0.22 0.22
MPS MPS
C1845
0.082
400V
PP
C1844
C1848
0.015
*
630V
PP
S
9V
R1715
C1709
XX
D1702 XX
XX
R1723
R1717
XX
D1701
XX R1716 C1712
XX XX
9V
R1719
9V R1724
XX
JR1701 C1710 D1719
XX XX
XX
L1703
C1707
XX
XX R1725
R1720
XX
R1710 R1712
XX C1705
XX
XX
C1722
Q1703
XX
R1721
R1709
Q1704 Q1705 XX
XX
XX C1713
XX
XX
R1708
C1708
XX
XX
C1711
D1722
D1711
R1714 XX XX
XX
XX
R1727
R1713
R1722
R1711
XX
XX XX
R1728
R1969
R1967
R1909 R1910 2.7k
2.7k T1901
680k 0 3W
3W
*
1/4W CHIP C1911 RS
RS
RN XX
3 4
C1917
2
D1904
470p C1912
1SS133
500V 1 6
*
B
R1912
1M
R1918
D1903 R1911
R1921
10k 4.7k
1SS133
3W *
CHIP
RS
C1905
0.047
C1913
PT
0.0022u
630V
R1922
*
C1903 L1901
C1914
10 10mH
50V *
D1908
RU-3AM
C1915
D1906 R1923
0.022
100k
ERA38-06TP1
D1907 630V
CHIP
ERA38-06TP1 PT
R1924
100k
Q1903 CHIP
2SC3840(3)
AMP
D1905 R1925
100k
RD15ESB2
CHIP
Q1902
2SC2412K-R
AMP
- 43 -
J K L
VMVCC
C1723 C1721
XX
XX
XX
R1733
XX
R1729
XX
Q1707
XX CN1718
C1733 8P
XX
D1733 XX
XX 1 Q.P.-
Q1706 2 Q.P.-
XX
3 Q.P.+
Q1708
XX 4 Q.P.+
C1732 TO NECK ASSY
* 5 E
XX
6 E
7 VM
R1736 R1735 C1737
8 VM
XX XX XX
XX
R1737
XX
R1726
XX
Q1711
Q1709
XX
XX
D1734
XX
C1734
R1732 Q1710
XX
XX XX XX R1734
XX
C1728
XX
XX
CN1809
TO A BOARD (2/4)
1 DF
CN509
M N
~ ~
VM Board Difference Table
R f e K D 2 - 8 D X 5 0 K D 3 - 2 D X 5 0
C 1 7 3 2 0 0 0 . 1 U F
C 1 8 4 8 0 0 . 0 4 7 U F 0 0 . 1 U F
C 1 9 1 2 1 0 0 P F N O T F T I T E D
C 1 9 1 4 3 3 0 P F 2 2 0 P F
C 1 9 1 6 1 U F 4 7 0 P F
C N 1 7 0 2 N O T F T I T E D P L U G , 3 P
L 1 9 5 9 2 2 M H 1 0 M H
R 1 8 4 7 N O T F T I T E D 8 2
R 1 8 4 8 1 0 0 8 2
R 1 9 0 1 N O T F T I T E D 4 7 K
R 1 9 1 6 4 7 . K 3 9 . K
R 1 9 2 1 6 8 . K 4 7 . K
R 1 9 2 2 2 2 . K 1 5 . K
R 1 9 2 6 0 N O T F T I T E D
R 1 9 3 1 4 7 K 3 9 K
R 1 9 6 0 1 0 K 6 8 . K
R 1 9 6 6 N O T F T I T E D 1 0 0
1 4 - 3 3 4 - 8 9 1 - 1 1 4 - 3 3 8 - 4 9 1 - 2
T 1 9 0 1 T a r n f s r o m e , r T a r n f s r o m e , r
F e i r r e t ( H D ) T F e i r r e t ( D F ) T