
DSR-50/50P
4-101
4-102
DC/DC CONVERTER 1
VD-28 (14/15)
VD-28 (DC/DC CONVERTER 1) SCHEMATIC DIAGRAM
• See page 4-71 for VD-28 printed wiring board.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une piéce portant le numéro spécifié.
NO MARK:REC/PB MODE
0
0
0.5
13.5
10.2
0.1
0
0
12.3
13.5
0
12.4
0.3
8.7
13.5
5.1
5.1
13.5
8.7
5.1
10.4
13.5
13.5
10.8
3
-5.4
-4.9
0.8
9.8
0
0
0.3
2.9
2.9
0
0.8
0.7
1
0.6
0.6
0
2.2
1
1
0.8
1
1
2.2
1.3
1
2.2
2.2
1
0
2.2
0.9
1
13.5
10.2
0
13.5
8.7
10.4
10.8
8.7
2.6
13.5
2.9
2.9
2.9
2.9
0.2
2.2
0.7
0
1
D901
SB02-09CP-TB
C950
20V
22u
C943
20V
22u
C944
25V
47u
Q920
2SK1764KYTR
C938
0.1u
C937
0.1u
C951
50V
33u
C952
50V
33u
C936
0.1u
C949
20V
22u
C942
20V
22u
C948
20V
22u
C935
0.1u
C941
20V
22u
L902
100uH
F906
630mA/24V
630mA/24V
F905
1.4A/24V
F904
630mA/24V
F903
L920
10uH
L921
10uH
L924
100uH
C967
20V
10u
C976
20V
10u
C973
50V
22u
C954
4.7u
C955
4.7u
C956
4.7u
C957
0.1u
C958
0.1u
8P
CN905
1
SW +3V
2
GND
3
CM REG 5V
4
CM REG 5V
5
UNREG
6
UNREG
7
GND
8
GND
R954
1M
R956
100k
C933
0.1u
1.4A/24V
F911
SW_+48V
5V
VIDEO_-5V
SW_+3V
C968
20V
10u
C979
20V
10u
C980
20V
10u
C963
20V
10u
C945
50V
22u
C959
4.7u
L916
10uH
C953
50V
22u
C939
0.1u
630mA/24V
F901
C964
20V
10u
C965
20V
10u
L922
10uH
L923
10uH
C970
20V
10u
C971
20V
10u
C975
20V
10u
UN9113J-(K8).SO
Q907
50V
22u
C974
220k
R939
10uH
L900
10uH
L915
10uH
L918
CL942
CL943
CL944
CL945
CL946
CL948
CL951
CL953
CL955
CL935
CL933
CL936
CL926
CL927
CL929
CL930
CL931
CL939
9P
CN904
1
SW +6V
2
EVR +3V
3
VIDEO +5V
4
SW +3V
5
GND
6
VIDEO -5V
7
AUDIO +5V
8
AUDIO GND
9
AUDIO -5V
EVR_+3V
CL941
CL940
2SC4081T106R
Q922
560
R971
50V
22u
C982
50V
22u
C981
LND900
S_GND
560
R968
XX
R972
LND901
S_GND
4.7u
C991
CL959
50V
33u
C989
0.1u
C988
25V
47u
C990
47uH
L927
CL928
R911
1800
R912
22k
220k
R983
LND903
SHLD_GND
LND904
SHLD_GND
LND905
SHLD_GND
LND906
SHLD_GND
CPH6302-TL
Q911
2
3
4
1
6
5
22k
R980
CPH6302-TL
Q914
2
3
4
1
6
5
CPH6302-TL
Q915
2
3
4
1
6
5
CPH6302-TL
Q916
2
3
4
1
6
5
CPH3304-TL
Q928
22uH
L904
22uH
L906
47uH
L908
100uH
L910
20V
10u
C983
C932
35V
2.2u
C912
XX
R922
33k
R946
10k
R940
1k
R942
1k
C925
0.1u
R906
1k
R949
12k
R909
470k
16V
1u
C931
C915
XX
C907
220p
R935
1k
C923
0.1u
R905
39k
10uH
L905
R916
47k
C918
20V
2.2u
XX
C917
C906
0.001u
R936
39k
R937
1k
C924
XX
IC900
FA3675F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
XX
C903
C922
0.1u
R938
33k
R917
1k
R908
3900
XX
C902
100k
R934
XX
C905
C926
0.1u
C908
0.001u
C919
0.1u
10uH
L903
C921
0.001u
R915
10k
R907
15k
C909
0.01u
XX
C904
C929
100p
R924
33k
C913
XX
R926
33k
R914
10k
R928
330k
R925
33k
100k
R941
R931
330k
0.01u
C927
C910
XX
C914
0.001u
R950
1k
R927
390k
R944
1k
R933
360k
20V
2.2u
C920
C911
XX
0
R918
R923
33k
R948
39k
R929
10k
C916
0.1u
R945
1k
XX
C928
R910
47k
C930
35V
2.2u
0.1u
C969
CL938
10uH
L933
20V
10u
C984
LCD_+3V
L919
10uH
10uH
L913
10uH
L928
2SK3018-T106
Q909
UN9213J-(K8).SO
Q908
NJU7211U50-TE1
IC901
1
2
3
CL957
CPH3304-TL
Q917
FB900
FB902
FB904
FB906
FB908
FB910
3.3M
R958
MA112-TX
D919
MA112-TX
D920
MA112-TX
D921
MA112-TX
D922
01ZA8.2(TPL3)
D926
01ZA8.2(TPL3)
D927
2SK3018-T106
Q938
3.3M
R960
3.3M
R959
RB051L-40TE25
D905
RB051L-40TE25
D902
RB051L-40TE25
D904
RB051L-40TE25
D907
RB051L-40TE25
D903
1.4A/24V
F914
1.4A/24V
F915
630mA/24V
F912
10uH
L926
MA112-TX
D930
MA112-TX
D931
560
R970
560
R969
0.033u
C987
6.3V
47u
C999
100
R967
4.7u
C1936
0.1u
C1938
0.1u
C1940
4.7u
C1942
4.7u
C1944
4.7u
C1946
4.7u
C1947
GND
UNREG
+48_DD_ON
88-1
MAIN_DD_ON
90-1
1
A
GND
88-2
SW_+3V
SW_+3V
SW_+3V
SW_+3V
SW_+3V
SW_+3V
GND
GND
5V
GND
VIDEO_-5V
5V
VIDEO_-5V
GND
5V
GND
5V
VIDEO_-5V
5V
GND
GND
SW_+6V
AUDIO_-5V
IC901
2
16
L
I
K
12
G
6
8
D
E
VD-28 BOARD (14/15)
B
7
05
19
15
13
10
17
11
C
H
F
3
18
J
14
9
4
5
IC900
JC-20 BOARD (14/14)
CN1100
CM-59 BOARD (1/3)
CN100
-REF.NO.:10,000 SERIES-
DC/DC CONVERTER 1
(SEE PAGE 4-45)
VJ-106 HARNESS
THROUGH THE
THROUGH THE
VC-58 HARNESS
(SEE PAGE 4-105)
11
VD-28 BOARD (1/15)
36
VD-28 BOARD (3/15)
VD-28 BOARD (7/15)
58
82
VD-28 BOARD (12/15)
75
VD-28 BOARD (11/15)
VD-28 BOARD (7/15)
60
44
VD-28 BOARD (5/15)
91
VD-28 BOARD (15/15)
18
VD-28 BOARD (2/15)
2
VD-28 BOARD (1/15)
VD-28 BOARD (4/15)
43
VD-28 BOARD (11/15)
74
VD-28 BOARD (5/15)
49
50
VD-28 BOARD (6/15)
52
VD-28 BOARD (7/15)
VD-28 BOARD (9/15)
66
67
VD-28 BOARD (10/15)
81
VD-28 BOARD (12/15)
VD-28 BOARD (11/15)
69
83
VD-28 BOARD (12/15)
VD-28 BOARD (15/15)
90
VD-28 BOARD (13/15)
88
86
VD-28 BOARD (13/15)