15/16) (Dc/Dc Converter 1) - Sony DSR-25 Service Manual

DSR-25
VD-032 (15/16) (DC/DC CONVERTER 1) • See page 4-103 for VD-032 printed wiring board.
1 2 3
VD-032 BOARD (15/16)
DC/DC CONVERTER 1
A
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
LND901
S_GND
B
LND900
S_GND
LND903
SHLD_GND
LND904
SHLD_GND
LND905
C
SHLD_GND
LND906
F901
SHLD_GND 0.8A/63V
86
F912
GND
0.8A/63V
VD-032 BOARD (14/16)
UNREG
D
R910
47k
R909
470k
R906
2k
E
R905
C908
39k R924
0.001u 33k
R914
10k
C906 R922
0.001u 33k
F
R915
10k
R916
47k
R934
100k
G
R941
100k
C907 R923
33k
220p
CL930
R980
10k
H
R912
100k
R946
I 10k
R938 C921
33k 0.001u
FB2
R907
57 15k
J
VD-032 BOARD (16/16)
R908
3900
IN4+
IN2-
R948 R950
39k 1k
K
111
VD-032 BOARD (12/16) MAIN_DD_ON
88
88-1
VD-032 BOARD (14/16) 88-2
90 90-1
L
VD-032 BOARD (16/16) -4V_H.Ph.OUT4
+5V_CM_OUT2
05
VD-032 (15/16)
4 5 6 7
F911
1A/63V
F906
0.8A/63V
F905
XX
F904
0.8A/63V
F903
0.8A/63V
R940 C969
XX 0.1u
C930
R936 C918
R929 2.2u
XX 2.2u
10k 35V
20V
C914 L903
XX 10uH
R926
XX
0 1 1 0 1
12.4
12 11 10 9 8 7 6 5 4 3 2 1
C932
2.2u
35V
1
0.7 8.9
CL961
0.5
0.5 12.4
IC900
0.7
0
IC900
FA3675F
7.2
1 12.3
1 9.5
0.8
0.5
R911
100k
25 26 27 28 29 30 31 32 33 34 35 36
0.5 0 3 3 3 3 2.6
R1925
C1909
33k
0.001u
C920
R960 R959 R958 C931
1u 1u
3.3M 3.3M 3.3M
16V
35V
C926 R918 0
0.1u
L905 R967
10uH 100
R1911 0
47k R983
220k
R1912
Q938
390k
2SK3018-T106
8.8
4-67
8 9 10 11 12
Q914
CPH6302-TL
5
FB900
4 6
1
12.4 0.1
2 D905
RB051L-40TE25
C941 3
C935 L904
22u
0.1u
22uH
20V 8.9
Q915
CPH6302-TL
5
FB904
4
6
1
12.4 2 5.1
C942 3
C936
22u
0.1u
20V D902
7.4
RB051L-40TE25
Q917 FB906
XX XX
C945
C939
XX
XX
50V
D904
XX
Q928
CPH3304-TL
FB908
12.4 5.1
7.5
C988 C989
0.1u 47u
25V
D907
RB051L-40TE25
Q916
CPH6302-TL
5
FB910
4 6
1
12.4 3
2
C937 C943 3
0.1u 22u 9.5
D903
20V
RB051L-40TE25
13 14 15 16
CL926
C948 C1936
C954
22u 4.7u
4.7u
20V
L919
10uH
L920
10uH
CL935
C964
C967
10u
10u
20V 20V
C965
C963 C999
10u
10u 47u
20V 6.3V
20V
L916
10uH
CL933
F914
1.4A/24V
L906 L915
CL927 10uH
22uH
JS1986
0
D921
MA112-TX
C949 C955 C1942
4.7u 4.7u L1984
22u
10uH
20V
L913
L910
XX CL931 XX
L928
10uH
C953 C1944
C959
XX XX XX
50V
C968
C980
10u
20V
L918
L927
CL959 10uH
47uH
C975
D919
10u
MA112-TX
20V
C990
C991 C1946
47u
4.7u 4.7u
25V
L922
10uH
D926
01ZA8.2(TPL3)
L923
XX
L908 L921
10uH
47uH CL929 CL936
C950 C1947
C956 L901
22u 4.7u
4.7u 56uH
20V
C901 C976 C970 C971
C904
100u 10u XX 10u
4.7u
6.3V 20V 20V 20V
D927
01ZA8.2(TPL3)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
4-68
17 18 19
2
VIDEO_-5V
VD-032 BOARD (1/16)
GND
43
VIDEO_+5V
VD-032 BOARD (4/16)
GND
49
VIDEO_+5V VD-032 BOARD (5/16)
VIDEO_+5V
50
VIDEO_-5V
VD-032 BOARD (6/16)
GND
52
VIDEO_+5V
VD-032 BOARD (7/16)
GND
VIDEO_+5V
66
VIDEO_-5V
VD-032 BOARD (9/16)
GND
VIDEO_-5V
67
GND
VD-032 BOARD (10/16)
VIDEO_+5V
81
EVR_+3V
VD-032 BOARD (12/16)
CN904 9P
CL940
1 SW +6V
CL941
2 EVR +3V
CL942
3 VIDEO +5V
CL943
JC-21 BOARD (14/14)
4 SW +3V
CN1100
CL944
5 GND
THROUGH THE
CL945
JD-054 HARNESS
6 VIDEO -5V
CL946
(SEE PAGE 4-37)
7 AUDIO +5V
8 AUDIO GND
CL948
9 AUDIO -5V
39
VIDEO_+5V
VD-032 BOARD (14/16)
10u
SW_+3V
20V
CN905 8P
CL951
1 N.C.(SW +3V)
2 GND
CL953
3 CM REG 5V
CM-59 BOARD (1/3)
4 CM REG 5V CN100
CL955
L926
THROUGH THE
5 UNREG
10uH
CD-116 HARNESS
6 UNREG
CL957 (SEE PAGE 4-71)
7 GND
8 GND
C983
10u
25V
11
SW_+3V VD-032 BOARD (1/16)
36
SW_+3V VD-032 BOARD (3/16)
60
SW_+3V VD-032 BOARD (7/16)
82
SW_+3V VD-032 BOARD (12/16)
58
PANEL_3.2V VD-032 BOARD (7/16)
SW_+6V 91
VD-032 BOARD (16/16)
75
GND
AUDIO+5V
VD-032 BOARD (11/16)
AUDIO_-5V
SW_+3V 18
GND VD-032 BOARD (2/16)
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.