Power Block Diagram 1 - Sony DSR-25 Service Manual

3-7. POWER BLOCK DIAGRAM 1

( ): Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
POWER BLOCK (ACS1581-MA)
~
AC IN
CN101 D101
F101
AC H
1
AC L
2
L101, 102
Q101
6 5 3
IC101
1 2 4
PWM
3
M907
FAN MOTOR
CN1983
L1983
FAN +12V Q1981, 1982
1
B+ SW
IC716 L1982
Q603, 604
MOTOR DRIVE
B+ SW
(VD-032 (12/16))
L1981
55
FAN ON
56
IC713
29
HI CONTROL
(VD-032 (12/16))
90
L711
65
7
IC703
2
COMPARATOR
3
(VD-032 (12/16))
1
CN707
POWER3 BACK UP +3V
IC706
A
30 6
(3-17)
REG BACK UP
8
(VD-032 (12/16))
LITHIUM
BATTERY
CN702
L702
25 HI UNSW 5V
27
L705
POWER2 14 REF 3.2V
B
(3-15)
15
L701
SW 2.8V
21
23
L710
SW +3V
05
CN201 CN1984
T101
FB202 L202
D201 1 1
+12.4V
6 11 2 2
FB201 3 3
10
4
4 4
GND
5 5
6 6
2
Q201
9
CURRENT DET
1 8
D203
IC102
IC201
1
VOLTAGE/
2 1 CURRENT 5
CONTROL
F1983
F1982
Q901
F1981
B+ SW
F910
Q923, 930, 940, 941
VOLTAGE CONTROL
D909 – 914
Q919, 925
SWITCH
MAIN DD ON
Q934, 937
B+ SW
IC710
3 2
+5V REG
(VD-032 (12/16))
IC709
Q708
3 2
+5V REG
B+ SW
(VD-032 (12/16))
7
3
IC705
3 2
+3.6V REG
(VD-032 (12/16))
BT701
IC717
2 1
+5V REG
(VD-032 (12/16))
IC712
3 2
+3.2V REG
(VD-032 (12/16))
3-13
VD-032 BOARD (1/2)
F1985
F911
F1984
F906
F904
F903
F912
F902
F913
Q914
SWITCHING
46
35
16
44
L905
L903
Q915
1
SWITCHING
41
22
IC900
DC
F901 CONTROL
(VD-032 (15/16))
Q916
SWITCHING
39
14
31
ı
Q921
34
SWITCHING
40
Q938
24
EMERGENCY 27
DETECT
Q928
L907
SWITCHING
1 43
12
L909
35
44
Q926
Q939 SWITCHING
46
EMERGENCY 27
DETECT
16
IC902
31
DC
ı
CONTROL
33
(VD-032 (16/16))
Q927
SWITCHING
41
22
Q929
SWITCHING
40
25
Q933
SWITCHING
39
14
D926 – 929
OVER VOLTAGE
DETECT
UNSW +6V
HI UNSW 5V
EVR +3V
DIG +5V
SW +3V
+12V UNSW
CN905
L926
UNREG
CM REG 5V
Q902 – 904
DISCHARGE (AC OFF) L916
F914
VIDEO +5V
IC903
L920
VIDEO –5V
DISCHARGE (AC OFF)
(VD-032 (14/16))
AUDIO –5V
AUDIO +5V
CN1627
FB900 D905 L928
A –5V
A +5V
CN904
FB904
L906
AUDIO –5V
L1984 AUDIO +5V
L919 VIDEO –5V
L915 VIDEO +5V
SW +3V
SW +6V
EVR +3V
L922
FB910
L908 L921
SW +3V
L901
PANEL 3.2V
CN1628
FB914 D906 L902
HP –4V
HP +4V
FB908
L927 L918
L935
–15V
FB912
Q1999
+4V REG
FB916 L930 L934
DIG +5V
FB918 L931 L914
FB920 L932 L929
UNSW +6V
CP CLOCK
HI UNSW 5V
EVR +3V
3-14
DSR-25
POWER2
1
(3-15)
5
6
POWER4
C
(3-19)
3
4
2
3
POWER2
(3-15)
4
5
CN102
11 11
IC101
10 10
AMP
JK-216 BOARD
9
7
6
POWER3
3 D
(3-17)
4
1
2
6
POWER2
(3-15)
7
CN301
6 3
IC301
8 1
HP AMP
HP-135 BOARD
8
9
POWER2
(3-15)
10
11
12
13