DSR-11
3-9
3-10
3-5. POWER BLOCK DIAGRAM 1
DC IN
J102
F101
F103
F102
2
1
3
2
1
3
UNREG 12V (2)
UNREG 12V (1)
UNREG 12V (3)
GND
CN1
CN102
IC301
DC/DC
CONVERTER
(SEE PAGE 4-90)
11
12
5
6
Q302
SWITCHING
Q301
OSC SW
Q402
SWITCHING
Q401
OSC SW
IC401
DC/DC
CONVERTER
(SEE PAGE 4-90)
11
12
5
6
D401
Q702
B–
SWITCHING
Q704 (1/2)
B+
SWITCHING
D302
ZD302
D402
ZD402
ZD702
Q202
SWITCHING
Q201
OSC SW
IC201
DC/DC
CONVERTER
(SEE PAGE 4-90)
11
12
5
6
D202
D102
ZD202
ZD102
Q102
SWITCHING
Q101
OSC SW
IC101
DC/DC
CONVERTER
(SEE PAGE 4-90)
11
12
5
6
Q704 (2/2)
B+
SWITCHING
Q701
EMERGENCY
DETECT
Q703
B+
SWITCHING
Q706, 707,
Q709
POWER
CONTROL
L302
L401
L101
L604
L203
L303
L601
L603
L103
L205
L405
L306
JA-006 BOARD
(SEE PAGE 4-85)
DC-1492 BOARD
1
3
4
5
7
1
2
3
4
6
8
1
3
4
5
6
1
2
A
M906
FAN MOTOR
HD-024BOARD
CN100
POWER 2
SEE PAGE 3-11
B
VD-031 BOARD
CN602
POWER 3
SEE PAGE 3-13
C
HD-024 BOARD
CN601
POWER 2
SEE PAGE 3-11
CN3
CN2
CN4
CN5
3V
5V
UNREG 12V
UNSW 6V
UNSW 3.1V
SW 3.1V
VIDEO –5V
AUDIO –5V
UNSW 6V
UNSW 3V
SW 5V
SW 3V
UNSW 12V
P/CONT
SW 12V
05
4
5
4
5
IC801
REF. VOLTAGE GENERATOR
(SEE PAGE 4-89)
R
K
A
FB301
L202
FB201
L102
FB101
FB401
L305
L204
L602
L307
L304
L403
L404
Q705, 708