DSR-50/50P
3-19
3-20
3-10. POWER BLOCK DIAGRAM 1
44
27
35
1
27
44
35
1
14
39
25
40
22
41
16
46
16
46
14
39
25
40
13
43
22
41
19
45
30
30
34
19
45
VD-28 BOARD (1/2)
VL-26 BOARD
(SEE PAGE 4-70)
JK-169 BOARD (1/2)
(SEE PAGE 4-132)
2
1
26
25
2
1
2
1
2
1
2
1
F911
F905
F904
F912
F903
F906
F902
F913
F901
F900
CN902
CAMERA UNREG +12V
GND
CN903
CN801
CN102
CN026
CN706
CN901
CN9901
CN900
CAMERA
BREAKER OUT
BREAKER IN
VL BATT 3V
BATTRY 12V
BATTRY 12V
SELECTED 12V
VL BATT GND
GND
GND
CB101
(BREAKER)
BT801
BT901
BATTERY
TERMINAL
3
3
2
2
IC705
IC712
IC713
+5V
REG
+3.6V
REG
(SEE PAGE 4-97)
2
3
IC909
+5V
REG
(SEE PAGE 4-100)
IC900
DC
CONTROL
(SEE PAGE 4-101)
IC709
HI CONTROL
(SEE PAGE 4-98)
IC902
DC
CONTROL
(SEE PAGE 4-103)
IC704
REG,
RESET
(SEE PAGE 4-97)
IC706
EEPROM
(SEE PAGE 4-97)
IC901
–5V
REG
(SEE PAGE 4-102)
(SEE PAGE 4-97)
BATT DET
(SEE PAGE 4-97)
DC IN 12V
1
2
3
4
5
6
Q900, 901
B+ SW
Q919, 925
SWITCH
Q934, 937
B+ SW
05
Q909
ON/OFF SW
Q922
B+ SW
Q907, 908
SWITCH
Q935, 936
SWITCH
Q903, 905
B+ SW
Q910
ON/OFF SW
Q708
B+ SW
Q906, 913, 918, 923, 924
Q930, 931, 940 – 943
VOLTAGE CONTROL
D910 – 914
F910
D909
D908
Q911
SWITCHING
Q917
SWITCHING
Q915
SWITCHING
Q928
SWITCING
Q916
SWITCHING
Q914
SWITCHING
Q926
SWITCHING
Q927
SWITCHING
Q929
SWITCHING
Q933
SWITCHING
D915
D905
7
3
6
8
D915
Q912
SWITCHING
Q921
SWITCH
L935
L928
3
1
D901
Q920
SWITCH
29
55
11
6
7
AUDIO +5V
SW +6V
SW +3V
EVR +3V
AUDIO –5V
VIDEO +5V
VIDEO +5V
VIDEO –5V
2
4
1
13
11
12
3
30
9
3
7
H
6
5
G
4
F
E
D
3
2
1
CN904
L919
L921
L920
L933
L701
L702
L922
F915
F914
5
6
7
8
17
27
VD-28
BOARD (2/2)
JC-20 BOARD
CN1100
VD-28
BOARD (2/2)
JK-169
BOARD (2/2)
CN104
VD-28
BOARD (2/2)
HP-117 BOARD
CN301
JK-169
BOARD (2/2)
CN105
PD-125 BOARD
CN8002, CN8001
VD-28
BOARD (2/2)
A
5
6
3
4
CM-59 BOARD
CN100
B
JC-20 BOARD
CN6001
1
2
4
5
6
7
C
FR-157 BOARD
CN502
21
22
18
19
16
17
24
25
SW +3V
SW +3V
SW –5.5V
SW –6V
SW –6V
SW +6V
SW +6V
UNREG
SW +5.5V
SW –6V
SW +3V
SW +6V
EVR +3V
BACK UP +3V
DIG +5V
UNREG
UNREG
CM REG 5V
LCD 4.6V
ORG 12V
SW +48V
LCD +3.0V
VIDEO –5V
CN603
CN601
CN604
CN331
CN333
CN701
CN703
CN905
L703
D716
D717
2
1
+
–
LITHIUM
BATTERY
POWER5
SEE PAGE 3-27
POWER3
SEE PAGE 3-23
POWER6
SEE PAGE 3-29
POWER5
SEE PAGE 3-27
POWER6
SEE PAGE 3-29
POWER4
SEE PAGE 3-25
POWER6
SEE PAGE 3-29
POWER3
SEE PAGE 3-23
POWER2
SEE PAGE 3-21
POWER2
SEE PAGE 3-21
POWER2
SEE PAGE 3-21
POWER2
SEE PAGE 3-21