MVC-FD73
3-3
3-4E
3-2.
POWER BLOCK DIAGRAM
(ORIGINAL : PAGE 3-16 – 3-18)
: Point added parts
: Points changed parts
2
1
8
7
6
5
3
4
2
1
3
4
2
1
8
7
6
5
3
4
2
1
F CHG
ADJ LEVEL
STRB ON
STB FULL
KEY AD3
FOCUS B
FOCUS A
STB CHANGE
7
8
9
12
4
5
13
FLASH
UNIT
BATTERY
TERMINAL
MF
BLOCK
F CHG
FLASH ADJ
STRB ON
STB FULL
KEY AD3
FOCUS B
FOCUS A
STB CHG
53
32
85
73
70
93
IC503
IC702
IC702
IC702
IC702
IC702
6
IC301
11
IC301
TO CAMERA BLOCK
(SEE PAGE 3-5)
TO MODE CONTROL BLOCK
(SEE PAGE 3-11)
TO FDD INTERFACE BLOCK
(SEE PAGE 3-7)
F501
F503
F504
FLASH UNREG
MAIN UNREG 1
MAIN UNREG 2
BL UNREG
46
8
10
13
44
18
45
5
Q906
SWITCHING
Q907
SWITCHING
L905
L902
L901
27
24
40
Q908
SWITCHING
L903
L908
L906
32
29
30
20
21
22
Q909
SWITCHING
L904
4
5
6
8
1
3
2
T901
DC/DC
CONV.TRANS
D904
D905
L909
VCC
VCC OUT
FBA
OUT A
SCP A
FB B
SCP B
OUT B
FB C
SCP C
OUT C
FB D
SCP D
OUT D
POW CONT
CTL B
CTL C,D
P5V
CAM 15V
4.9V
3.2V
IC901
SWITCHING
REG CONTROL
EMERGENCY
DET
Q911
Q918, 922, 928, 929
EMERGENCY
DET
Q913
D4.9V
D3.2V
A4.9V
L907
37
IC702
29
IC702
47
IC702
SYS DD ON
LCD DD ON
CAM DD ON
TO
MODE CONTROL BLOCK
(SEE PAGE 3-11)
CAM -7.5V
CAM 15V
REGULATOR
Q916, 920, 925, 924
Q917, 921, 926, 927
REGULATOR
Q919, 923, 930
Q914
SW
Q915
SW
Q912
SW
L910
Q101-104
CAM DD ON
PANEL 13.2V
PANEL 6.5V
PANEL -15V
PANEL 4.9V
REGULATOR
REGULATOR
D703
UNREG2
D 3.2V
D 4.9V
1
20
8
5
CN401
CN401
9
12
UNREG
BL UNREG
IRIS
MOTOR
FOCUS
SENSOR
ZOOM
SENSOR
IC401
CCD IMAGER
CD-227 BOARD
(SEE PAGE 4-6)
TG
IC103
D 3.2V
SENCE VCC
CAM P 5V
FDD P 5V
P 5V
15V
4.9V
FC-69 BOARD
(SEE PAGE 4-13, 15, 18, 21, 26, 29, 34)
8.5V
15V
Q910
SW
LENS UNIT
09
F502
Refer To MODE CONTROL BLOCK
(SEE PAGE 3-12)
FU-134 BOARD
(SEE PAGE 4-6)
BATT/XEXT
BATT SIG
(SEE PAGE
ππ
): Pages on the original service manual.