Power Block Diagram - Sony MVC-FD75 Service Manual

3-7. POWER BLOCK DIAGRAM

CD-338 BOARD FC-86 BOARD
CN401 CN101
CAM –5.5V
IC401
12 5
CAM 15V
CCD IMAGER
9 8
(SEE PAGE 4-8)
IC404
HALL AMP
(SEE PAGE 4-17)
LENS UNIT
IRIS
MOTOR
CN401
TEMP DRIVE(+)
1
SENSOR
TEMP OUT
16
FOCUS ZOOM
SENSOR SENSOR
Q401
SENS VCC
20
CN910
REG 5V
3
D 3.2V
10
FLASH
UNREG1
UNIT F901 F904
(FLASH)
13
F903
F902
BT901
BATTERY
TERMINAL
CN901 LF901
+ BATT UNREG
1 LINE FILTER
BATT SIG
2
S
BATT/XEXT
4
BATT GND
–
3
IC702
HI CONTROL
(SEE PAGE 4-24)
DC PACK SW 65
Q701, 702
BATTERY
BATT SI 48
CHARGE
BATT SO 49
DETECTOR
BATT SENS 71
IC701
INITIAL RESET,
BACKUP VCC
(SEE PAGE 4-23)
D703
L701
42 51
6 VOUT
BACKUP VCC 75 – 77
86 87
VIN 7
VBAT 3
XDRY BATT 72 8 VRO
XRESET 38 5 RESET
BATT IN 61 4 CS D701
XLI PRE END 69 2 PREEND
SYS DD ON 29
LCD DD ON
LCD DD ON 47
CAM DD ON
CAM DD ON 37
05
IC102
IC103
S/H AGC,
TIMING
IC401 A/D CONVERTER
GENERATOR
(SEE PAGE 4-11)
IRIS DRIVE (SEE PAGE 4-11)
FB102
(SEE PAGE 4-17)
L101 FB104
L403
L404
IC301
EVR
DATA DECODER
IC403 IC402
(SEE PAGE 4-17)
L401
FOCUS/ZOOM FOCUS/ZOOM
CONTROL DECODER MOTOR DRIVE
(SEE PAGE 4-18) (SEE PAGE 4-17)
L301
L902
L901
CAM P 5V
Q906
SWITCHING
18 VCC VCC OUT 45
L905
OUT A 46
(P5V)
6 –IN A +IN A 7
SPC A 8
D904
RECT
IC901
T901
Q907
DC CONTROL
4 5
(SEE PAGE 4-25) SWITCHING
3
6
D905
RECT
2
1 8
OUT B 44
(CAM15V)
11 –IN B +IN B 12
SPC B 13
Q908
SWITCHING
L903
4.9V
OUT C 40
(4.9V)
25 +IN C –IN C 25
SPC C 24 Q909
SWITCHING
L904
D 3.2V
OUT D 39
(3.2V)
30 +IN D –IN D 31
SPC D 29
19 V REF 2.5V
20 POWER CONT
21 CTL B RT 16
22 CTL C, D CT 17
3-13
Q101 – 104
IC104
Y/C
CAM DD ON
PROCESSOR
(SEE PAGE 4-12)
L102
D 3.2V
Q918, 922, 928, 929
–5.5V
REGULATOR
IC703 IC705
V REF 2.5V
EEPROM OSD
(SEE PAGE 4-24) (SEE PAGE 4-24)
A 4.9V
D 3.2V
D706
SELF TIMER
FDD P 5V
Q911 Q916, 920, 924, 925
EMERGENCY
DETECT
Q917, 921, 926, 927
LCD DD ON
6.5V
REGULATOR
L909
Q915
Q913
EMERGENCY
DETECT
Q919, 923, 930
REGULATOR
L906
Q914
Q910, 912
L910
LCD DD ON
V REF 2.5V
L908 L801
IC801
D 4.9V
FDD CONTROL WRITE GATE
(SEE PAGE 4-19) (SEE PAGE 4-19)
IC803
SHOCK SENSOR SHOCK SIG DET.
(SEE PAGE 4-20) (SEE PAGE 4-20)
IC501 IC503 IC601 IC804
16M DRAM DRC D/A CONVERTER BUS BUFFER
(SEE PAGE 4-14) (SEE PAGE 4-13) (SEE PAGE 4-15) (SEE PAGE 4-20)
L501 L601 L802
PK-59 BOARD
IC601
FDD INTERFACE
CN602 CN603
BEEP 15V (SEE PAGE 4-31)
31 30 BEEP 15V
L601
1 BL UNREG 60
• •
2 59
Q856
L851
SWITCHING
Q851, 852
33 FDD P 5V 28
IC851
• •
34 27
DC/DC CONTROL
(SEE PAGE 4-39)
PANEL 13.2V
13.2V
6 55
REGULATOR
L901
PANEL 6.5V
9 52
D904
PANEL –15.3V
–15.3V
8 53
35 A 4.9V 26
• •
36 25
A 4.9V
23 38
L903
PANEL 4.9V
5 56
PANEL 3.2V
7 54
L802
IC802
L801
IC805
LI 3V
BH701
29 32
+
BATTERY
LITHIUM
–
HOLDER
BATTERY
3-14 E
MVC-FD75
IC806 IC807
SYSTEM CONTROL FLASH MEMORY
(SEE PAGE 4-21) (SEE PAGE 4-22)
CN601
FDD 5V(A)
4
9 FDD 5V
•
10
FLOPPY DISK
DRIVE UNIT
CN602
COMMON
3
COMMON
8
CN802
CPC
UNREG
10
(FOR CHECK)
CN851
T851
ND801
INVERTER 18
BL HIGH
• BACK
TRANS
19
LIGHT
Q862
LED
D901
5
LED
IC852
PANEL
CURRENT DETECT
UNIT
(SEE PAGE 4-40)
CN901
VGH/VGH
24
LCD901
IC902
2.5inch
VCO, COM AMP
COLOR
(SEE PAGE 4-35)
LCD
MONITOR
VCC
22
VSS
16
VGL VGL
15
GENERATOR
VB12
VB12
6
GENERATOR
VSH
13
VSH
23
IC901
LCD TIMING
GENERATOR
(SEE PAGE 4-35)
IC903
SWITCH
(SEE PAGE 4-35)
IC802
LCD DRIVE
(SEE PAGE 4-34)
IC801
RV701 RV701
EVR
ZOOM ZOOM
(SEE PAGE 4-33)
W W T T
D701
ACCESS
D702
FLASH
CHARGE