Power Block Diagram (2/2) - Sony MVC-FD85 Service Manual

MVC-FD85/FD90

3-4. POWER BLOCK DIAGRAM (2/2)

FC-72 BOARD
ST UNREG
BATT SIG
D402
ACV UNREG
3.2V
2 3
REG
D401
BATT UNREG
IC401
(4-21)
BATT/XEXT
DC PACK SW
FAST CHARGE ON
INIT CHARGE
CONTENUDE ON
(SEE PAGE
3-6)
BL UNREG
FDD 4.9V
PANEL -15.3V
PANEL 13.2V
PANEL 6.5V
PANEL 4.9V
CAM 15V
CAM -7.5V
CAM 3.2V
D 1.8V
D 3.2V
A 3.2V
A 4.9V
CAM P 5V
FDD P 5V
L255
LCD DD ON
Q253
SYS DD ON
10 18 17
CN803
FOR CHECK
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
(4-22)
93
Q409 STB CHG
IC404
48 32
BATT SI
IF BLOCK XSTB FULL
49 BATT SO
HI CONTROL
42,51
75,76
BACKUP VCC
77,86
(4-21)
87
IC402
2 1 38
RESET XREST
XPOWER 14
71 BATT SENS
60
POWER LED
72 ACV SENS
92 DD CON SENS
20 25
BATT/XEXT CAM DD ON
65
DC PACK SW
100
FAST CHARGE
27 INIT CHARGE
47 LCD DD ON
29 SYS DD ON
D410 R485
EVER 3.2V
(4-22)
(4-22) (4-21)
IC406 IC405 IC403
1
EEPROM TIMER BLOCK LANC I/O
FD90 model
IC301
STB ON
199
(4-14) (4-15)
(4-13)
CAMERA DSP IC302 IC501
MEMORY CONTROL
VIDEO ENCODER
OPD,OSD,HOST IF
RES CONTROL
MC
SG,JPEG,L-MODE 64 Mbit
CAM
SDRAM
SH-DSP
D 1.8V
D 3.2V
A 3.2V
A 4.9V
CAM P 5V
(4-24) (4-24)
L901
IC253 IC252
SP VCC
Q901,902
LINE/ AUDIO
SPEAKER AD/DA REG
AMP CONV.
+3.1V
IC901
VIDEO
AMP
(4-19)
16
3-7
31
TYPE SA
ST UNREG
8 8
11
STB CHG
1 6
FLASH
14
XSTB FUL
L901
10 5
UNIT
12
STB ON
9 4
15
A 4.9V
4 3
CN301
PANEL 3.2V
20 31
L801
Q411 PANEL 4.9V
40 11
LED DRIVE PANEL -15.3V
37 14
PANEL 13.2V
39 12
PANEL 6.5V
36 15
D 3.2V
38 13
24 27
13 38
A 4.9V
19 32
BL UNREG 41 9
42 10
FDD P 5V
46 5
LANC DC
9 42
EVER 3.2V
26 25
BATT
50 1
CN802 CN701
14
(4-18)
IC702
D 3.2V
FDD CONTROL
CAM DD ON
A +4.9V
Q102-105
(4-16) (4-16)
CAM -7.5V
IC505 IC506 CAM 15V
CAM 3.3V
FLASH ROM SDRAM
16Mbit 16Mbit
IC181
CH 3.2V
L181 L182
ND FILTER
L183
DRIVE
(4-11)
FD90 model
IC183 IC182 IC184
ZOOM MOTOR
DRIVE SHUTTER IRIS
FOCUS MOTOR DRIVE DRIVE
DRIVE
(4-11) (4-11) (4-11)
TYPE ST
Q901,902
L903
L902
(4-43) (4-43) (4-44)
IC902 IC901 IC904
LCD TIMING
EVR
DRIVE GENERATOR
(4-45) (4-46)
IC801 IC802 IC901 IC902
LCD TIMING COM
EVR
DRIVE GENERATOR AMP
(4-47)
P 4.9V
L903
L902
L901
S703
POWER
(4-41) (4-39)
D703
(POWER)
IC851,852 IC702
BACK LIGHT DRIVE SHOCK DETECT
BT701
CHARGE LED
LITHIUM VANADIUM BATTERY
PK-52/50 BOARD
(4-17)
IC704
Q701-704
CN702
BL UNREG
4.9V
FDD HEAD AMP 5 SIDE1 HEAD
REG
CN703
R743
FDD 4.9V
3 SIDE2 HEAD
FDD P 5V 9
SPINDLE MOTOR
10
5 SENSOR
CN701
(4-9) (4-9)
IC102 IC101 CD-248/246
BOARD
S/H
TIMING
AGC
GENERATOR
A/D CONV.
CAM -7.5V
10 14
CAM 15V
9 15
CN101 CN201
/101
D 3.2V
FOCUS
4
RING
CN401
DAC ENB
L184
LENS
XLENS RST LED
UNIT
Q189,190 FOCUS
SENS VCC
RESET
7 14
SENSOR
Q182
IC185 IC186
ZOOM
RESET
19 8
SENSOR
EVR
HALL
AMP D/A
CONV.
(4-12) (4-12) ND
25 12 FILTER
METER
CN183
(FD85 model)
CN184
(FD90 model)
3-8E
FD85 model
(4-44)
IC903
LCD901
LCD
AMP
TYPE SA
UNIT
HVDD
7
VDD
CN901
TYPE ST
FD90 model
LCD901
CN901
VDD
2
VSH
LCD
1
VGL
UNIT TYPE CA
22
VGH
24
LCD901
(4-43)
VSH
LCD
13
VSS
UNIT TYPE SH
16
VGH
24
CN901
J782
LANC/
EXTSTROBO
FD90 model
FLOPPY
DISK DRIVE
UNIT
(4-8/4-6)
IC201/101
CCD
IMAGER
FD85 MODEL : MVC-FD85
Note:
FD90 MODEL : MVC-FD90
FD85 modelL/FD90 model
MF
UNIT
FD90 model
-LCD type check-
By measurimg the resistor valve between
Pin 13 of CN803(FC-72 board) and Pin 4
of CN803(FC-72 board),type of LCD can
be discrimimated.
Type SA : 10k
Type ST : 22k
Type CA :
Type SH : 4.7k