Sony Mavica MVC-FD85, Service Manual

Page: 31 / 112

MVC-FD85/FD90
3-2. OVERALL BLOCK DIAGRAM (2/2)
3-3 3-4
DISK
BT701
J781
J782
HI SO,XHI SCK
STEPPING
BL UNREG
HI CONTROL
FD CONTROL
DATA BUS
TRACK 00
SENSOR
SHOCK
DETECT
SP901
SPEAKER
RESET
IC704
ADDRESS BUS
LANC IN
LANC OUT
UPPER HEAD
SIDE 1
KEY AD 1,2
Note:
FD85 model/FD90 model
IC402
REC/PB AMP
SPINDLE MOTOR DRIVE
STEPPING MOTOR DRIVE
ND901
BACK LIGHT
24
LOWER HEAD
SIDE 2
FD90 model
BEEP
AU IN
WRITE DATA
R
HI SO,HI SI,XHI SCK
TIMER
CLOCK
16
FLOPPY
DISK DRIVE
UNIT
RESET
IC506
D701-703
BATT UNREG
EVER 3.2V
READ DATA
PK-52/50
BOARD
IC501
TIMING
GENERATOR
R/W A,B
STB CHARGE
SDRAM
16Mbit
3.2V REG
WRITE GATE
G
MC CAM
SH DSP
EXT STRB ON
BACK LIGHT DRIVE
ERASE
LCD DD ON
FLASH ROM
8Mbit
S703
IC401
BATT
SIDE 1 SELECT
DIRECTION
STEP
VD,HD
MC XCS2
MC XCS6
LANC SIG
ACV UNREG
IC851,852
R/W A,B
FUNCTION
SW
SYS DD ON
IC505
MIC AMP
TRK 00,INDEX
WRITE PROTECT
B
XCAM/PB SW
MOVIE/XSTILL SW
SPINDLE
S701,702,704-707,
709,711
ERASE
BATT/XEXT
MC XCS2
IC406
LINE/
SPEAKER
AMP
LANC
I/O
FDD SELECT
FDD MOTOR ON
EEPROM
MOTOR
DRIVE
FAST CHARGE ON
MC XCS0
IC253
FDD XDCHG
FDD DENSITY
B-Y
IC901/802
BATT SIG
MC XCS5
LCD
PANEL
MIC901
A/V OUT
EEPROM
IC405
ZOOM SW AD
12
IC904/901
MIC
IC508
R-Y
XBATT CHG LED
XSTROBE LED
XPOWER LED
AU SP+,SP-
POWER SW
LITHIUM VANADIUM
BATTERY
XRS ON 1,2
16
AUDIO OUT
CAM SO,CAM SI,XCAM SCK
XPWR SW
MOTOR
FOCUS A,B
17
IC252
Note:FD85 model:MVC-FD85
FD90 model:MVC-FD90
SPINDLE
HALL AD
16
BL HIGH
S708,710
EVR
AUDIO
AD/DA
CONV.
CHARGE,FLASH,POWER
LED
IC403
M
AU SP+,SP-
16
AU SDTO
IC702
32KHZ
IC902/
801
MOTOR
PLAY/STILL/MOVIE SW
EXT STROBO
AUDIO OUT
3
LCD
DRIVE
AU SDTI
Y
MIC SIG
M
IC404
IC702
AU OUT
16
EVER 3.2V
VIDEO OUT
FC-72 BOARD
KEY_ADO
(SEE PAGE
3-2)
CONTENUDE ON
(4-15)
(4-16) (4-16)
(4-18)
(4-21)
(4-21)
(4-22)
(4-22)
(4-24)
(4-24)
(4-17)
(4-22)
(4-21)
(4-39)
(4-43/4-45)
(4-44/4-47)
(4-43/4-46)
(4-41)
LCD901
(4-16)
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.