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

MVC-FD85/FD90

3-2. OVERALL BLOCK DIAGRAM (2/2)

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