Fdd Interface Block Diagram - Sony MVC-FD71 Service Manual

3-3. FDD INTERFACE BLOCK DIAGRAM

FC-66 BOARD
(SEE PAGE 15,18,26,29)
83
Y0
87
.
IC104 38 45 CAY0 7 8
89 Y7
91
92 C0
IC104 29 36 CAC0 7 8
99 C7
IC103 38
MCK 78
IC104 85
TO
CAMERA
BLOCK
(SEE PAGE 3-6)
IC104 57 CA VD 80 VD
IC104 58 CA HD 81 HD
IC104 65
CACVD 82 XVOC
IC403 1
TO
POWER BLOCK STRBON 53 STRBON
(SEE PAGE 3-17)
41 DR BUS RQ
RST SYS
40 RST SYS
HISO
45 SI
RAS
34 RAS
CASL
36 CASL
CASH
35 CASH
WE
37 WE
OE
39 OE
AD0 9
3 5 . .
7 12 100
10
IC807
FLASH MEMORY
7 29
8 . A0 D0 36 .
10
16
18 38
A9 D15
25 45
10
RAS
CASL
CASH
WE
OE
TO
IC702 99 DR BUS RQ
MODE CONTROL
IC702 96 MC CANCEL
BLOCK
(SEE PAGE 3-11) IC702 44
HISI
IC703 4
IC702 50 MC NMI
IC702 18
DISK IN
05
3-7
$§ REC/PB
$∞ REC/PB
3.2Vp-p
V
H
58
Y0
62 .
8
Y7 64
66
C0 72
4
C3 75
IC503
DRC
IC705
OSD
RSTSYS
4 RSTSYS
SYS H 56 20 HSYNC
SYS V 57 19 VSYNC
17
HI SCK
XSCK 43
16
18
8 MCK
MCK 78
15
1 SCLK
CSIDIC2
XCS 44
3 S IN
BUS RQ 42 2 CS
HI SCK
HI SO
D0 15
IC801
15 20 . 22 25 . 27 29 . 31 33
FDD CONTROL
IC804
CS OSD
16 BUS BUFFER
57
60 .
D0 B0 D0
62
.
D7
D7 B7 . 63
A01,02 65
.
67
IC806
SYSTEM CONTROL
IC501
A01
50 CS
164
DRAM(16M) . A02
162 49 RSEL
2 BREQ
62 158 .
21
5 . 155
.
24 . A0 DQ0 24
152
7 AD0
16
27 10 MCD00
A9 DQ7 30 . 16
148
10 AD15 .
.
32 32
41 MCD15 . 146
144
34
44 .
142
46
18 RAS
A0(HBS) 69 51 A0
49
35 CASL
12 70 TC
PB3
34 CASH
PC3 11 71 INT
17 WE
13 69 DMAAK
PB6
33 OE
PB4 23 45 RESET
57 48 ENRW
CS2
OE
RO 53 46 RD
119 IRQ1
WE
WR 59 47 WR
10 IRQ6
118 IRQ7
30 READY
2 PB9
116 NMI
PC0 24
RST SYS
117 RES PC2 29
PB1 28
HI SCK
1 SCK0 PB0 26
HI SO
3 RXD0
RAS
IC803
RAS 58
CASL
108 SHOCK SENSOR
XTAL CASL 61
CASH
X802
CASH 62 3
15MHz
107 EXTAL 1 S1 PS
SE801
PC5 27 2 VR2
107 PB
A0
9
DISK IN
3.2Vp-p
15MHz 21
!¢ REC/PB
@£ REC/PB !ª REC/PB
#¶-$¢ REC/PB
IC601
3.2Vp-p
3.2Vp-p
0.025µsec
1Vp-p
D/A CONV.
H 0.8Vp-p H
H
Q601
37 Y0
8 IOR 23 BUFFER
44 Y7
Q602
5 C0
4 IOG 19 BUFFER
2 C3
Q603
IOB 14 BUFFER
31 MCK HDO 47
34 VCK
45 HD DVDD1 6 D3.2V
$¶ REC/PB
L601
46 VD AVDD1 18
AVDD2 22
VREF R 21 3.1Vp-p
H
VREF G 17
IC301 12
VREF B 13 VREF PYRA
RST SYS
48 CGR RST 27
CS IDIC2
36 CGG CS 26
HI SCK
32 CGB SCK 29
HI SO
1 CGBLK SI 28
IC702 62
SYS V
IC702 9
RST SYS
CS IDIC2 IC702 28
IC702 46
HI SCK
HI SO IC702 45
D4.9V CS OSD IC702 43
VDD1 42
VDD1
43
L801
VDD2
16
PK-43 BOARD
(SEE PAGE 4-42)
XA1 82
X803
16MHz
*£ REC/PB
XA2 83
XB1 86
3.2Vp-p
16MHz CN602 CN603
SIDE 1 SEL
SIDE 36 56 5
TRACK 00
TRK0 24 50 11
STEP
10 43 18
STEP
DIRECTION
DIR 8 44 17
INDEX
INDEX 76 37 24
READ DATA
RDATA 27 55 6
WRITE DATA
WDATA 11 47 14
WRITE PROTECT
WPRO 26 54 7
IC802
1
WE 13 WRITE GATE
4
2 51 10
EN 100
EM2
4
DISK CHANGE
40 21
FD READY
39 22
MOTOR ON
41 20
DRIVE SELECT
38 23
X2DD
42 19
IC805
D4.9V
DISK IN
48 13
SHOCK
SIG DET.
6
Q801 Q
VCC 5
OUT 4 1 CK
B1 B0 RD Q 3
8 7 6
3-8
1Vp-p
CN602
PANEL R
17
PANEL G
16 TO
LCD BLOCK
PK-43 BOARD
CN603
PANEL B
(SEE PAGE 3-13)
21
PANEL HD
11
PANEL VD
13
TO
CAMERA
BLOCK
(SEE PAGE 3-6)
TO
MODE CONTROL
BLOCK
(SEE PAGE 3-11)
$™ REC/PB
5Vp-p
4MHz
IC601
FDD INTERFACE
CN602
ERASE
SSI E01 9
1 75
R/W A
3 T00 RW1B 68 7
R/W B
6 ISTP RW1A 69 6
R/W B
7 IDIR RW0B 71 5
R/W A
9 IDXO RW0A 72 4
ERASE
13 RDO E00 76 2
5 IWD OSCO 42
2 WPO FLOPPY DISK
X601
4MHz DRIVE UNIT
CN601
OSCI 43
CLOCK
CPO 47 13
4 IWG
FPTS
17
FPTS 51
HOS
HDS 50 16
MC
12
MC 48
INDEX
INDEX 47 11
PA
6
PA0 26
11 DCO
PNA
PA1 28 7
10 RDYO
PB
5
PB0 35
8 M ON
PNB
PB1 33 8
12 DSEL
STBY
STBY 22 3
18 DIIV
TOS1
TOSI 21 1
DISK
18
DISK IN 52
MVC-FD71
3-9