Block Diagram -Floppy Disk Drive Control/Eeprom Section - Sony DMP-1000P Service Manual

5-3. BLOCK DIAGRAM – FLOPPY DISK DRIVE CONTROL/EEPROM Section –
CN2100
10
MOTOR ON
9
DENSITY OUT
6
DISK CHANGE
4
DRIVE SELECT 0
8
READYO
TO FLOPPY DISK
DRIVE UNIT
2
INDEX
12
DIRECTION
14
STEP
16
WRITE DATA
18
WRITE GATE
20
TRACK 00
22
WRITE PROTECT
24
READ DATA
26
SIDE1 SELECT
WR, RD
(Page 5-3) D
D0 – D7
H
(Page 5-4)
A0
I
(Page 5-4)
05
X2100
16MHz
86 83 82
76 INDEX READY 30
8
DIR
10 STEP
BUFFER
INT 71
11 WDATA
Q2100
FLOPPY DISK DRIVE CONTROLLER
WE
13 RESET 45
IC2101
TC 70
TRK0
24
CS 50
WPRT
26 DMAAK 69
27 RDATA IC2102
2
DMARQ
36 SIDE 68
D0 – D7
46 47 57 – 60, 62, 63, 65, 67 51
DATA BUS
ADDRESS BUS
5-5
SYSTEM CONTROLLER
IC503 (2/3)
116 FDD MOTOR ON
115 FDD DENSITY OUT
114 FDD DISK CHANGE
113 FDD DRIVE SELECT 0
PD 33
EEPROM RESET 30
EEPROM CS 29
EEPROM SCK 136
D2100
72 FDD READY OUT
144 FDD READY IN
EEPROM RXD 133
39 FDC INT
69 RESET FDC
137 FDC TC
53 FDC CS
EEPROM TXD 134
FDC DMA ACK
59
VCC/FWP 99
4
109 FDD DMA RQ
MD1/BOOT 102
1 PD
8 RST
3 CS
4 CLK
BUFFER
EEPROM
IC2001
IC2002
7
3 5 6 DO
5
DI
1
6 2
BUFFER
IC2000
7
CN551
5 3
5
RA2
1
4
2 6 DA
7
FOR CHECK
FWP
8
MD1
6
RESET
RESET
A (Page 5-3)
5-6
Confidential
DMP-1000P (AEP)