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matic diagram
7
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( >—U-|
u—|
o—|
o—|
(•—|
0-1
o—
2
14
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1
1
I
I
I
I
I
I
|I □ I
NC/VCC
A7
AS
A5
A4
A3
A2
A1
AO
WE
RAS
CAS,
I Cl 53-16
9* G4 K DRAM
< OPTION)
J_I_I_I_I_I_L
NIOR
_2^
NIOW
, _3^
MFDCS
, _4^
BAO
. _S_
BAD IS
13
3AD14
12
BAD 13
11
BAD12
10
BAD! 1
_9_
BAD 10
9
3AD9
7
3AD8
6
TC
FLT/TRO
FR/STEP
RW/SEEK
WDA
PS1
PSO
vcc
DRQ
"DACK
RESET
CK
LC/DIR
INT
j
HDSEL
WE
IC1 12
UPD765AC2
WPTS
"WD
IDX
■Cs
RDY
AO
DB7
DBS
DB5
DB4
SYNC
DB3
DB2
RDD
DB1
DBO
RDW
WC LK
"I
21
CPI OS
DRIVE
3 POWER
ATTENTION : LES PIECES REPAREES PAR UN A
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLES DECRITES
DANS LA NOMENCLATURE DES PIECES.
CAUTION: SINCE THESE PARTS MARKED BY A ARE
CRITICAL FOR SAFETY , USE ONES
DESCRIBED ON PARTS LIST ONLY.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE.
1-4927
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