Service manual
MZ-80K
SPECIFICATIONS
• General
CPU
Z-80
Clock
Function:
Built in
Memory
Monitor
ROM;
4K
bytes
Editor
Cursor
control;
"up",
"down",
RAM;
20K
bytes
function
"right",
"left",
(dynamic
RAM)
"home",
"cleary
home"
Memory
extension;
48K
bytes
Edit
key, Delete key
(max.)
Display
10"
CRT
(black/white).
Power
supply
AC
220V
±10%,
50
Hz
8 x 8
dot
matrix,
AC
240V
±10%,
50
Hz
(for UK)
Characters;
1000
Power
(40
characters x
25
lines)
consumption
Approx.45W
Cassette
Standard
audio
cassette
tape
Data
transfer
speed;
1200
bits/sec .
Temperature
Operating
temp.;
O°C
to
35°C
Data
transfer
system;
SHARP
PWM
Storage
temp.;
-15°C
to
60°C
•
Sound
output
400mW
(max.)
Humidity
Lower
than
80°
during
operation
Keys
layout
Number;
78
keys
Weight
Approx.
13
kg
ASC
II
standard
(alphabet
capital letter, figures).
Dimensions 410(W) x
270(H)
x
470(D)mm
Small
letter,
Graphic
Music
function
Built in
•
CPU
Board
Section (DCPU-0006PAZZ)
CPU
Z-80;
1 pc.
Programmable
_.
1 pc.
ROM
Monitor; 1 pcs. (4K bytes)
counter
Character
generator;
1 pcs.
(2K bytes)
Programmable
RAM
Standard;
peripheral
1 pc.
16K
dynamic
RAM; 8 pcs.
interface
(16K bytes)
4K
dynamic
RAM; 8 pcs.
(4K bytes)
Other
ICs
53
pcs.
Video RAM; 2 pcs.
(1
K bytes)
•
Power
Supply Section
(DBOXD0004PAZZ),
(DBOX0005PAZZ
-----
for UK)
Input
AC
220V
±10%,
50Hz
AC
240V
±10%, 50Hz (for UK)
Output
DC
12V,
1.6A
max.
DC
5V,
1.6A
max.
DC
-5V,
0.2A
max.
-1-