Technical data of the MZ-80A |
| General |
| CPU |
SHARP LH0080 ( Z80-CPU ) |
| Clocking rate |
2 MHz |
| Memory |
Monitor ROM 4K bytes
CG-ROM 2K bytes
RAM 32K bytes ( dynamic RAM )
can be expanded to 48K ( optional )
V-RAM 2K bytes
|
| Display |
9" CRT ( green display )
Character display
8 x 8 dot matrix
Characters: 1000 ( 40 characters x 25 lines )
|
| Cassette |
Standard audio cassette tape
Data transfer speed 1200 bits/sec.
Data transfer system SHARP PWM |
| Sound output |
400 mW output max. ( 440Hz ) |
| Keys layout |
73 keys, ASCII standard, 10 numerical keys |
| Edit function |
cursor control
( up, down, right, left, home, clear, delete, insert ) |
| Clock function |
built in |
| Power supply |
local area voltage |
| Temperatures |
operating temperature 0 to 35 degrees Centigrade
storage temperature -15 to 60 degrees Centigrade |
| Humidity |
lower than 80% |
| Weight |
approx. 10 kg |
| Dimensions |
width 440 x height 260 x depth 480mm |
|
| CPU Board |
| CPU |
SHARP LH0080 ( Z80-CPU ); 1 pc. |
| ROM |
MONITOR-ROM ( 4K bytes ) 1 pc.
Character generator ( 2K bytes ) 1 pc. |
| RAM |
Standard;
16K dynamic RAM ( SHARP LH4116 ) 16 pcs.
Video-RAM ( 2K bytes ) 1pc. |
|
| Power Supply |
| Input |
use the prescribed power which is indicated at the rear of the
MZ-80A |
| Output |
5V, -5V, 12V ( regulated )
12V ( unregulated ) |
|
| Display |
| Size |
9" |
| Frequency |
60Hz ( vertical )
15.75kHz ( horizontal ) |
| Power source |
DC 12V, 1.1A ±10% |
| Picture tube |
E2728B3; 9" 90° deflection
explosion proof type
heater 12V, 75mA |
| IC |
2 pcs. |
| Transistor |
7 pcs. |
| Diodes |
13 pcs. |
| Sound output |
400mW max. ( 400Hz )
speaker 8cm, round dynamic type ( 32Ohms ) |
| Control knobs |
volume, V-Hold, contrast, H-Hold, brightness,
focus |
| Working temperature |
-10°C to 50°C |
| Video output |
40Vpp standard ( 35Vpp limit ) |
| Resolution |
Horizontal
|
|
|
|
This pattern must be well-focused in the middle
of the screen. |
|
| Non-linearity distortion |
horizontal ±8% ( ±14% max.
)
vertical ±8% ( ±12% max. ) |
| Geometrical distortion |
Pincushion dist. 1% ( 2% max. )
Barrel dist. 1% ( 2% max. )
Trapezoidal dist. 1% ( 2% max. )
Parallelogram dist. 1° ( 2.5° max. ) |
|
High voltage
|
zero beam 11kV ( 10kV min., 12kV max. ) |
| Power supply |
DC 12V, 1.05A ( 1.2A max. ) |
| Working range |
12V ±10% |
| Scan size |
horizontal ±10% ( ±15% max.
)
vertical ±10% ( ±15% max. ) |
| Horizontal lock-in range |
±300Hz ( ±100Hz limit ) |
| Vertical lock-in range |
-12Hz ( -6Hz limit ) |
| Audio frequency characteristic |
400Hz ( 0dB )
-10dB ±4dB at 100Hz
-12dB ±4dB at 10kHz |
|
| Cassette Tape Recorder |
| System |
PWM recording |
| Power source |
5V ±0.25% |
| Rated amperage |
wait 2mA
record 70mA ( TEAC test tape )
playback 7mA ( TEAC test tape ) |
| Semiconductors |
4 transistors
1 IC
4 diodes
|
| Applied tape |
from C30 to C60 |
| Tape speed |
4.75cm/sec. |
| Track |
2-track monaural type |
| Biasing |
DC system |
| Erasing |
DC system |
| Playback sensitivity |
667µsec. to 333µsec.
( standard ) |
| Working temperature |
-10°C to 40°C |
| Strage temperature |
-25°C to 65°C |
|
sharpmz@sharpmz.org
