Technical Data

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