Specification - Sharp MZ-700 Service Manual

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700
1. SPECIFICATION
1-1.
MZ-700
CPU
Oock(ct»
Memory
Video output
Screen structure
Color designation
Music function
Timepiece
function
Keyboard
Editing functions
Power
requirements
Temperature
Humidity
Weight
Physical
dimensions
Sharp LH0080A (Z-80A)
3.5MHz
4KB ROM (monitor)
4KB ROM (character generator)
64KB RAM (program area)
4KB RAM (VIDEO)
System: PAL
Type: RGB composite video (con-
vertible to B/W)
RCB
+
Syncronization (non
composite)
RF (UHF 36 ± 3ch, conver-
tible to B/W)
40 character
x
25 lines (1000 chara-
cters)
8
x
8 dot matrix (per character)
Character: 8 colours (per character)
Background: 8 colours (per character)
Internally provided (audio output,
55OmVmax.)
Internally provided (24 hours clock,
without data retention)
ASCII compatible 69 keys
Defmable keys, cursor control keys, etc.
Screen editor (cursor control, home,
clear, insert, delete)
220/240V ± 10V, SO/60Hz
Operating temperature: 0 to 35°C
Storage temperature: -20 to 70°C
Operating humidity: 85%RH or
below
3.6Kg (body only)
440 (W) x 305 (D) x 86 (H)
1-2. CPU board specification
CPU LH0080A (Z80A) . . . . . . . . .. I
PlO 8255 . . . . . . . . . . . . . . . . . . I
CTC 8253 ................... I
Memory controller M60719 . . . . . . . . . . . . . . . . I
(CRTC)
ROM
RAM
I/O bus
4KB monitor ROM . . . . . . . . . .. I
4KB character generator ROM ... I
64K bits DRAM . . . . . . . . . . . .. 8
2KB SRAM . . . . . . . . . . . . . . . . 2
Expansion I/O bus . . . . . . . . . . . I
Printer I/O bus . . . . . . . . . . . . .. 2
(Only one can be used, selectable by
switching)
External cassette read/write terminals
1-3. Micro-colour graphics printer specification (option)
Printing method Ball point pen recording, four colours
rotary selection type.
Kind of colours I
=
black, 2
=
blue, 3
=
green, 4= red
Printing speed 10 characters/sec, average (Printing the
smallest characters.)
Printing capacity 80 digits, 40 digits, 26
digits,
soft-
ware designated
Character set 115 characters (ASCII characters and
others)
Resolution 0.2mm
1-4. Cassette recorder specification (option)
Type IEC compatible cassette mechanism
Record/playback
method Dual tracks, single channel, monopho-
nic
Rated speed 4.8cm/±3.5%
Operation control
method Piano key method
Control buttons PLAY, FF, REW, STOP/EJECT, REC,
COUNTER RESET
Data transfer .
system
Baud rate
Tape used
Sharp, PWM method
1200bps (nominal)
Philips standard tape, (not C120)
1-5. Power supply specification
(Including colour graphics printer and cassette tape
power source)
Input: 220/24OV ± 10V, 60/50Hz, 20W
Output: 5V