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General Specification - Sharp MZ-80SFD Service Manual

Single floppy disk
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Item
Specification
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Drive-to-drive connection
Daisy-chain system (a maximum of four drives)
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Recording medium
5.25-inch both-sides flexible disk
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Recording
Double or single density
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Number of tracks
70 tracks
Sector
Soft sectored
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Formatted capacity
280K bytes/drive at 16 sectors/track (double density)
140K bytes/drive at 16 sectors/track (single density)
Power supply
AC 220V
±
10%, 50Hz
AC 240V
±
10%, 50Hz
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Power Consumption
30W
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Operating conditions
5 to 25°C in temperature
20 to 80% in humidity (free of moisture condensation)
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External dimensions
Approx. 165 (W) x 102 (H) x 323 (D) mm
Weight
4 kg
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General specification.
1
• Power supply section specifications
Item
Specification
- -
--
Input
AC 220V
±
10%, 50Hz
AC 240V
±
10%. 50Hz
Output
DC 12V
DC5V
*
Specifications and design subject to change with-
out prior notice for product improvement.
In
such
cases,
items mentioned above
may
be
partially different from the product.
{CONSTITUTION OF SINGLE FLOPPY
• Constitution and Block Diagram
MZ-80SFD is constituted by floppy disk drive unit, control PWB unit, terminal resistor PWB unit and power supply
unit.
Its floppy disk drive is the same as the drives used for MZ-80FD/MZ-SOFDK/MZ-80FB/MZ.SOFBK.
[
Power supply circuit
Floppy disk drive
Terminal resistor PWB
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Control PWB
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Block diagram
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