Tandy 1000 Technical Reference Manual

Tandy 1000
the spindle surface.
Technical Reference Manual
2. Collar B (Fig.505, No.5) is attached to the screw of the disk
insertion side. Confirm that the collar B is not taken out in
the process of tightening the screw.
(7) Adjust the collet shaft plate (Fig.50S, No.29) position according to
item 4-4-1.
(8) Binda new bundle of cables to the chassis made of DO motor cable,
TOO sensor ASs'y cable, and front OPT Ass'y cable using a new cable tie.
(9) Check for the file protect sensor according to item 4-4-4.
(10) Check or adjust the disk rotation speed according to item 4-4-5.
(Adjustment is applied only for the motor with the variable resistor,
Rl on the PCBA DO motor servo).
(11) Check and adjust the track alignment according to item 4-4-10.
(12) Check and adjust the index burst timing according to item 4-4-13.
(13) Attach the shield cover in the reverse order of item (1).
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Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200