Tandy 1000 Technical Reference Manual

Tandy 1000
4-5-3. Replacement of DD Motor Ass'y (Spindle motor)
(A) Tools
(1) Cross point screwdriver, M3
(2) A pair of tweezers
(3) Cutting pliers
(4) 5KA or user's system
(B) Replacement procedure
Technical Reference Manual
(1) Remove the shield cover (Fig. 505, No.44) by removing the two fixing
screws (Fig.505, 51).
(2) Disconnect the spindle motor connector (J7).
(3) Cut and remove the cable tie (Fig. 505, No.40) for binding the wiring.
Throwaway the' removed cable tie.
(4) Draw out the PCB holder (Fig.505, No.38) which holds the PCBA servo
of the DO motor Ass'y (C) (Fig.505, No.7) from the chassis (Fig.505,
No.1) •
(5) Remove three fixing screws (Fig.505, 52, 57) of the DO motor from the
upper side of the FDO and remove the 00 motor Ass'y from the lower side
of the FDD.
(6) Install a new OD motor ASs'y in the reverse order of items (2) through
(5) •
Notes: 1. The spindle area of the DO motor Ass'y (clamping cup of the disk)
is precisely machined. For installing the motor to the frame,
place the spindle in parallel to the frame and push into the
frame slowly. Handle the spindle very carefully not to damage
4100 -

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