Tandy 1000 Technical Reference Manual

Tandy 1000
4-5-7. Replacement of Front OPT Ass'y
(A) Tools
(1) Cross point screwdriver, M3
(2) Hexagon wrench key, 1.5mrn
(3) Box
screwdriver for hexagon nut, M3
(4) Cutting pliers
(5) Locking paint
(6) 5KA or user's system
(B) Replacement procedure
Technical Reference Manual
(1) Turn the front lever (Fig.505, No.42) to close position and remove the
fixing screw (Fig.505, 511).
(2) Turn the front lever to open position and draw out the front lever Ass'y.
(3) Remove the front bezel Ass'y (Fig.505, No.4l) by removing two fixing
screws (Fig.505, 55).
(4) Remove the shield cover (Fig.505, No.44) by removing two fixing screws
(Fig.505, 55).
(5) Cut and remove the cable tie (Fig.505, No.40) for binding the wiring.
Throwaway the removed tie.
(6) Disconnect the front OPT connector (J5).
(7) Draw out the cable from the space between the chassis (Fig.505, No.1)
and the PCBA DD motor servo and then draw it out from the V-groove of
the disk guide (Fig.505, No.3).
(8) Remove two separate fixing screws (Fig.505, 51 and 55) of the front OPT
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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