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Tandy 1000 Technical Reference Manual

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Tandy 1000
Technical Reference Manual
3-3.
FUNCTION
OF
TEST
POINTS
AND
VARIABLE
RESISTORS
Fig.3ll
shows
the
mounting
positions
of
the
test
points
and
variable
resistors.
File
protect
sensor
LED
Index
sensor
LED
Rl
PCBA
DD
motor
servo
Ass'y
revision
No.
(A"-)
PCBA
version
(two
digits)
Name
plate
o
o
~O
r
c=J
00
ct90
o
8
9---ifllo~lI-4l
10---........
.......
·'
G
(OV)
TP
7
TP
1 2 3
45
6 G
(OV)
PCBA
HFD
control
IC)
(Fig.3ll)
Location
of
test
points
and
variable
resistors
- 321 -

Table of Contents

Other manuals for Tandy 1000

Preview: User Guide
User Guide337 pages
Preview: Programmer's Reference Guide
Programmer's Reference Guide251 pages
Preview: Basic Reference Manual
Basic Reference Manual411 pages
Preview: Owner's Manual
Owner's Manual46 pages

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Tandy 1000 Specifications

General IconGeneral
ProcessorIntel 8088
Processor Speed4.77 MHz
RAM128 KB (expandable to 640 KB)
Operating SystemMS-DOS 2.11
ManufacturerTandy Corporation
Release Year1984
StorageSingle or double 5.25" floppy disk drive (360 KB), optional hard drive
SoundTandy 3-voice sound
PortsParallel, Serial
GraphicsCGA (Color Graphics Adapter)
Graphics Modes320x200, 640x200

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