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Tandy Radio Shack Realistic PRO-2021 User Manual

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CONTENTS
Page
SPECIFICATIONS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
BLOCK
DIAGRAM
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00
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PRINCIPLES OF
OPERATION
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.,
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, o' o.o o' 0
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•• •• •• •• ••
5
GENERAL
OPERATION
OUTLINE
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..
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.. ..
7
ALlGNMENT
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RECEPTION CHECK
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14
MEMORY
CHECK
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15
TROUBLESHOOTING
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PoC.
BOARD
(TOP
AND
BOTTOM
VIEWS)
...
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WI RING
DIAGRAM
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20
ELECTRICAL
PARTS
LIST
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DISASSEMBLY
/EXPLODED
VIEW
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MECHANICAL
PARTS
LIST.
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SEMICONDUCTOR
LEAD
IDENTIFICATION
AND
IC
CIRCUIT
DIAGRAM
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" 34
MICROPROCESSOR (IC) PORT
FORMAT
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42
APPENDIX
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SCHEMATIC
DIAGRAM
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44
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special characteristics. These character-
istics often pass unnoticed and the protection afforded by them cannot necessarily be obtained
by using replacement components rated for higher voltage, wattage, etc. Replacement parts
that
have these special safety characteristics are identified in this manual and its supplements;
electrical components having such features are identified
bya
b:.
in the schematic diagram and
the parts list.
Before replacing any of these components, read
the
parts Ustin this manual carefully. The use
of substitute replacement parts
that
do
not
have
the
same safety characteristics as specified in
the parts list may create shock, fire or
other
hazards.

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Tandy Radio Shack Realistic PRO-2021 Specifications

General IconGeneral
BrandTandy
ModelRadio Shack Realistic PRO-2021
CategoryReceiver
LanguageEnglish