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RS-B25
m@ CONTENTS
:
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Page
Location of Controls...........cc.:ccceeeteeeneeeeeeeees
2
Disassembly Instructions
.................:.s:eeeees
3
Measurements and Adjustments
..................
5
Microcomputer Terminal Function
ANd Waveform
...... cc cccceeee eee eee tec eeeneenes
10
Block Diagram
............cceececeseeeeeeeeeeeeeeeeenens
14
Electrical Parts List ...............c:ceceeceeeseeeeeeees
17
Schematic Diagram
.............::cceeeeeeeeeeeeeeeeeee
19
Circuit Boards and Wiring Connection
Diagram
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23
Technical Guide
..............secciseeeseeeeeeseveeeees 27
Mechanical Parts Location
(included Parts LiSt) .............:c.cceeeeeeee ees 29
Terminal Guide of Transistors,
Diodes and IC'S...........ccceccceeeceseeeeeteeeees
32
Cabinet Parts Location
(included Cabinet, Accessories and
Packing Parts List)
...............ccceeeeee
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m LOCATION OF CONTROLS
Fast Forward Button [ff ( »P )}
Rewind Button [rew ( << )]
Play Button and Indicato
[play (> )]
Power Switch [power (B. off + = on)]
Cassette Holder
Record Button and Indicator [rec (@)]
Record Muting Button
[auto rec mute (©) )}
Pause Button [pause (88)]
Stop Button [stop (@)]
Tape Select Buttons
[tape select (TYPE I/Normal
-
TYPE Ii/CrO, - TYPE IV/Metal)]
Level Meters
Noise Reduction Select
Switch [Noise Reduction
(Dolby NR-C-B-~
out)]
Eject Button
[eject (4)]
Tape Counter and Reset Button
[tape counter.- reset]
Timer Start Switch
{timer (rec - off - play)]
Balance Control
[balance (L + center - R)]
Input Level Control
[input level]
Headphones Jack [phones]
Microphone Jacks [mic (L « R)]
2
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