Technics RSB 48 R Service Manual

Page 2

I CONTENTS

ITEM PAGE
0 Location of Controls and Components .................. 2
- Disassembly instructions ................................. 3
0 Replacing Rotary Head Assembly ........................ 5
0 Measurement and Adjustment Methods . 5
0 Microcomputer Terminal Function and Waveform 12
0 Block Diagram ................................................ 15

ITEM
0 Schematic Diagram ...............
~ Electrical Parts List
- Circuit Boards and Wiring Connection Diagram ...... 23
- Mechanical Parts Location (included Parts List) ...... 27
- Cabinet Parts Location
(included Cabinet, Accessories and Parts List) 29

I LOCATION OF CONTROLS AND COMPONENTS

0 Power switch [power (10" . - on)]
9 Eject button [eject (g)
3 Cassette holder
0 Play button and indicator [play]
(-3 RewindIReview button [rewlreview]
9 Fast ForwardICue button [itlcue]
0 Stop button [stop (I)]
Q Record muting button [auto rec mute (0)]
9 Record button and indicator [rec]
w Pause button and indicator [pause (II)]
0 Reverse mode indicator
[reverse mode( 2- Q )I
Q FL (fluorescent level) Meters
E Tape direction indicator
Tape counter and reset button
[tape counter - reset]

@ Timer start switch [51 timer (rec - on - play)]
® Balance control [balance (lelt - center . right)]
0 Direction button [direction (4» )1
6 Input level control [input level]
m Reverse mode select buttons
[mode select ( 2- <3 )1
® Tape select buttons
[tape select (Normal . CrO2 - Metal)!
0 Noise reduction select buttons
[Nosie reduction (Dolby NR C . B . out - dbx)]
@ Headphones jack [phones]
@ Microphone jacks [L . mic - R]
6 Line input jacks
6 Line output jacks
® AC power cord