Technics RSB 10 Service Manual

Page 1

ORDER NO. HAD83122691CZ

Service Manual

Cassette Deck

Dolby NR-Equipped RS'B1O

Stereo Cassette Deck (Silver Face

Black Face

on-

This is the Service Manual I

for the following areas. I

I
E D4 ...For all E

European areas [I
except United g
Kingdom.

....For United Kingdom. .

RS-B10 MECHANISM SERIES

tModel Rs-Bto is type of Model RS-B10 El with DIN jack. J

Specifications
Track system: 4-track 2-channel stereo recording MIC; sensitivity 0.25mV. applicable
and playback microphone impedance 5.6m for
Tape speed: 4.8cm/s the model with DIN jack
Wow and flutter: 0.07% (WRMS), 10.14% (DIN) LINE; sensitivity 60mV, input
Frequency impedance 47 kg or more
response: Metal tape; 20-17000 Hz Output: LINE; output level 400 mv, output
30-15,000Hz (DIN) impedance 1.5k52 or less
40-141000Hz HEADPHONES; output level esmv
CrOz tape; 20-16,000 Hz (852) applicable headphone
(SO-15,000 Hz (DIN) impedance 89-6009
40-14000 H2 Bias frequency: 80kHz
Normal tape; 20-15,000 Hz Heads: 2-head system
30-13000 Hz (DIN) 1-MX head for record/playbaCk
40-12000 HZ 1-double-gap ferrite head for
Signal-to-noise erasure
ratio: DOIbI 3 NR in; 65dB (CCIR) Motor: Electrical governor motor
NR out; 56dB Power
(Signal level =max. input IEVEI A requirements: El -...AC; 220V, 50-60Hz
weighted, CrO2 type tape) ....AC; 240V/110V. 50-60 Hz
Fast forward and Pre-set power voltage 240V
rewind time: Approx, 100 seconds with 0-60 Power
cassette tape consumption: 7W
Inputs: MIC; sensitivity 0.25mV, applicable Dimensions; 43cm(W)x10.80m(H)X220m(D)
microphones impedance Weight: 27 kg
4009-10k9

Design and specifications are subject to change without notice.
*Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

' I 'echnics Matsushita Electric Trading Co., Ltd.
PO Box 288, Central Osaka Japan

Page 2

CONTENTS

ITEM
0 Location of Controls and Components
0 Disassembly Instructions ...............
0 Measurement and Adjustment Methods
0 Block Diagram ..........................................
- Schematic Diagram
0 Electrical Parts List

ITEM PAGE
- Circuit Boards and Wiring Connection
Diagram .......................................... 15
0 Mechanical Parts Location
9 (included Parts List) ........................... 19
11 0 Cabinet Parts Location (included Cabinet,
14 Accessories and Packing Parts List) ...... 21

LOCATION OF CONTROLS AND COMPONENTS

Power Switch
[power (I stand by(')
- l on]

[rec]

Cassette Holder

Recording Indicator\

69

© Tape Counter and Reset Button [tape counter . reset]

Input Level Control [input level]

Level Meter [lelt level - right level]

Balance

(2) Eject

Control
[balance

Button

McNeil-W

(lett .
center I

7.4

right)]

© Record Button -j

[rec- El (0)]

@ Play Button [play- E(>)]-/

© Stop Button [stop (l)]_-J

© Rewind/Review Button-J

[rew/rev (<4 )]

(9 Tape Selector
[tape select
(Normal -Cr02-
Metal)]

KQ Pause Button

[pause (I I)]

\-® Fast Forward/C ue

L® Microphone Jacks
[mic (left ~ right)]

® Headphones Jack [phones]

® Input Selector
[inputselect (1 line . I mic(DlN))]

H Dolby NR Switch

[Dolby NR (1 out- 1 in )]

Button [ft/cue (>>)]

/-@ Line Input Jacks [LINE IN (L . R)]

/-® Line Output Jacks [LINE OUT (Lo R)]

AC Power Voltage Selector
(For United Kingdom only.)

g (@I

l
r

/

/
DIN Jack (For the product with DIN jack in all European
areas except United Kingdom only.)

,2,