Sonab c500 service manual

Page 1

5031ch @599
Service Munwafl

CONTENTS

Technical Specifications ................. 2
Special Systems ....................... 3
Disassembly Instructions ................. 5
Service Instructions .................... 6
Parts Location ........................ 9
Spare Parts List ....................... 15

Service Diagrams ...................... 1G

Page 2

TECHNICAL SPECIFICATIONS

Tape transport:

Tape speed:
Wow and flutter:
Iast winding time:

circuitry:

Time constants:

Bias frequency:
Frequency response:

Signal/noise ratio:

Servo controlled DC. motor.
Single Capstan. Two hard
permalloy (Hi-Mu-Metal)
heads.

4.76 cm/sec. i 1 %
i 0.15 %
100 secs. for C 60 cassettes.

Dolby B noise reduction
system.

Ouasi peak indicating record-
ing meters. _
Tape selector for standard or
chromium dioxide tape with
separate bias and correction
characteristics.

Adjusted for use with a
standard tape and a chrome
tape.

There is a tape guide enclosed
with each-apparatus.

standard tape 3180 + 120 ps
chrome tape 3180 + 70 us
105 kHz.

Standard tape

40 - 12.500 Hz i' 3 dB.

Chrome tape
40 ~15.000 Hz 1 3 dB.

. Standard tape without Dolby

47 dB.

Standard tape with Dolby
54 dB.

Chrome tape without Dolby
50 dB.

Chrome tape with Dolby

57 dB.

Ihputs: Sensitivity Irnpodanco Connoetlon
375.33?! L. 0 7 "V 1 " 1:23:29 jack
DIN 2 mV 30 k 511m DIN
socket
Line: 70 mV 180 k phono sock!"
Microphonl: Suitable to: dynamic microphones With

low impedance. or capacitor microphones.

Controls 0». level control on lhl Instrument panel tor
each channel and one in' central mlC'DDhOnE

Erasure:

Channel separation:
Crosstalk suppression:
Stereo headphones.

Controls:

Tape transport

controls:

Power requirements:

Power consumption:

Dimensions:

Weight:

60 dB.
35 dB.
60 dB.

Max output level 2.5 V.,
impedance 50 ohms, suitable
for stereo headphones with an
impedance of 8 to 600 ohms.
Connection via a 3-pole,

6.34 mm telephone plug.

The volume is regulated by
the level controls

Output level L 84 R.

Mains on/off. Dolby noise
reduction on/off. tape selector
standard/chromium dioxide.

record, rewind, stop-eiect,
play, fast forward, pause and
automatic rewind stop on/off

100, 117, 220, 240 volts A.C..
50 - 60 Hz.

25 W.
360 x 250 x 105 mm.
4.5 kg

Sub/act to change without notice.

Outputs:

DIN:

Linc:

Lovol Impedance Connection

1 2 v and ohms 5 pole om
socket

1.2 v 500 ohms Phone socket

Both outputs are allecled by the level control at "1,
rear ol the apparatus.