Technics RSM 85 Service Manual

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ORDER NO. ARD-7807051C

Service Manual

Cassette Deck

RS-M85

Quartz-Locked Direct-Drive Cassette Deck

Professional Series

This is the Service Manual of Model RS-M85 for PX

RS-M85 MECHANISM SERIES

Specifications (Catalog specifications for sales)

Power requirement:

Motor

Track system

Tape speed

Wow and flutter
Frequency response

Signairtonoise ratio:

AC; 110/125/220/24OV, 50/60 Hz

Preset Dower voltage, 220V tor Europe
125V for Asia

Power consumption 35W

2-motor system

Capstan; 1-quartz control phase-locked DC brush-

iess direct-drive motor

Reel tablet erC coreress motor
detrack 2-channei stereo recording and playback
4.8cm/s (1-7/8ips)
0035% (WRMS), i012% (DIN)
CrOgrFeCr tape; 20~18OOO HZ
30~t7OOO Hz (DiN)
30~16,000Hz i 3dB
20~16OOO Hz
30 -13000 Hz (DiN)
30-«14OOOH2 :3dl3
Dolby NR in: 69 dB (above Ski-i2)
Dolby NR out; 59 dB (signal ievei:

:max. recording ievei, CrOz type tape)

Normal tape;

Fast forward and

rewind time: Approx 80 seconds with C-60 cassette tape

input:

Output

Rec/pp connection:
Head r

Bias frequency
Dimensions

Wei ght

MIC; sensitiwty 0.25 mV, applicable microphone
impedance 400§2~ 10 KS2

LiNE sensitivity 60 mV, input impedance 68 K52

DiN; sensitivity 025 mV, input impedance 6.4 KS2

LiNE output level 700mV, load impedance
22 KS2 over

DiNr output leyei 700 mV. output impedance
1 5 K52

HEADPHONE; output ievel l40ml, load imped-
ance 832

5 P DIN type

2vhead system;
1-SX (Sendust Extra) head for record/playback
1-doubie-gap ferrite head for erasure

85 kHz

48.3crntW) x 9.7cm(H) x 403MB)

[1 7-3/'4(W) >< 3-7/8"(H)X15-7/8"(D)]

10 5kg (23lbs loz)

"'Doiby and the doubieD symbol are trademarks of Doiby Laboratories.

Specifications are subject to change without notice.

Technics

Panasonic Tokyo

Mambita Elemric Industrial Co., Ltd.
17 15, acrmmc, Shinbashi, Minamvku, Yokvo l05 Japan

Matsushixa Electric 'lrading 00.. Ltd.
PO Bax zagycgnlrai Osaka Japan

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LOCATION OF CONTROLS
AND COMPONENTS

® Eject button

® Power swltch

® Headphones jack

C4) Cassette holder

@ Tape counter and reset button

© FL (Fluorescent Level) meters

® Output level control

lnput level controls

© Microphone jacks

® Record button with record indication lamp
® Rewlnd button

Stop button

Playback button with playback lndicatron lamp
Fastaforwaro button

Pause button with pause indlcatlon lamp
Bias-adjustment control

Tape selector

Meter-brightness/tunctlon selector
Function selector

Dolby noiserreductlon switch

Input selector

Line output jacks

' Record/playback connection socket
Llne input jacks
Meterbrightnessadjustrnent control
Remote-control connector

Power cord

Voltage selector

it to fit 25) @ (27> at

Fig. 'l