Technics RSM 5 Service Manual

Page 1

ORDER NO. ARD-8006057C

Service Manual

Cassette Deck

RS- M5

Metal-Tape Compatible Stereo Cassette Deck
with Dolby NR and Full Auto-Stop

' pp-

RS-631 MECHANISM SERIES

Specifications

Power requirements:
Power consumption:
Motor:

Track system:

Tape speed:

Wow and flutter:
Frequency response:

Signal-to-noise ratio:

Fast forward and
rewind time

Technics

AC; 120V, 50-60Hz

10 W

Electronic control DC motor

4-track 2-channel stereo recording and playback

4.8cm/s (1-7/8ips)

0.07% (WRMS)

Metal tape; 20- 17. 000 Hz

CrOz tape; 20- 16. 000 Hz

Normal tape; 20-15000 Hz

Dolby NR in; 66:18 (above SkHz)

Dolby NR out; 56dB
(signal |eve|=max. recording level, 002 type
taps)

: Approx. 86 seconds with 0-60 cassette tape

Inputs:

Outputs:

Bias frequency:
Heads:

Dimensions:

Weight:

Specifications are subject to change without notice
* Dolby' and the double-D symbol are trademarks of Dolby Laboratories.

Plnuanic Company

Dlvlclon 0| Mummlu EIIctrlc
Carper-non or Amorlu

One Panasonic Way. Secaucus.
New Jersey 07094

(Silver Face)

MIC; sensitivity 0.25 mV, input impedance 10 k9
over applicable microphone impedance 4009-

10kg

LINE; sensitivity 60mV, input impedance 47 k9

LINE; output level 420 mV, output impedance
1.4kS2 or less, load impedance 22 k9 over

HEADPHONE; output level 60 mV, load

impedance 8 £2
80 kHz
2-head system;

1-MX head for record/playback

1~doubIe-gap ferrite head for erasure
41.0cm(W) x 14.2cm (H) x 20.5cm(D)
[16-1/8" (W) X 59/ 16" (H) X 8~1/16"(D)]

4.0kg (8 lbs. 1302)

Pmuonic Haw-II. Inc.
320 Walakamllo Road. Honolulu,
Hawaii 96817

Plnuwnlc Can-d-

Divlslon 0| Mllsulhlll Elucllic
0' Clllldl lellld

577D Ambler Drive, Mississauga.
Ontario, L4W 2T3

Pun-molt: Sales Company.
Dlvlllon 0| Mltlulhlll EI-culc
nl Puono Rumv |nc.

Ave. 65 De lnianleria; KM 9.7
Victoria Industrial Park
Carolina. Fuerto Rico 00630

Page 2

CONTENTS

ITEM PAGE
LOCATION OF CONTROLS AND COMPONENTS ---------------------------------------------------- 1
DISASSEMBLY INSTRUCTIONS ........................................................................... 2
ASSEMBLY INSTRUCTIONS ................................................................................. 3
MEASUREMENT AND ADJUSTMENT METHODS 3
SCI'IEMAT'C DIAGRAM ..................................... 7
A'WIRING CONNECTION DIAGRAM AND CIRCUIT BOARDS -------------------------------------- 8
ELECTRICAL PARTS LOCATION ........................................................................... 9

MECHANISM EXPLODED VIEWS -----------
CABINET PARTS ..................................

LOCATION OF CONTROLS
AND COMPONENTS

(D Power switch (power)

® Cassette holder

@ Tape counter and Reset button (tape counter)
® VU meters (left-IeveI-right)

(5) Recording indlcation-lamp (rec)

® Pause button (pause) (ll)

® Record button (record) (0)

Play button (play) (>)

© Rewind button (rew) (4)

(0) Fast lorwartl button (If) (p b)

® Stop button (stop) (I)

® Elect button (elect) (A)

63 Mlcrophone jacks (mic)(|elt/right)

@ Input selector (input select)

@ Dolby nolse-reductlon switch (Dolby NR)
® Tape selector (tape select)

@ Input level oonlrols (left/input level/right)
Headphones Jack (phones)

63 Line input cord (LINE IN)

@ Line output cord (LINE OUT)

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IIIIIIIIIIIIIII
IIIIIIIIIIIIIII

Fig. 1