Technics RSM 260 Service Manual

Page 1

ORDER NO. ARD-8008083C

ervice Manual

3-Head Stereo Cassette Deck

Cassette Deck

RS-M26O

(Silver Face>
Black Face

with Peak-Hold 2-Color FL Meters

and SoftrTouch Controls

m 00st SYSTEM

RS-M24 MECHANISM SERIES

Specifications

Track system

Tape speed:

Wow and flutter
Frequency response.

Signaletornoise ratio

Fast forward and
rernd time .
Inputs:

A-track Zechannel stereo recording and playback

4.8cm/s

0.05% (WRMS), t0.14% (DIN)

Metal tape; 20-20000 Hz
25720000 Hz (DlN)
257719,OOOH2 :3dB
30-14,OOOH2 :3dB (OVU)

CrOz/FerCr tape; 20-20,000HZ
25 720,000Hz (DIN)
25718,OOOH2 inB

Normal tape; 20-18,000H2
25-18,000H2 (DIN)
25716,OOOH2 i3dB

Dolbyi NR in; 67dB (above 5kHz)

Dolby NR out; 57dB (signal level: max. record,

Rec/ob connection

Bias frequency:

Power requirement:

ing level, Fe-Cr/Cr02 type tape)

Power consumption
DimenSions:

Approx. 90 sceonds with (3-60 cassette tape Weight:

MIC; sensitivity 0 25 mV, input impedance IOkSZ
applicable microphone impedance 4OOQ-10ké2
LINE; sensitivity 60 mV, input impedance 42 kSZ

Specifications are subject to change without notice.

This is the Service Manual for the

following areas.

--------- For all European areas
except United Kingdom.

For United Kingdom.

LlNE; output level 700 mV. output impedance
3.5k52 or less, load impedance 22 k9 over
HEADPHONE. output level 125 mV. load impede
ance 8/1259
5 P DIN type:
input sensitivity 10 mV, input impedance 2.8M]
output level 700 mV, output impedance 3 5k§2
75 kHz
Electrical control DC governor motor
Behead system:
2-SX (Sendust Extra) heads for record/playback
(combination type) -
1esendust/territe double-gap head for erasure
AC; 110/125/220/24OV, SOeBOHz
16 W
43.0crn(W) ><11.9cm(H)><28 2cm(D)
5 3 kg

. Dolby' and the doubleD symbol are trademarks of Dolby Laboratories.

Technics

Matsushita Electric Trading 00., Ltd.

PO. Box 288, Central Osaka Japan

Page 2

RS-MZBO

CONTENTS

ITEM

LOCATION OF CONTROLS AND COMPONENTS -----------------
DISASSEMBLY INSTRUCTIONS ------------------
MEASUREMENT AND ADJUSTMENT METHODS -----------------
ELECTRICAL PARTS LOCATION -----------------

SCHEMATIC DIAGRAM .
CIRCUIT BOARDS ...........
WIRING CONNECTION DIAGRAM -
MECHANICAL PARTS LOCATION ~
CABINET PARTS LOCATION -----------

LOCATION OF CONTROLS
AND COMPONENTS

',._

@5631)

.Om@®®@
®@®®@@® @

6) Power switch (power)

® Cassette holder

© Tape counter and Reset button (tape counter)
© FL (fluorescent level) meters

® Input level controls (Input level) (L «3 R)
Headphones lack (phones)

® Elect button (A e)ect)

® Record button (0 rec)

Rewlndlnevlew button ({ 4 row/rev)

@ Fast torwardICue button (pp fllcue)

@ Play button () play)

@ Stop button (I stop)

® Pause button (ll pause)

@ 3 head LED display (3 Head System)

® Record-muting button (rec mute)

@ Monitor swltch (monitor)

@ Dolby noise-reduction switch (Dolby NH)
69 Input selector (Input select)

Tape seleclor (tape select)

® Output level control (output level)

® Microphone Jacks (L mic R)

@ Line output lacks (LINE OU'I) (R - L)

@ Llne input lacks (LINE IN) (a . L)

@ Record/Playback connection socket (REC/PB)
® Voltage selector (VOLTAGE SELECTOR)

Page 24

ORDER NO. ARD- 8311036}?

Parts Chgnge Notice

For all European areas (N). For Asia Latin America,
except United Kingdom. Middle East and Africa
(B)...For United Kingdom. areas.

Model No.
RS-M26O

Please revise "ll orlglnal parts list in ma sarvlce Manual to conicrm lo the cnangqsi shown
herein It now part numbers Ira shown, he sure to use thorn whon orderlng ports

Reason for Chang. Tho clrolad item indicates the mean. it no mnrlting. son the Notos in the bottom column.
.. 1. Improve oorlormlnco "I
l
l. Stlndlmlzlllon 'g
i
m:
e. Other ;
Interchangeability God. "The circlod item indicalu lilo intercrl-nguuility. ii no marking, see in Note: In the bottom column.
Ports Set Production T
Original Early i Orlginol or new parts may be used In early or late production set.
A New 2 me 1 Us. original parts unlll exhausted, til-n stock now parts.
I Orlfilnil Early i Original parts may be used in surly production nets only. New parts may be uud in early or late
New 2 i L... 5 production solsl Use orlnlnol parts where posslble, tnon stock new parts.
Original Early l New puns only may be lined in early or tile production sets.
C Now 4: Lara 5 stock new parts.
D Oriulnal - Early : Original parts may be used In early production sols only. New pans my be used in late
New I Lita ; production sets only. stock botn orlalnal and new part5.
E Other i
Purl Numbcr
Model No. Hal, No. Original Part No. Now Part No. Notes (- . "l Part Name & Doscriptions
RS-M26O G3 (N) QGCM0037 QGCMOO36 3-D Bottom Cover
(Black) (Silver)
" G5 (D) QYT0586K QTY0586 " Volume Knob-A
(Black) (Silver) Assembly
" G6 (D) QTY0587K QTY0587 " Volume Knob-B
(Black) (Silver) Assembly
" G7 (D) QGOl692K QG01692 " Push Button
(Black) (Silver) (Power ON/OFF)
" G8(D) QG01694K QG01694 " Push Button
(Black) (Silver) (Monitor/Dolby NR/
Input Select)
" G9 (D) QGTlSlSK QGT1515 " Counter Knob
(Black) (Silver) (Tape Select/
Output Level)
" 640(N) XWC3B - 6-D Washer(3¢l)
" P4 (D/B) XZB40X60A02 XZBSOXGSAOZ 3-D Poly Bag

File this Part: Change Notice With your copy ol the Service Manunl.

Original Service Manual is Model No. RS- M260(D/B) Order No. ARD8008083C.

TeChnlCS (N) Order No. ARD8012131A01.
e; ' - Matsushila Electric Trading 00., Ltd.
National / Panasonic Po. 30mg. cm, Osaka Japan

Printed in JlDin