Technics RSM 215 Service Manual

Page 1

ORDER NO. ARD~8012129C09

Service Manual

Metal Tape Compatible Stereo Cassette Deck
with FL Meters, Soft-Touch Controls and
Rewind Auto-Play Convenience

[I] DOLBY SYSTEM

RS-M24 MECHANISM SERIES

Specifications

Track system

Tape speed:

Wow and flutter:
Frequency response:

Signalrto-noise ratio:

Fast forward and
reWInd time:
Inputs:

4~track 2-channel stereo recording and playback
4.8 cm/s
005% (WRMS), :0.14% (DIN)

Metal tape; 20 4- 17,000 Hz
30 -15,000 Hz (DIN)
Cr02 tape; 20716.000Hz

30 M- 15,000 Hz (DlN)
Normal tape, 20--15,000 l-lz
. 30-13,000Hz (DIN)
Dolby NR in; 66dB (above Ski-l2)
Dolby NR out; 56dB
(Signal level:max recording level, CrOz type
tape)

Approx. 90 seconds with C-6O cassette tape

MIC; sensitivity 0.25 mV, input impedance 60 k9
applicable microphone impedance 4009* 10 k9

LINE; sensitivity 60 mV. input impedance 47 k0

Outputs

Rec/ Pb connection

Bias trequency
Motor:
Heads:

Power requirements:

Power consumption:
Dimensions
Weight:

Specilications are subiect to change without notice
* Dolby' and the double-D symbol are trademarks of Dolby Laboratories

Technics

Cassette Deck

RS-M215

(Silver Face)
Black Face

This is the Service Manual for the
following areas.

[I] ~~~~~~~~ For all European areas
except United Kingdom.
--------- For United Kingdom

LINE; output level 420 mV. output impedance
1.5 ksz or less. load impedance 22k 52 over

HEADPHONE; output level BOmV load impedv
ance 89

5 P DIN type;
input sensitivity 0.25mV, imped'nce 5.3kQ
output level 420 mV, impedancel 5 kg

80 kHz

Electrical DC governor motor

2Ahead system

1-MX head tor record/ playback

1-double-gap territe head tor erasuie

IEl-"AC 110/220V. 50-60 Hz (for all European

areas except United Kingdom)

[El AC 240V. 50 Hz (only for Unted Kingdom.)

1 l W

43.0 cm(W) X 12.2 cm(l-l) X 20 6cniD)

3.9 kg

Matsushita Electric Trading 0., Ltd.

PO. Box 288, Central Osaka Japan

Page 2

RS-M215

CONTENTS

ITEM PAGE
LOCATION OF CONTROLS AND COMPONENTS~ -------------------------------------------- 1

DISASSEMBLY .NSTRUCTIONS ............................................................................ 2
MEASUREMENT AND ADJUSTMENT METHODS ...................................................... 3
ELECTRICAL PARTS LOCAmN .............................................................................. 6
SCHEMATIC DIAGRAM .......................................................................................... 7
CIRCUIT BOARDS AND WIRING CONNECTION DIAGRAM ------------------------------------------ 8
MECHANICAL PARTS LOCATION ............................................................................ 9
CABINET pARTs LOCATION ................................................................................... 9

LOCATION OF CONTROLS AND COMPONENTS

® Power switch (power)

® Cassette holder

® Tape counter and Reset button (tape counter)
Q) Recording indication lamp (rec)

(5) Fluorescent level meters

Eject button (A elect)

(E Record button (0 rec-I)

Rewind/Review button (44 rew/rev)

Fast lorward/Cue button 0} Il/cue)

Play button (b play-:3)

® Stop button (I stop)

62) Pause button I pause)

® Headphone jack (phones)

(9 Tape selector [tape select (Metal-CrOz-normal)]
® Dolby noise-reduction switch [Dolby NR (in-out)]

19 ® ® Input selector [input select (line-mic (DIN))]
® Input level controls [input level (loll-right
L04 :IIIIIIHIII Bil __ Microphone lacks [mic (left-right
m MIN 3 ® Record/Playback connection socket (REC/PLAY)
'17 ® Voltage selector (VOLTAGE SELECTOR)

® Line output cord (LINE OUT)
@ Llne input cord (LINE IN)

mmwmwwm

Page 11

MECHANICAL PARTS LOCATION

M83 M93

REPLACEMENT PARTS LIST

Rel No. Part No, Part Name Ar Description Rel. an Part No Part Name & Descriptlan Rate No. Part No. Part Name Gr Description
M33 xua4rr Sto an 4d M65 00K1o17 Steel Ball 29
w M34 XUB3FT 51o: Rm: 3e M66 QBP1873 Head Base Plate Pressure Sprlng
M1 013mm ICassene Pressure Snvlng M35 0Ew2012 Poly Waslrer M67 01211597 Bralte Arm Spring
M2 0961201 Mam Gear M36 QXL1354 Sub Lever Assembly M68 QBT1892 Head Release Spring
M3 0901202 Sub Gear M37 QXL1355 Maln Lever Assembly .
M4 QMBISSG SHPdIy Reel Table Hub M38 QML3582 Pause Loct Lever M59 0M3353 H Mme '3
M5 ODR1139 Supply Reel Table M39 0311596 Lever Release Sprlng 70 W510" WP 593 Assembly
M5 QMF2118 Fast Forward Arm BracRet M40 91111331 pressure Roller Assembly M71 QXUOUO Mow! Assembly
M7 QML3581 5",, cm. rm, M72 QXKZZBE Sub cnassrs Assembly
Me 0ML3533 Marn Control Lever M41 0RN1743 Pressure Roller Spring M73 0061199 llularsml: 6w
M9 0M13534 Record Operatron Lever M42 QML3588 Fast Forward Lever 7 009m 03'" 593'
M10 QML3586 Head Base Plate Lrlt Lever M43 09111749 Fast Forward Sprlrlg "75 09m New 0"
M44 0MA4063 Flywheel Retarner "75 0050231 Calm" '3"
M11 0ML3594 Auto-Stop Release Arm M45 xsn2+1o Screw 32x10 M77 0930274 WP 58"
M12 0ML3603 Erlse Saiety Lever Mt6 QBN1741 Change Lever Sprlng M78 0950273 Fa WW Be"
M13 QML3604 Auto-Stop Drlvlrlg Lever M47 XWAZ Washer 2d
M14 0ML3605 Auto~$top Deteetron Lever M48 0le254 room Clamper 79 (360 §$fi§;ayhak 599 "1
M15 QML3592 Change Lever M49 QXFUIEA Flywheel Assembly M80 I QMLSSBO l Record/Playback Selectlnn Lever
M16 QMR1820 Record Rod M4971 09wzo49 Poly Wasner M81 oarlses Rwd/elayhack Selection Lem
M17 QMR1821 Auto-Stop Connectlon Rod 5W5
M15 0MR1822 Elect Rod MM-2 QBWZOZG r Snap Ring M82 QXPOEO7 Fast Forward Connectron Pulley
M19 0MR1824 Control Red M50 0x01143 TaReup Reel Tobie Assembly Assembly
M20 QM11239 Flywneel anust Retalner M51 0x11332 Idler Lever Assembly MR3 QMK1838 Upper Base Plate
M52 0xro111 Takeup ldler Assembly M85 01mm Fast Forward Pulley
M21 0801357 Lock Plrl Pressure 5111le M53 0971393 TaAeup Idler Sprlng M86 QXH0327 lChassls Cover Assembly
M22 QBTIGBZ Rule-Stop Camacho" Rod SD'IHE M54 0Xro113 Fast Forward ldler Assembly M87 Qxcooeo rTape Counter
M23 QBT1894 Maln Lever Spring M55 QXI0112 Rewlnd Idler Assembly M88 QDBOZAO Counter Belt
M24 QBN1739 Selectlorl Lever Spllng M56 0XL1393 Fast Forward Arm Assembly M89 0MA3860 Counter Angle
M25 013M742 Pressure Roller Release Sdrlng M57 0Mltls4o Head Base Plate
M26 05mm Sub Gear Sprlng M53 0Mz1241 Head Spacer M90 XTN3+243 Tapping Screw $3x24
M27 03mm Maln Gear Spring M91 XSN26+3 Screw 32 6x3
M28 09mm rAuto-Stop Lever Sprlng M59 r05H174o Head aressure Sprlng M92 XTN2+GB Tapping Screw ¢2x6
M29 QEN1747 ;Canne¢tlan sorlng M60 01301273 Head Sonng M93 XTN26+65 Tapping Screw 1 .
M30 0351128 Luck Pln M61 056Aooos u M94 er26+1oa Tappmg Screw £2.5x1o
M62 0ML3691 aralte Arm M95 XTN26+12I3
M31 0301372 Reel Table Surmg M63 0M212do Sub Head Base Plate M96 er3+loR
M32 QBWZOOS Poly Washer M64 0MN2550 Roller M97 er26+69Fz Tapplng Screw $2.6X6

When servicing this mechanism unit, refer to the disassembly notes
and assembly instructions described in the service manuals of RS-M51,
RS-M13, RS-M14 and RS-M04 (RS-M24 mechanism series)

SPECIFICATIONS

Pressure of pressure roller 350 i 50 g
Takeup tension + 15
' Use cassette torque meter 45 7 logrcm
QZZSRKCT
Wow and flutter; (JlS) Less than
. Use test tape QZZCWAT O 06% (WRMS)

CABINET