Technics RS-M202 Serviceanleitung
Service
Double Cassette Deck with Dubbing Function
RS-M24
MECHANISM
Specifications
Track system
Tape Deck 1; 4-track 2-channelstereo playback
Tape Deck 2; 4-track 2-channelstereo recording
and playback
0048% (WRMS)
Wow and flutter:
4.8 cm/s
Tape speed
Frequencyresponse:Metaltape; 20— 18,000 Hz
Cr02 tape;
Normal tape; 20— 17,000 Hz
noise
Signal-to-
ratio: D olby N Rin;67dB(above 5 kHz)
Dolby NR out; 57 dB
(signallevel—max. r ecordinglevel,Cr02 type
tape)
Fast forward
and
rewind time: Approx. 90 seconds with C-60 cassette tape
Technics
Metal Tape Compatible Stereo
11
SERIES
(DIN)
30— 17,000Hz (DIN)
Hz
30— 16,000 Hz (DIN)
30— 15,000 Hz (DIN)
Specifications aresubjectto changewithoutnotice.
* 'Dolby'and the double-Dsymbolaretrademarksof DolbyLaboratories
Manual
MIC; sensitivity 1.0mV,inputimpedance15kQ
Inputs
applicable microphone impedance 400Q—I OkQ
LINE ; sensitivity 60mV, input impedance 47 kQ
Outputs :
LINE ; output level 400 mV, output impedance
2.2kQ or less load impedance 22kQ over
HEADPHONES;output level80 mv, load
impedance 8Q
Bias frequency
80 kHz
Motor :
Electrical DC governor motor
Heads:
TapeDeck 1; I SX headfor playback
TapeDeck 2; I SX headfor playbackand
AC 110/125/220/240V,
Power requirements:
Pre-set power voltage 240 V
Pre-setpowervoltage220 V for Europe
Power consumption
low
12 W for Europe and Australia
43 cm(W)x 119 cm(H)X 28 7 cm(D)
Di mensions.
Weight:
57kg
Matsushita
P.O.Box 288, Central OsakaJapan
ORDER
NO. ARD81060060C8-18
Cassette
RS-M202
(Silver Face)
This is the Service
Manual
for the
following
areas.
o.
For all European areas.
For Asia, Latin America,
Middle
East
and
Africa
areas.
For Australia.
recording
I double-gap ferriteheadfor erasure
50-60 Hz
Electric Trading Co., Ltd.
Deck
Verwandte Anleitungen für Technics RS-M202
Inhaltszusammenfassung für Technics RS-M202
- Seite 1 ORDER NO. ARD81060060C8-18 Service Manual Cassette Deck RS-M202 (Silver Face) Metal Tape Compatible Stereo This is the Service Manual for the Double Cassette Deck with Dubbing Function following areas. For all European areas. For Asia, Latin America, Middle East Africa areas.
- Seite 2 CONTENTS ITEM PAGE LOCATION OF CONTROLS AND COMPONENTS DISASSEMBLY INSTRUCTIONS.. TECHNICAL EXPLANATION. 1. MUSIC SELECTOR OPERATION 2. CONTROL CIRCUIT OPERATION 3. BLOCK DIAGRAM OF RS-M202 4. AUTO TAPE SELECTOR.. MEASUREMENT AND ADJUSTMENT METHODS.. ELECTRICAL PARTS LOCATION.. SCHEMATIC DIAGRAM CIRCUIT BOARDS...
- Seite 3 RS-M202 RS-M202 DISASSEMBLY INSTRUCTIONS TAPE TAPE TAPE Fig• 7 Fig• 8 Fig• 9 Fig. 1 Fig. 2 Mechanism unit FL meter/ Mechanism unit Ref. No. Procedure To remove Remove Shownin fig.— (TAPE 2 | NAPE [fl I Control unit Case cover .
- Seite 4 RS-M202 MECHANISM SECTION Black Main Circuit Connection Wire R604 R605 Board I. For repair,measurement o r adjustmentwith the mechanism Lug Terminal removedfrom the unit be sure to groundthe lowerbase IC60t plate of the mechanism. 2. For grounding, c onnecta extensioncord to the mechanism's...
- Seite 5 CONTROL CIRCUIT OF RS.M202 TAPE 0502 0207 0208 TAPE PLAY SWITCH 0505 0211 0212 OSOS TAPE I-I] REWSWITCH 0205 TAPE LD OF F 0514 PLAY SWITCH 0510 0507 0512 0401 0805 0803 0303 030 t OF F PLUG 0301 JACK 0303 0302 0511...
- Seite 6 RS-M202 AUTO TAPE SELECTOR — ELECTRICAL SECTION — This unit is equippedwith anauto-tapeselectorsystem that detectsthese identificationrecessesandautomaticallyselectsthe correct bias andequalization for normal,Cr02 and metaltape varieties. Thus,the noviceuser canobtainthe correct tape selectorsetting EQ AMP automaticallyto ensureproperrecordingand playbackresults. B (bias) -n RECORD/PLAYBACK 'Qli...
-
Seite 7: Adjustment
RS-M202 ADJUSTMENT PARTS LOCATION TAPE SPEED SPEED ADJUSTMENT ADJUSTMENT [TAPE 2 | [TAPE TEST POINTS FOR DOLBY NR CIRCUIT evTP11' TP12i TP5 VR402 VR401 Seriles play control ciruit board -3 pin socket VR201 PLAYBACKGAIN (L.CH) ADJUSTMENT VR202 TAPE PLAYBACK GAIN (RCH) - Seite 8 RS-M202 MEASUREMENT & ADJUSTMENT ITEM LINE OUT @ Head azimuth Ltch/R-ch output balance adjustment Playback head adjustment TAPE Record/*yback h ead Make connections as shown in fiig. 3. [TAPE TAPE Condition VTVW Oscilloscope Playback mode • Playback mode Playback the8kHzsignal f romthetest tape(QZZCFM).
- Seite 9 RS-M202 ITEM MEASUREMENT & ADJUSTMENT Playback frequency response chart @ Playback frequency Test equipment connection is shown in [TAPE m, TAPE fig. 3. response Place UNIT nto Normal tape mode. [TAPE a, TAPE +6dB Playback the frequency response test Cond'tion...
- Seite 10 RS-M202 ITEM MEASUREMENT & ADJUSTMENT Equipment Overall frequency response adjustment by recording bias current • VTVM * AF oscillator VR7 (L.CH) soon •ATT • Oscilloscope VR8 (R-CH) Record/playback LINE * Resistor (600 Q) head AF oscillator • Test tape (Recording e qualizer is fixed.) (reference blanktape) (L.CH)
- Seite 11 RS-M202 RS-M202 SCHEMATIC DIAGRAM 00".' co Otw ov iow ("w 0.01 MAIN CIRCUIT SECTION Ov tov) 013.14 09.10 011.12 07.8 Ql.2 03.4 2SD636(R 017v[01tvv 2SD636H(R 10.25 [2SD636Rj [2SD636HRj [2SD636HR] [2SD661 [2SD636R] [2SB745T] (2SC945-Q] s 'V(496w MAIN CIRCUIT BOARD St-f EC Amp...
- Seite 12 CAPACITORS NOTES: RESISTORS .. Carbon ECBA .. Ceramic ERD . ECGO.. .Ceramic .Metal-oxide ECKO..Ceramic . Metal-Oxide . Metal-film ECCO. .Ceram ECFO Ceramic .MetaI-fiIm o,otv 0.01 v (001 V) 0.01V (0.01 V) ERQ...Fuse type metallic ECQM Polyester film 0.00.' (0.0' V) Polyester film ,Solid...
- Seite 13 RS-M202 RS-M202 ELECTRICAL PARTS LOCATION MEASUREMENT & ADJUSTMENT ITEM Place UNIT intoMetal tapemode change t esttapeto QZZCRZ- andrecord 50Hz,100Hz, 2 00Hz, 0405 500 Hz,1kHz, 4 kHz, 8 kHz,10kHz,12.5kHzand14kHzsignals. Then, p layback t hesignals andcheck E40—! if thecurve iswithin thelimits shown intheoverall frequency response chart f or metal t apes (fig.15).
- Seite 14 RS-M202 RS-M202 RS-M202 REPLACEMENT PARTS LIST ELECTRICAL PARTS LOCATION Important safety notice Components identified by mark have special characteristics important for safety, TAPE When replacing any Of these components, only manufacturer's specified parts. IHz, 200Hz, E23• als and check Ref. No.
- Seite 15 RS-M202 RS-M202 Ref. No. Part No. Ref. Part No. Ref. NO. Pyt NO. R810 ERD25TJ333 ECCDIH151KD Q301. 302 2SD636R CIRCUIT BOARDS •For Australia.Asia, Latin ca07 ECKDIH223ZF Q303,304 2SK30AO C408, 409 ECEAICS331 Arnenca Mee East and Q305 2SD661R C410 ECK01H223ZF Afoca areas.
- Seite 16 M20, METER CIRCUIT BOARD osto 0505 0507 0502 2S0636(R.S) 2SB64UR.S) 2SB64'(R.S' 2S06364R.S) [2SD636Rl t2SB64'R1 (2SB641RJ (2SD636Rl 0704 Stoc 2SD636(R.s Stov IC701 12S0636Ri mode m ede 0404 AN6870 '9 66 w 2SC184«R.S) 0 zev 12SC1846RJ L_ld asog 2SB64 0506 0501 0701 (2SB6a1Rl 0405 t2S0636R1...
- Seite 17 RS-M202 M202 WIRING CONNECTION DIAGRAM SERIES PLAY CONTROL CIRCUIT BOAI • This set is available with two types of printed Circuit boards. • Type O is identified by a No mark on the main LUG TERMINAL circuit board and type A is identified by a A mark.
- Seite 18 MECHANICAL PARTS LOCATION (FRONT SIDE) CIRCUIT BOARD I TAPE 2 I M116 o.00 •c M92 S 6+ M68 M64 S13: PAUSE SWITCH M57< M35—.-.s PLUNGER (SERIES PLAY) \EI: TAPE E2: TAPE E3: TAPE FL METER CIRCUIT BOARD E4: TAPE < 'M119V TAPE2 M32 M55...
- Seite 19 RS-M202 MECHANICAL PARTS LACATION (REAR SIDE) M49-1 M49-2 M 76 TAPE [2 M 49 M124 M 78 M 74 TAPE M 73 M 07 M113 M108 : TAPE 2 Milo M123 M118 M103 M106 M106 M121 M117 M109 Mill TAPE...
- Seite 20 RS-M202 RS-M202 CABINET PARTS LOCATION S6: TAPE S8: TAPE TAPE7,' —G38's TAPE [21 G3ö TAPE TAPE ',G24 \G37 tÄPÉ-ff G 10 REPLACEMENT PARTS LIST Important safety notice Components identified by mark have special characteristics Important for safety. When replacing any of these components, use only manufacturer's specified parts.
- Seite 21 METHODES DES MEASURES ET REGI-AGES SECTION MESURES ET REGLAGES SECTION MESURES ET REGLA RS-M202 FRANCAIS Eluctuations de vitesse de défilement @ Coube de réponse Nota Ceciest å utiliser conjointement avecIe maruEl d'entretiendu modöle No. RS•M202. globale Faites Ies mesures de la méme facon que ci-dessus (au début, au milieu et en Avant de mesurer et régler, vérifiez que la courbe...
- Seite 22 MESURES ET REGLAGES SECTION MESURES ET REGLAGES SECTION MESURES ET REGLAGES fluctuations de vitesse de défilement @ Courbe de réponse Nota Autour de 400gA (position Normal) globale Autour de 470gA @osition Cr02) Faites Ies mesures de Ia meme facon que ci-dessus (au début, au milieu et en [BANDE 2 | Avant de mesurer et régler, vérifiez que la courbe de réponse en lecture est Autour de 780ßA...
- Seite 23 MESSUNGEN UND EINSTELL METHODEN Messung und Einstellung Gegenstand Gegenstand Messung und Einst RS.M202 DEUTSCH @ Gesamt•frequenzgang 2,3. Die Einstellschraube VR Vgl Fig. I so verstellen, dab eine Frequenzvon Anm. Verwenden Sie bitte diese Broschüre Zusamrnen mit der Service-Anleitung für das Modell Nr. RS•M202 3000 Hz angezeig wird.
- Seite 24 Messung und Einstellung Gegenstand Messung und Einstellung Gegenstand Messung und Einstellung 2,3. Die Einstellschraube VR Vgl Fig. I so verstellen, daB eine Frequenz von Anm- Vormagnetisierungsstrom (A) = 3000 Hz angezeig wird. [BAND 2 Spannung am Röhrenvoltmeter (V) Vor Messung und Abgleich des Gesamtfrequenzganges ist sicherzu.stellen, Bedingung: 10 (Q)