Technics RS-M260 Serviceanleitung
Quicklinks
Service
RS-M24
MECHANISM
Specifications
4-track 2-channel stereo recording and playback
Track system
4.8 cm/s
Tapespeed
0
(WRMS),±-0140/0 (DIN)
Wow and flutter
Frequency response:Metaltape;
Cr02/Fe-Crtape; 20-20,
Normal tape;
Signal-to-
noise
ratio:Dolby* NRin;67dB (above 5kHz)
DolbyNR out; 57 dB (signallevel= max.record-
inglevel, F e-Cr/Cr02 typetape)
Fast forward and
rewind time: Approx.90 sceondswith C-60 cassettetape
MIC;sensitivity0.25 mV, input impedance 10kQ
Inputs:
applicable microphone impedance 400 Q—IOkQ
LINE, sensitivity 60 mV, input impedance 42kQ
Technics
3-Head
Stereo
with Peak-Hold 2-Color
and Soft-Touch
a
SERIES
20-20,000
Hz
25-20,
(DIN)
25-19,000+
±3dB
30-14, OOOHz±3dB (0 W)
25-20, 000 Hz (DIN)
25-18,000Hz
±3dB
20-18,000
Hz
25-18,
(DIN)
25-16,000Hz
±3dB
Specifications are subjectto changewithoutnotice.
* 'Dolby'and the double-Dsymbolaretrademarksof DolbyLaboratories.
Manual
Cassette
Deck
FL Meters
Controls
LINE; output level 700mV, output impedance
Outputs :
3.5kQ or less, load impedance 22kQ over
HEADPHONE, o utput level125 mv, load imped
ance 8/125Q
5P DIN type;
Rec/pb connection:
input sensitivity10mV, input impedance 2.8kQ
output level700mV, output impedance3.5kQ
Bias frequency.
75 kHz
Electrical control DC governor motor
Motor :
3-head system;
Heads.
2-SX(Sendust E xtra) headsfor record/playback
(combination type)
I-sendust/ferrite double-gapheadfor erasure
AC; 110/125/220/240
Power requirement.
Power consumption
16W
Dimensions.
43.
Weight:
58kg
Matsushita
ORDER NO. ARD.8008083C
Cassette
RS-M260
Silver Face h
Black Face)
This is the Service
Manual
following
areas.
For all European
except United Kingdom.
For United Kingdom.
V, 50-60 Hz
Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan
Deck
for
the
areas
Verwandte Anleitungen für Technics RS-M260
Inhaltszusammenfassung für Technics RS-M260
- Seite 1 ORDER NO. ARD.8008083C Service Manual Cassette Deck RS-M260 Silver Face h 3-Head Stereo Cassette Deck Black Face) with Peak-Hold 2-Color FL Meters and Soft-Touch Controls This is the Service Manual following areas. For all European areas except United Kingdom. For United Kingdom.
- Seite 2 RS-M260 CONTENTS ITEM PAGE 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 CONTROLS COMPONENTS O Power switch (power) @ 3 head LED display (3 Head System)
- Seite 3 RS-M260 DISASSEMBLY INSTRUCTIONS *The head azimuth can beadjusted by removing the cassette lid. Fig. 2 Fig. 1 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 Fig. 8 Ref. No Procedure To remove Remove Shownin fig. Case cover 4 screws •...
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Seite 4: Adjustment
RS-M260 MEASUREMENT ADJUSTMENT METHODS CIRCUIT BOARD AND ADJUSTMENT PARTS LOCATION TP12- R276 POWER SUPPLY TPII MAIN AMP CIRCUIT BOARD CIRCUIT BOARB L205 R275- L204 L203 L206 R402 R401 R9b5 VR402 VR40 Tape speed adjustment R3b6 R407 VOLUME VR203 VR204 CONTROL... - Seite 5 RS-M26( NOTES: Set switchesandcontrolsin the followingpositions,unlessspecifiedotherwise. e Make sure heads are clean. Input level controls: Maximum. • Makesure capstanand pressurerollerare clean. Outputlevelcontrol: Maximum. • Judgeable room temperature:20±50C (68±9 'F). • DolbyNR selector:Out Tape selector : Normal. Input selector: Line. • Monitor selector: Tape. ITEM MEASUREMENT &...
- Seite 6 RS-M260 ITEM MEASUREMENT & ADJUSTMENT Tape speed fluctuation Makemeasurements in samemanneras above(beginning, m iddleandend of tape),and determinethe difference between maximum and minimum values and calculate as follows: f1—f2 Tapespeedfluctuation= x 100 (%) maximum value,f? = minimum value 3,000 Standard value:...
- Seite 7 RS-M26 MEASUREMENT & ADJUSTMENT ITEM Connectionpoints for playback equalizationadjustment (L-CH) Connectionpoint (a) Connection p oint (b) Connection p oint(c) Connection point MAIN CIRCUIT BOARD Connection p oint(b') Connection points for playbackequalizationadjustment(R-CH) Connection p oint(c') Fig. 12 Test equipment c onnection is shownin fig. 3. Playback gain 2, Playback standard recording levelportionontest tape(QZZCFM 315Hz),andusingVTVMmeasure...
- Seite 8 RS-M260 ITEM MEASUREMENT & ADJUSTMENT O Bias current Test equipment c onnectionis shownin fig. 16. PlaceUNITinto record mode,andtape selectorto normal Condition VR402(L.CH) position. VR401 (R.CH) • Record mode Record Readvoltage on VTVMand calculatebias currentby following head • Tapeselector formula: Normat position...
- Seite 9 RS-M26 MEASUREMENT & ADJUSTMENT ITEM Connectionpoint (d) Connection point (e) Connectionpoints Connection p oint(f) for recordinggain Connection p oint(g) adjustment(L-CH) Connection point (h) Connection p oint(i) Connection p oint(d') Connection p oint(e') Connection points Connection p oint(f') for recording gain MAIN CIRCUIT BOARD...
- Seite 10 RS-M260 ITEM MEASUREMENT & ADJUSTMENT 11, Set the tapeselectorto eachposition. Measure i nthesamemanner f rom step(3) to (8). 13.Make s ure that t he measured value i swithin t he range specified inthe overall frequency response chart for Fe-Cr, C ru andmetal t ape(Shown infiig. 21).
- Seite 11 RS-M260 RS-M260 ELECTRICAL PARTS LOCATION NOTE: indicates that only parts specified by the manufacturerbe used for'safety. Ref. Part No. Part Name Description ELECTRICAL NRTS QWY4125Z Record/Playt•ck (Combination Ty*) QWY2133Z Erag Head QTSY0035 Earth Plate(A) QTDIOOI Lug Terminal XTB3+10BFZ TappmgScrew93x QJT4017...
- Seite 12 RS-M260 SCHEMATIC DIAGRAM 03, 4 05, 6 ICI, 2 07, 8 09, 10 011, 12 013, 14, 15, 16 017, 18 2SC1844 (E, F) 2SC1327 (S, T, 2SC945 NE646B 2SC945 (K) 2SC945 (P, Q) 2SD592N (S, R) 2SC945(P. O) 2SA999 (E, F)
- Seite 13 RS-M260 RS-M260 NOTES: RESISTORS CAPACITORS ECEÜN •Non polar electrolytic - Carbon ECGO • Ceramic ECQS Polystyrene ECKO • C&amic ECSO Tantalum CIRCUIT BOARDS Metal-ox& ECCO C«amic • Tantalum Metal-film ECF O Ceram. Metal-film ECQM Polyester film ERQ• Fuse metallic ECQE Polyester film 01.2...
- Seite 14 M260 RS-M260 M260 CAÅACITORS ECEON ECGO Ceam* ECQS, Metal-oxi& ECKO ECSO Tantalum CIRCUIT BOARDS ECCO • Tantalurn ECFO , • Polyes* 'ilm 'ilm 017.18 ECQE. Q 34 07.8 013.14 QtS.16 tea) that parts s manufEtnr be used safety. MAIN CIRCUIT...
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Seite 15: Circuit Board
RS-M260 RS-M260 RS-M260 CAPACITORS ECEZN , Non polar electrolytic Carbon ECGO Ceramic ECQS. Polystyrene Metal-oxide Ceramic ECSZ Tantalum CIRCUIT BOARDS - Metal-oxide ECCO • Ceramic QCS. • Tantalum Metal-film Ceramic - Polyester film Metal-film ECQM Fuse type meta"ié ECQE. Polyester tdm Ql.2... - Seite 16 RS-M260 M260 WIRING CONNECTION DIAGRAM MECH' (FRONT VIEV MI 02 MICROPHONE JACK CIRCUIT BOARD ERASE 12 3 a '26 HEAD FL METER M 101 CIRCUIT BOARD LUG TERMINAL (to Mechanism chassis) EARTH PLATE- Rto S O P" 123456 M61 M60...
- Seite 17 RS-M260 MECHANICAL PARTS LOCATION (FRONT VIEW) M102 "69 ERASE 123456 HEAD FL METER CIRCUIT BOARD M92 S7 123456 M61 M60 HEADPHONES JACK RECORD/PLAYBACK €2 HEAD 'M104 POWER SUPPLY M 46 CIRCUIT BOARD M32 MSS I -x.Y32 LED CIRCUIT BOARD 0602...
- Seite 18 RS-M26 (REAR VIEW) M49-1 . M84 M 75 M70. M 78 M 38 —M73 M103 M 78 M71/ M 76 Ref. NO. Part No. Part Name& Description Ref. NO Part Name& Description QDG1199 Auto-StopGear XTN3+24d Tapping Screw+3X24 QDG1200 XSN26+3 Screw$2.6x3 QDP1823 Connection P ulley XSN2+3...
- Seite 19 RS-M260 Ref. No. part NO. Part & Description CABINET PARTS CABINET PARTS LOCATION QYPM0042 Front Assembly QYPM0042K "Black Ty*" GI-I QGOM0037 Rec-Mute Button QYFM0047 CassetteLidAssembly "SliverTy*" QYFM0047K "Black QGCM0036 Bottom Cover QKA1083 Rubber Foot QYT0586 VolumeKnoWAAssembly 'Silver Ty*' QYT0586K "Black...
- Seite 20 RS.M260 FRANCAIS MESURES ET REGLAGES NOTA: Pour garder l'appareil en bon état de marche, positionner Ies commuteurs å levier et les com- SECTION MESURES ET REGLAGES SECTION MESURES ET REG mandes dans Ies positions suivantes, sauf indication contraire. • Vérifiez que les tétes soiént propres. •...
- Seite 21 SECTION MESURES ET REGLAGES SECTION MESURES ET REGLAGES MESURES REGLAGES Si la valeur mesurée ne correspond pas å la norme, réglez de Réglage•l Utilisation du courant de polarisation Réglage (Pour I'amplificateur d'enregistrement) Ia maniére suivante. 1. Lorsque la courbe de réponse le gabarit entre Ie médium et 1.
- Seite 22 RS.M260 DEUTSCH Messungen und Einstellung Anm.: Für gute MeBbedingungen sorgen. Falls nicht anders angegeben, die Schalter und Regler in fol- Gegenstand gende Positionen stellen. Meseung und Einstellung Gegenstand Meseung • Für saubere KÖpfe sorgen. • Eingangsregler: • FOr saubere Tonwelle und Andruckrolle sorgen.
- Seite 23 Messung Einstellung Gegenstand Gegenstand Meseung und Einstellung Meseung und Einstellung Falls der meBwert nicht im vorgeschriebenen Bereich liegt, Abgleich (zum Aufnahmeverstärker) Abgleich•l mit Vormagnetisierungsstrom auf folgende Weise einstellen. 1. Den MeBaufbau zeigt Fig. 13. Werden die mittleren und hohen Frequenzen gemäBder durch- Die Gesamtverstärkung durch KurzschlieBen bzw.
- Seite 24 Africa (B). .. For United Kingdom. areas. Model RS-M260 Please revise the original parts list in the Service Manual to conform to tho change(s) shown herein. If new part numbers are shown, be sure to use them when ordering parts.