Technics RS-M45 Serviceanleitung
Service
RS-M85
MECHANISM
Specifications
Track system
4-track 2-channel s tereo recordingand playback
Tape speed :
4.8cm/s
0035% (WRMS),
Wow and flutter
Frequencyresponse: M etaltape;
Cr02/Fe-Cr tape, 20 — 18,000 Hz
Normal tape;
noise
Signal-to-
ratio:DolbyNRin; 68dB (above5kHz)
DolbyNRout; 58dB
(signallevel—max.recordinglevel,Fe-Cr/Cr02
type tape)
Fast forward and
rewindtime: Approx.85 secondswith C-60 cassettetape
Technics
Slimtype Metal Tape-CompatibleCassette Deck with
DD2 Motor System and 2-Color Peak Hold FL Meter
SERIES
(DIN)
30— 18,000 Hz (DIN)
±3dB
30— 18,000 Hz (DIN)
±3dB
30— 16,000Hz (DIN)
30— 15,000Hz ±3dB
Specificationsaresubjectto changewithoutnotice.
* 'Dolby' andthe double-D symbolaretrademarksof DolbyLaboratories.
Manual
MIC;sensitivity0.25mV, inputimvedance100kQ
Inputs:
applicabie microphone impedance 4 000— ICkQ
LINE; sensitivity60 mV,input im?dance 47kQ
Outputs:
LINE; output level700mV, outputimpedance
2.5kQor less load impedance 2 kQ over
HEADPHONE; output level 125mV, load
impedance 8 — 25kQ
Rec/pb connection:
5p DINtype; inputsensitivity0.25nV, impedance
5 6kQ
output level700mV, impedance2 5 kQ
Bias frequency :
85 kHz
Motor :
FG servo DD motor
Head :
2-head system
I-SX (Sendust Extra)head for rec/playback
I-sendust/ferrite double-gap headfor erasure
AC; 110/125/220/240V,
Power requirements:
Presetpowervoltage;240V for united Kingdom.
Power consumption:
28 w
Dimensions:
Weight
6.1kg
Matsushita Electric Tradirg Co., Ltd.
ORDER
NO. ARD.7912106C
Cassette Deck
RS-M45
Silver
Black
This
is the
Service
Manual
following areas.
•For All European areas
except United Kingdom.
For United Kingdom.
50—50 Hz
P.O. Box 288, Centraosaka
Face
Face
for
the
Japan
Inhaltsverzeichnis
Verwandte Anleitungen für Technics RS-M45
Inhaltszusammenfassung für Technics RS-M45
- Seite 1 ORDER NO. ARD.7912106C Service Manual Cassette Deck RS-M45 Silver Face Slimtype Metal Tape-CompatibleCassette Deck with Black Face DD2 Motor System and 2-Color Peak Hold FL Meter This is the Service Manual following areas. •For All European areas except United Kingdom.
- Seite 2 RS-M45 LOCATION CONTROLS COMPONENTS Fig. O Elect button (elect) @ Pause button/Pause indication lamp (pause II ) @ Power switch (power) @ Record-muting button (rec mute) @ Cassette holder @ Tape selector (tape select-normal/Fe.Cr/Cr02/Metal) @ Tape counter and Reset button (tape counter)
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Seite 3: Front Panel
RS-M45 DISASSEMBLY INSTRUCTIONS Theheadazimuth canbe adjusted by removingthe cassette lid. Fig. 2 Fig. Fig. 4 Fig. Fig. 6 Fig. 7 Fig. Shownin fig. — Procedure To remove Remove Case cover . 4 screws • • Cassette lid • • Control knob••••••... - Seite 4 RS-M45 CIRCUIT BOARD ADJUSTMENT PARTS LOCATION LED CIRCVIT BOARD CONTROL KEY SWITCH HEADPHONES JACK CIRCUIT BOARD CIRCUIT BOARD FL METER HALL IC VR403 CIRCUIT BOARD CIRCUIT BOARD VR201 VRIO VR301 (Tape speed adjustment VR) INPUT LEVEL CONTROL CIRCUIT BOARD MICROPHONE...
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Seite 5: Adjustment
RS-M45 MEASUREMENT ADJUSTMENT METHODS NOTE: Keepgood condition,set leverswitchesandcontrols in the followingpositions,unlessotherwisespecified. • Make sure heads are clean. • Tape selector: Normal • Makesurecapstanand pressureroller areclean. • Input selector: Line in • Judgeable r oomtemperature: 20±50C (68±9'F) • Inputlevelcontrol: Maximum Dolby NR switch: OUT •... - Seite 6 MEASUREMENT & ADJUSTMENT ITEM @ Playbackfrequency Testequipmentconnectionis shown Playback frequency response chart in fig. 10. response PlaceUNT into playbackmode. Condition: 12.5kHz Playbackthe frequencyresponsetest 8 kHz • Tapeselector 4 kHz tape (QZZCFM). 63Hz Normal position 25QHz 500Hz Measure output levelat 12.5kHz, 8kHz, * Playbackmode + 2dB +2 dB...
- Seite 7 RS-M45 MEASUREMENT & ADJUSTMENT ITEM Testequipment connection i s shown in fig. 17. Bias leak u (L.CH) head Place UNIT into record mode Condition: Rword mode L2 (RÆH) Adjusttrap coilsLI (L-CH), L 2 (R-CH), s o that measured • Record mode value becomes minimum.
- Seite 8 RS-M45 MEASUREMENT & ADJUSTMENT ITEM 15. Adjust overallgain by short-circuittng or openingthe point onthe printedpattern in fig. 16, so that eachpositionsapproachtheir standardvalues. 16. Referto thefollowingtables for overallgainadjustment. Metal position (L•CH) Feor position (I-OH) Cr02 position (UCH) Point (C) Pont (D)
- Seite 9 RS-M45 MEASUREMENT & ADJUSTMENT ITEM • Inputlevelcontrol Place UNIT into record mode, and • Outputlevelcontrol tape selector to normal position. Overall frequency response chart (Fe-Cr,Cr02) Supply 1kHz signalfrom AF oscillator Equipment• throughATT to LINE IN. 12kHz 14 kHz 30 Hz...
- Seite 10 RS-M45 CABINET PARTS -G18 G 16 G2-3 G2-2 G2-1 & 16 GIO- Part Name& Description Ref. No. Part Part Name& Descnpt.on Ref. No. Part No. Part Name & Ref. No. Part No. QYT0562 Volume Knob-B QG01674 Push Button CABINET PARTS ,•silver...
- Seite 11 RS-M45 RS-M45 ELECTRICAL PARTS LOCATION NOTE: indicates that only parts manufacturer used safety. Ref. No. Part NO. Part Name& Description ELECTRICAL nRTS WY4123Z Reord/PlaybackHead QWY2133Z Erase Head QMA3865 ControlKeySwitchCircuitBoard Angle QMN2354 Rnrd/Playback Shaft QJC0025 Earth Plate.A QFC1204M AC power Cord •For All European areasexcept...
- Seite 12 RS-M45 NOTE: RESISTORS CAPACITORS • Carbon ECGO • Ceramic ECECI •• Electrolytic Metal-oxide ECKCJ - Ceramic ECEON - Non polar electrolytic ERO • Metal-fi'm ECCO • Ceramic ECQS. Polystyrene ECSC) • SCHEMATIC DIAGRAM . Metal-film ECFCJ • Ceramic , Tantalum...
- Seite 13 RS-M45 RS-M45 NOTE: indicatesthat only parts specified CIRCUIT BOARD by the marufacturerbe used sefety. Ret NC Pyt NO. part NO. Part ECEAIES221 Q208 2SC945 0215 MA161 CIOI ECEAIES470 Q209 2SB641R 0216 SM112 C103 cros ECUSOZR33 Q210 2SC94S 0217 RVDRD12FB 0211...
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Seite 14: Power Supply
RS-M45 SCHEMATIC DIAGRAM POWER SUPPLY & MAIN CONTROL SECTION 2SB643 REEL MOTOR CONTROL M53204P iC202M53200P 0221, - 223 0218 0213.211 INVERTER 2SB744 PREVENTION NAND 2SC1846 2SB744 REEL MOTOR CONTROL REGULA9F PLUNGER DRIVE AN6251 0033 OPERATION CONTROL R238 'K 02t3 REWOJT23... - Seite 15 RS-M45 RS-M45 CIRCUIT BOARD IC (AN6251) equivalent circuitry POWER SUPPLY & MAIN CONTROL CIRCUIT BOARD 12L (Integrated Injection Logic) Q 238 0234.235 0230 0225 Q 227 0226 0204 Q 205 0201 2SC2021 2SA786 2SA786 2SC2021 2SC2021 2SD638 2SD638 2SD836 2SC2021...
- Seite 16 RS-M45 RS-M45 RS-M45 CIRCUIT BOARD POWER SUPPLY & MAIN CONTROL CIRCUIT BOARD 0230—232 0225 Q 227 0226 0204 Q 205 0201 0238 0234.235 2SA786 2SA786 2SC2021 2SC2021 2SD638 2SD638 2SD836 2SC2021 2SC2021 1?3V 21 2V 002V HALL IC CIRCUIT BOARD...
- Seite 17 RS-M45 RS-M45 CIRCUIT SCHEMATIC DIAGRAM CAPSTAN MOTOR CAPSTAN MOTOR SECTION 0304 0302 0305 around 0.6V around 0.8V 2SB643 2SB643 2SB643 2SB744 around (1.8V) aroun Q303 REGULATOR ARMATURE COIL DRIVE C3i3 R316 Q305 (SUP) 12 ov TO POWER R312 12V(REG) SUPPLY & MAIN 8322 •C312...
- Seite 18 RS-M45 CIRCUIT BOARD CAPSTAN MOTOR 0303, 304 0305 0304 0302 around0.6V 2SB643 2SB744 2SB643 2SB643 around (1.6V) ARMATURE COIL DRIVE Q303 C313 R316 9317 C3t4 08301 C317 C306 R312 8322 C 307_ R309 HALL C308 ELEMENTS R320 around 12V around10...
- Seite 19 RS-M45 WIRING CONNECTION DIAGRAM S210: POWER ON/OFF SWIT HALL IC CIRCUIT BOARD LUG TERMINAL REMOTE CONTROL S211 CIRCUIT BOARD EARTH PLATE (A) RECORD/ PLAYBACK HEAD ERASE HEAD AC POWER CORD INPUT LEVEL MAIN AMP CIRCUIT BOARD CONTROL CIRCUIT BOARD TO CONNECTORD...
- Seite 20 RS-M45 RS-M45 3RAM POWER TRANSFORMER S210: POWER ONIOFF SWITCH F3: FUSE T200mA HALL IC CIRCUIT BOARD LUG TERMINAL F2: FUSE Tl.6A REMOTE CONTROL S211: AC POWER CIRCUIT BOARD VOLTAGE SELECTOR EARTH PLATE (A) RECORD/ PLAYBACK HEAD ERASE HEAD AC POWER...
- Seite 21 RS-M45 RS-M45 RS-M45 EXPLODED VIEWS M41 (Magnet Pulley Assembly) M42(FrI 1040 Milo M35(ldler) MIOO MIOO M 46 (Reel Motor) (Supply Reel Table) MIOO M109 Mill M112 MIOI M62 €0 MIOI M 76 MIOO MIOO M99 M56 (TakeUP Reel Table) M 40...
- Seite 22 RS-M45 RS-M45 M41 (Magnet Pulley Assembly) M42(Friction Pulley) M 78 Milo MIOO M 2 M93 MIOO M 46 (Reel Motor) M 74 MIOO Mill M105 —M28 M99 M56 (TakeUP Reel T able) MIOO M109 MIOI M112 M106 M108 M107 MIOI...
- Seite 23 Service Manual for Model No. RS-M45 represents the parts applicable to the units with sealed serial No. CL903066 and up. order No. ARD-7912106C. Please file this manual with the Service Manual for Model No. RS-M45 (original). Specifications NOTE: • AN6630 must...
- Seite 24 RS-M45 SCHEMATIC DIAGRAM CAPSTAN MOTOR SECTION (Without label type) 0304 0302 0305 around 0.8V nund 0.6V 2SB744 2SB643 2SB643 around (1.8V) around ( .6V) ARMATURE COIL DRIVE REGULATOR Q305 T500mA 18V SUP 12 ov TO POWER 12VlREG) SUPPLY & MAIN...
- Seite 25 RS-M45 CIRCUIT SCHEMATIC DIAGRAM CAPSTAN MOTOR CAPSTAN MOTOR SECTION (With label type) 0304 0302 0305 (With label type) around 0.6V around 0.8V 2SB744 2SB643 2SB643 around (1.8V) around (1.6V) REGULATOR ARMATURE COIL DRIVE 0303, 304 2SB643 T500mA 12ov TO POWER 12V•REG...
- Seite 26 RS-M45 RS-M45 CIRCUIT BOARD CAPSTAN MOTOR (With label type) 0304 0302 around0.6V 2SB643 2SB643 around (1.6V) ARMATURE COIL DRIVE 0305 0303.304 2SB244 2SB643 8324 18 OV VR30J HALL C 30 8322 ELEMENTS 8309 around12V aroundIOV D" C310 IC301 AN6630 IC 301...
- Seite 27 • The following corrected wiring connection diagram and the wiring connection diagram I • The following diagram and the wiring connection diagram in the Service Manual for in the Service Manual for Model No. RS-M45 order No. ARD-7912106C apply to the Model No.
- Seite 28 • Type (B) diagram applies to the units with sealed serial No. CL903066 and up. I For United Kingdom. I • Type (A) diagram is described in the Service Manual for Model No. RS-M45 order No. ARD.7912106C. Due to modification, however, Type (B) diagram is replaced for Type (A).
- Seite 29 Notes (e' • • ) Part Name & Descriptions Ref. SFUZMAINOI SL-MAI SFKKMAINOI Ornament File this Parts Change Notice with your copy of the Service Manual. Technics Matsu•hlt• Ek•ciric co., Ltd. Engineering P•nømic Inc. P.O. Box 288. Central Osaka Japan...
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Seite 31: Parts Location
• For all European areas except United Kingdom • For United Kingdom. Please use this manual together with the service manual for • For Asia, Latin Arnerica, model No. RS-M45 (original). Middle East Africa areas. • For Australia. • For Asian PARTS COMPARISON... -
Seite 32: Schematic Diagram
RS-M45 SCHEMATIC DIAGRAM (ADDITION) CIRCUIT BOARD (ADDITION) POWER SUPPLY & MAIN CONTROL SECTION POWER SUPPLY & MAIN CONTROL CIRCUIT BOARD R266 R260 R25B .cfi 023' 4111 Q23&v238 0234, 235 2SC2021 2SC2021 • TIMER RECORD ROTATING DETECTION WIRING CONNECTION DIAGRAM (ADDITION) - Seite 33 RS.M45 DEUTSCH Gegenstand Messung Einstellung Gegenstand Meseung Messungen und Einstellungen Frequenzgand bei Den MeBaufbau zeigt Fig. 10,jedoch ist jetzt das Testband Vormagnetisierung Den MeBaufbau zeigt Fig. 19. Anm.: Wiedeoabe QZZCFM zu verwenden. Gerät auf "Aufnahrne" und Bandw Für gute MeBbedingungen sorgen. Falls Geråt auf "wiedergabe"...
- Seite 34 Gegenstand Messung und Einstellung Messung Einstellung Gegenstand Gegenstand Den MeBaufbau zeigt Fig. 10, jedoch ist jetzt das Testband MeBaufbau zeigt Fig. 19. croa position (LINKER KAN QZZCFM zu ver-wenden. Gerät "Aufnahme" und Bandwahlschalter "Norma!" Verstar. Gerät auf "wiedergabe" schalten. Bedingung: Punkt (D) schalten.
- Seite 35 Gegenstand Meseung Einstellung Gegenstand M eseung Einstellung Meseung Einstellung 1. Den MeBaufbau zeigt Fig. 19. Abg"h 1 mit Vormagnetbbrungsstrom Croi position (LINKER KANAL) croa position (RECHTER KANAL) Gerät auf "Aufnahme" und Bandwahlschalter "Normal" Wenn der Frequenzgang zwischen dem mitteleren und hohen Fre- Verstär.
- Seite 36 RS.M45 FRANCAIS SECTION MESURES ET REGI SECTION MESURES ET REGLAGES MESURES ET REGLAGES NOTA: Réponse en fréquence å Branchez Ies appareils de mesure comme pour "I'azimutage de Courant Branchez les appareils selon Ia Fig. Pour garder l'appareil en bon état de Ia bectum téte", mais en utilisant Ia bande étalon (QZZCFM) au lies de Ia Placez l'appareil en position enregistr...
- Seite 37 SECTION MESURES REGI-AGES SECTION MESURES REGLAGES MESURES REGI-AGES Branchez les appareils de mesure comme pour "I'azimutage de Courant å Branchez Ies appareils selon Ia Fig. 19. Position croa (CANAL GAUCH Position crot (CANAL DRO tåte", mais en utilisant Ia bande étalon (QZZCFM)au lies de Ia préma"tisation Placez l'appareil en position enregistrement, le sélecteur de bande AMPLI.
- Seite 38 MESURES ET REGLAGES SECTION MESURES REGLAGES SECTION MESURES ET REGLAGES Branchez les appareils selon Ia Fig. 19. Réglaee I —Utilisation polarisatbn Position (CANAL GAUCH Position croa (CANAL Placez l'appareil en position enregistrement, Ie sélecteur de bande Lorsque la réponse en fréquence entre la plage de fréquences AMPLI.