Technics-RST10-tape-sm 电路图 维修手册.pdf
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1、ORDER NO. HAD8602337C2 Service Manual .j-.iDmO(: Dolby NR-Equipped Doubl Cassette Deck Cassette Deck RS-T10 Color DOLBY SYSTEM B I (K).BIack Type (S).Silver Type Switch Punctwn Color Areas (K) (S) E AH European areas except United Kingdom. (K) (S) tEK. .United Kingdom. (K) (S) EH. Holland. (K) (S) E
2、GA. .F.R. Germany. li- RS-D550W MECHANISM SERIES SPECIFICATIONS Deck system Track system Heads (TAPE 1) PLAY (TAPE 2) REC/ PLAY Erasing Motor Recording systemzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA . .H) ttoitiiu Bias frequency Erasing system nc Tape speed Frequency response Metal CrOj
3、Stereo cassette deck 4-track, 2-channel MX head I MX head Double-gap ferrlte head 1 motor AC bias 80 kHz AC bias 4.8cm/sec. 20Hz16,000Hz 30Hz15,OOOHz (DIN) 40Hz15,000Hz (3dB) 20 Hz 15,000 Hz 30Hz15,000Hz (DIN) 40Hz14,000Hz3dB 20 Hz 15,000 Hz 30Hz15,000Hz (DIN) 40Hz14,000Hz3dB 60mV/47kfi 400mV/3.2kO
4、80mV/8O 18W -ik S/N (Signal level = max. recording level, CrOz type tape) Dolby B NR In 66dB (CCIR) NR out 56dB (A weighted) Wow and flutter i I I 0.08% (WRMS) 0.2% (DIN) Fast forward and rewind time Approx. 105 seconds with C-60 cassette tape Input sensitivity and Impedance LINE Output voltage and
5、impedance LINE nouc HEADPHONES | , Power consumptlon Power supply E EH EGA 220 V EK 240V DImensiois (WXH XD) 430 x115x227mm Weight j . 3.8kg * Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. Dolby and the double-D symbol are trade marks of Dolby Labora
6、tories Licensing Corporation. Matsushita Electric Trading Co., Ltd. P.O. Box 288, Central Osaka Japan RadioFans.CN 收音机爱 好者资料库 RS-T10 CONTENTS Page Location of Controls 2 Operation 3 Disassembly Instructions 3, 4 Measurement and Adjustment Methodes 46 Microcomputer Terminal Function of Waveform 68 Re
7、sistors and Capacitors 8 Block Diagram 9, 10 Page Printed Circuit Boards Wiring Connectlon Diagram 11, 12 Printed Circuit Board 1316 Electrical Parts List 17 Schematic Diagram 1720 Mechanical Parts Location 2123 Cabinet Parts Location 2426 LOCATION OF CONTROLS Headphones jack(phones) Tape 2 counter/
8、reset button (tape 2 counter/reset) Level meters (peak level meter) Dolby noise- reductlon switch (Dolby NR) (flIOO Record button (rec-El/) Playback button (play-!/) Pause button (pause/ll) Stop/eject button (stop/eject/B/A) besqa sqsT lsM Rewind button (rew/ ) Fast-forward button (ff/) Stop/eject b
9、utton (stop/eject/B/4) Pause button (pause/ll) Cassette bolder .blJ ,.oO gnibsiTzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA oh fisqeL EABZO teitneO ,88S xo oi Fast-forward/cue button (ff/cue/) Rewind/review button (rew/rev/ ) Playback button (play- Cassette bolder IsnnoM 2 RadioFans.CN 收音机爱
10、 好者资料库 RS-T10 OPERATION To erase recorded sounds 1. Set the Dolby noise-reduction switch to the out position. 2. Set the input level control to the minimum (0) position. 3. Prepare in the same way as for recording, and then let the tape run. Note that any sounds on the tape will be automatically era
11、sed if a new recording is made on that part of the tape. Adjustment of the recording level The numbers which you should use as a guide for the adjustment of the tape level will differ depending upon the type of tape. Normal Tape CrOj Tape Metal Tape +3 dB +6 dB DISASSEMBLY INSTRUCTION ! / Ref. No. 1
12、 How to remove the cabinet Ref. No. 3 How to remove the LED meter P.C.B. and volume P.C.B. Procedure 1 Remove the 4 screws (OO)- Cabinet Eject Button Eject Button pjg l fTlBD .8 H .sHea .sHcSf .sHOes .SHJJ r .sH)* .%m8 sHAQt 3 RadioFans.CN 收音机爱 好者资料库 RST10 Ref. No. 4 How to remove the front panel Re
13、f. No. 5 How to remove the main P.C.B. Procedure 3 4 Remove the 5 screws (O ). Front Panel rierij bn Fig. 4 vuisH . i , Procedure 1 5 1. Remove the 2 screws (O, ) 2. Open the side of bacl chassis, and then pull down the back chassis. 3. Remove the 4 tabs aside. Serial Number Plate Fig. 5 * Serial No
14、. Indication The serial number plate of the product is attached to the back chassis (shown in fig. 5). I MEASUREMENT AND ADJUSTMENT METHODES Adjustment Point VR7, 8 Tape m Overall Galn Adj. VR1, 2 Tape H P.B. Gain Adj.- VR301, 302 tape H Bias Current Adj. .a,0,i amufoV- Measurement Condltion Input l
15、evel controls; Maximum Dolby NR switch; Out Dubbing switch; off Main P.C.B. VR3, 4 Tape H P.B. Gain Adj. Kt) Tape speed adjustment VR (Motor) .oM.iafi R e; :-iTl Make sure heads are clean Make sure capstan and pressure roller are clean. Judgeable room temperature 205C (68+9F) O Measuring instrument
16、EVM (Electronic Voltmeter) Oscilloscope Digital frequency counter AF oscillator Test tape Head azimuth adjustment (8kHz, - 2 0 d B ) ; QZZCFM Tape speed adjustment (3kHz, - 1 0 d B ) ; QZZCWAT Playback frequency responce (315 Hz, 12.5kHz, 10kHz, 8kHz, 4kHz, 1 kHz, 250Hz, 125Hz, 63Hz, - 2 0 d B ) ; Q
17、ZZCFM ATT (Attenuator) DG voltmeter Resistor (600Q) % 0 Playback gain adjustment (315Hz, OdB); QZZCFM Overall frequency response. Overall gain adjustment Normal reference blank tape; QZZCRA _ CrOs reference blank tape; QZZCRX Metal reference blank tape; QZZCRZ 4 ORDER NO. HAD8602337C2-A Dolby NR-Equ
18、ipped Doubl Cassette Deck RS-T10 This bool O TECHNISCHE DATEN System , , Stereo-Cassettendeck Spuren 4 Spuren, 2 KanSIe Tonkpfe (TAPE 1) Wiedergabe MX-Kopf (TAPE 2) Aufnahme/ Wiedergabe MX-Kopf Lschen Ferrit-Kopf mit Doppelspalt Motor 1-Motor Aufnahmesystem Wechselstrom-Vormagnetisierung Vormagnetis
19、lerungsfrequenz 80 kHz Lschsystem Wechselstrom-Vormagnetisierung Bandgeschwindigkelt Frequenzgang Reineisenbander Cr02-Bander Normalbander 4,8cm/s 20Hz16.000H2 30Hz15.000Hz (DIN) 40Hz15.000Hz3dB 20 Hz 15.000 Hz 30Hz 15.000Hz (DIN) 40Hz14.000Hz3dB 20Hz15.000Hz 30Hz15.000Hz (DIN) 40 Hz 14.000 Hz 3dB M
20、ESSUNGEN UND JUSTIERUNGEN MeBbedingungen EIngangspegelregler; MaximumzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA izyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA- -.-r.- : :- Dolby-Rauschunter drckungs-Schalter; out bersplelungs-Schalter; off berprfen, ob die Kpfe sauber sind. 3)OW i 3
21、3 r Jiuoiio 0 Gerauschspannungsabstand: (Signalpegel = max. Aussteuerungspegel, CrOs-Band) mit Dolby-B-Rauschunterdrckung 66dB (CCIR) ohne Rauschunterdrckung 56dB (nach A bewertet) Gleichlauschwankungen 0,08% (WRMS) 0,2% (DIN) Umspulzelt ca. 105 s fr C-60-Cassette Eingangsempfindlichkeit und Impedan
22、z LINE 60mV/47kQ Ausgangsspannung und Impedanz LINE 400mV/3,2kQ HEADPHONES t! 9 i u I D G i Bl 9D SOneupe 80mV/8Q Stromaufnahme 18W Stromversorgung Netz 50 Hz/60 Hz, 220V fr Europa auBer England 240V fr England Abmessungen(BxHxT) 430 x 115 x 227 m m Gewicht 3,8 kg 91UD9i 9b ?. ieaeeb tner 1 1 / berp
23、rfen, ob die Bandantriebsachse und die Andruckrolle sauber sind. Umgebungstemperatur fr die Messung; 20+5G (68+9 F) MeBinstrumente auiu5 eb aeonsaeluq 0 Elektronisches Voltmeter (EVM) Oszllloskop DIgitaler Frequenzmesser Audlofrequenz-Oszillator 9b so so 9b , . . Dampfungswiderstand , , , ,ii6ivb s!
24、 i9nin Gieichstrom-Voltmeter nldete .eqmsi smm na . jg eeb lueJuBrt Widerstand (600O) rv 39! leupold .egelei 9I eiqA Testband Kopfazimut-Justierung (8kHz,-20dB); QZZCFM pnBOsnsupstmszsO Justierung der Bandgeschwindigkeit (3kHz, -10dB); QZZCWAT Wiedergabe-Frequenzgang (315Hz, 12,5kHz, 10kHz, 8kHz, 4k
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