Panasonic-RS600US-tape-sm 电路图 维修手册.pdf

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1、ORDER NO. ARD.77O2OO9C ServiceManual Cassette Deck RS-6OOUS for United Kingdom Stered Cassette Deck with 3-Position Tape Selector RO-sIKI MECHANISM SERIES Specitications (catatog specifrcations tor sates) Power requirement: AC; 240V, 50Hzoutput: Power consumption; 8W DC electronic speed conkol motor

2、 4-track 2-channelstereo record ng and playback 4.8cm/s Wow and iutter: 0 15% (WRM) Frequncy response: Cr02 tape; 40 - 13,000 Hz Normal iape; 40-11,000H2 Signal-to.noise rat o: 45dB (S gnal level:250 nwb/m) rewind tmerApprox. 120 seconds with G60 cassette tape LNEtoltpui evel 0.7 V/ oad i.npedance 5

3、0KO HEADPHONE; output level 60mV/load irnpedance 8S) 5 P DIN type inpui level 0.28mV/1.8KO odput level 0.7Vl10Kf2 2-head system l super perrnaloy head lof record/payback lJerrite head tor eras ng 36cm(W) x9 7cm(H) x23.6cm(D) 2 9kE l4otor: Track system l REC/PB Head: Dlmmsions Weight: MIC; senstivity

4、 0 25mvlapplicable microphone impedance 600e2-20 K0 LNEt sensitivity 64mv/inplt impedance 390K9 Specit cat ons are subject to change w thout notce. Matsushita Electric Trading Co., Ltd. PO. Box 288, Central Osaka Japan National Panasonic RadioFans.CN 收音机爱 好者资料库 I I I LOCATION OF CONTROLS AND COMPONE

5、NTS O Leve controls Tape selector Leve meters O Limiter switch Noise I lter swtch Recordns indication amp Cassette comparimeni door Eject button O Stop button Fast forward buiion Rw nd button Playback button Recofd button Pause button Tape counier and resei buiton Fle set markers N4icrophone jacks H

6、eadphones jack Power switch Power cofd Lne ouiput iack Record/payback connectioi socket Line lnplt lack DI SASSEMBLY I NSTRUCTIONS Fig. 2Fis.3Fis. 4 Shown n 1ig. (A), (B) 2,72,3 (c) (D)7 Power supply circuli bodd2 RadioFans.CN 收音机爱 好者资料库 SERVICE TECHNIOUES TAPE WINDING MALFUNCTION Although un key to

7、 happen, il the tape should become wound onto the capstan or pressure roter and thus making it mpossbe to open ihe cassette door, Jolow the procedure descrlbeo oerow. lHow to oDen the cassette doorl (A) Using a O screwdriver rernove ihe hoe cap on the bottom ol the unit. Fig. 5 (B) After ths cap is

8、removed, the motor puley can be seen. There s a O groove cut n the motor pulley. Uslng a Osc.ewdriver, rotate ths motor pulley to the et (.r) n order to loosen the tape wound around the capstan or Dressure rorer. Fig.6 (C) The cassette door can be eas y opened after the tape is loosened RadioFans.CN

9、 收音机爱 好者资料库 ADJUSTMENTS Betore measufing and adlusitng Overa| freqrency response , Overal disiortion and OveralS/N rauo conl rm that the characteris tcsoi5ternsbelowarewthnsiandardwhichhavmuchrelatontoorinf|uenceoneectricalperforma.cesabove 1. Head azlmuth adiustment 2 Bias curnt 3 PlaJrback gain 4

10、overal gain 5 Playback frequency response I. TEST INSTRUMENTS 1 Pfepare lest lnstrurnents which are equivaent in accuracy to those shown be0w 2 The iest instruments should be inspected and conected by speclalists once every 6 months, bcarse a ong perlod oi use without malntenance may increase errors

11、 in indcaton 3. Warm.up the test instruments Jor 30 minutes and the set to be measured Jor 10 rninutes belore taking the measurements llnotlheremayariseanerrolordiferencebetweentheiniiaVaUeandthestab|zedValemeasLnedate|aging 4 Speclficaiions o test nstruments II. MEASUREMENT CONDITIONS Standard masu

12、rernent condltions . Amb ent temperaiure: 10-30.c (50.-86F) , Ambieni hurnidty: 30-9070 RH Power vo tage accLrracy: f 37o Posil on ot tape recorder * When measuring, place the urit under test in a horizontal posilion. Oscilltor output voiage adjustment * Connect ihe equipments as shown in the lo low

13、ing and adjust the oscillaior oulput controlknob lor 1V the attenuatof wh le keeping the attenlator at odB * When suppyng a signalto the tape recorder ampller adiust the input level usng the atteruator n t. 2 (i:1kHz) throush I II. TEST TAPE Test taoe life The more irequent v ihe tesi iape ls used,

14、the mofe the tape characteristics wil deteriorate (eC. lowering ol recofded leve wofsenng ol irequmcy response particuary n highJrequency range, and an increase in wow due to tape elongaUon)unii meas ured values become unrelable. Even n such a case when a iape is not used, but stored ior a long perl

15、od ot iime, tape shows deterioration in perlonnance because oi sell damagenetization due to storage condllions, etc Pease reler to the taoe lie speciiication and use care noi to use a tape onger than its rated liie when servicing Freouence ol use: Noi nore than 20 Umes lor each tape length Storage p

16、eriod Not more than 6 months I I X Test tape PARTS NO.PARTS NAME SPECIFICATIONS REIVARKS c.Ftl STANDARD REC. LEVEL l Tiii t.,. Io;, ._t ;:t. ,*t qrsl ! *,-, l- ,tff FJ ,ri _ _,I9 .,J1,1 . iF*3- ffi t, poo9q LqgAl j . $rr,r,.?!- _ $v - - - - _T. ._ i,iJ* . .-*5dr- Iiont #ti !. a EXPLODED VIEWS C C C

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19、 8s ,E 3 a EI ol EI s n ! rq ol 5l FI 9l Hl 4l l EI g : i : CI I 0l FI fI l 9l R e 3 ! 8 : g 3 3 E E I a 3 a e E a g 3 3 3 a a ; I I g ; I s 9 5 I ts 3 ts B 3 t .l a F a ! e E E I e a .! a a .F E a E t 3a a a F 9 9 E , ; a I E T* 6 g E = fl a a ,* : * ; i T B a 3 R R I 8 R 5 3 3 3 I b g $ R 6s 3 .d

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