(D rrloNEEFl` - Creapromedia
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1. Symbol amp Description D303 D305 D307 D310 D313 D304 D316 D326 D306 ZD301 ZD302 ZD304 ZD305 Symbol amp Description Terminal LINE 301 S303 Push switch assembly RY301 Lead relay 14 Shield case Symbol amp Description Photo interrupter R1001 R1002 C1001 Symbol amp Description VR1101 Volume INPUT Part No W03B WO3C 152473 51040 RD6 2E WZ 061 0226 2A BZ 050 RD5 1FB1 WZ 073 WZ 040 Mark OTHERS Part No RKB 018 RSG 123 RSR 035 M15 414 Mark kk Sensor Assembly Part No GP 411B RD PM 201J RD PM 162J CEA 100M 16 Mark Volume Assembly Part No RCV 094 Mark Function Switch Assembly Symbol amp Description 901 S904 Push switch S905 R907 Function switch 908 Push switch Part No RSG 088 RSG 063 RSG 114 Mark xx Jack Assembly RWX 527 Symbol amp Description 701 Push switch Symbol amp Description C701 C702 C713 C714 C703 C704 C709 C710 C707 C708 C711 C712 C717 C718 C705 C706 C715 C716 C719 C721 C722 C720 Part No RSG 124 SWITCH Mark CAPACITORS Part No CKDYB 471K 50 CCDSL 101K 50 CEANL 100M 16 CEA 010M 50 CEA 100M 16 CEA 470M 16 CCDSL 470K 50 CKDYF 473Z 50 Mark Symbol Description C332 C333 C106 C206 C104 C113 C204 C213 C128 C228 C121 C221 C306 C317 C318 C325 C326 C335 C3342. 12 4 PLAYBACK LEVEL ADJUSTMENT Since this adjustment determines the DOLBY NR level during playback it should be performed precisely Setting Mode ev Playback Test Tape STD 341A 333Hz OdB AC mV meter TP1 Lch and 1 Rch of the DOLBY assembly Procedure Adjust the VR101 Lch and VR201 R ch 80 that the AC mV meter reads 1 2 dBv 0 87V 333442 008 Fig 12 5 Playback level adjustment 12 5 OVERALL FREQUENCY RESPONSE ADJUSTMENT Setting Mode nt ee Rn Record Test Tape STD 608A STD 603 STD 604 AC mV meter LINE OUTPUT Input Signal 333Hz 30dBv 31mV to LINE INPUT STD 608A 333H2 Oulpul 6 3kHz output niox Lon VRON Ren 0 548 0 8 seen a Fig 12 6 Overall frequency response adjustment 333Hz output 6 3kHz output 122 HEAD AZIMUTH ADJUSTMENT Setting Mode Playback Test Tape STD 341A 10kHz 20dB AC mV meter LINE OUTPUT VR101 VR201 Turn up to maximum position Procedure Adjust the azimuth adjusting screw for maxi mum AC mV meter readings for both L and R channels After this adjustment lock the screw with screw lock PB tica f lt ES STD 341A 10 Hz 200B Fig 12 3 Head azimuth adjustment 12 3 PLAYBACK EQUALIZER ADJUSTMENT Setting Mode RIS Playback Test Tape STD 341A 333Hz and 6 3kHz 20dB
3. 3 de 3dB 1 pl ll soe nmt kHz 6 3 2 Y N j 1 63Hz 125Hz 333Hz Empleando la STD 603 con el sistema DOLBY NR en la posici n ON tipo B C AM WE 448 4 5d8 E 7dB 1kHz 63 2 125 2 AkHr 2 43 Procedimiento 1 Ajustar el control del nivel de entrada INPUT de modo que el milivoltimetro de CA indique 27dBv 44 6mV 2 Grabar las se ales de 333Hz y 6 3kHz de la STD 608A Reproducir la cinta y ajustar la VR103 canal izquierdo y VR203 canal derecho de modo que la diferencia entre las dos sea de 0 5dB 0 5dB 12 6 AJUSTE DEL NIVEL DE GRABACI N Puesto que este ajuste determina el nivel del sistema Dolby durante la grabaci n deber realizarse con precisi n Ajuste MOdO A grabaci n Cinta de prueba STD 608A STD 603 STD 604 Milivoltimetro de CA TP2 canal izq y TP2 canal der del conjunto DOLBY Se al de entrada 333Hz 7 316mV a LINE INPUT Procedimiento 1 Poner el selector de cintas TAPE SELECTOR en la posicion NORM 2 Ajustar el control del nivel de entrada INPUT de modo que el milivoltimetro de CA indique 5 208 0 55V n OOOO Respuesta en frecuencia Empleando la STD 608A con el sistema DOLBY NR en la posici n OFF Sin embargo se compensa el canal derecho en IdB a 63Hz y 0 5dB a 125Hz debido al efect
4. RU OZ Zone r3 0701 704 t 70 706 2SC1740LN or 25C1815 152473 or 0 37014 Q703 Q705 35791 9792 gros 706 5906 MS ON OF Re VOLUME Ass y Mark No Part No Description Mark No Part No Description 101 PMZ20P130FMC Screw 111 RBF 050 Washer 102 IMZ20Y120FMC Screw 112 PMA26P040FMC Screw 103 PMZ20P120FMC Screw 104 YE20FUC Washer 105 PMZ26P060FMC Screw 106 VS20FBT Washer 107 WA17D032D025 Washer 108 PMA26P040FMC Screw 109 WA21D040D025 Washer 110 RBF 051 Washer Parts List Mark _No Part No Description 1 1 1 6 Pad 2 RHG 436 Packing case 3 RRB 151 Operating instructions 4 RHX 031 Sheet C 5 RHC 119 Polyethylene paper 6 RDE 010 Connection cord Parts List Mark No Part No Description Mark No Part No Description 1 Lock lever 51 Solenoid bracket L 2 RBH 820 Lock lever spring 52 RNL 047 Solenoid arm 3 Side arm L assembly 53 RBH 727 Brake spring 4 RBH 821 Eject spring 54 RXP 100 Plunger solenoid F x 5 RSN 027 Lever switch 55 RBH 722 Gear lever spring RSN 010 RSN 032 56 RNL 051 Gear lever 57 Solenoid bracket R 6 Side plate L assembly 58 REB 446 Drive beit 7 RNK 995 Cylinder 59 RXB 376 Drive arm full assembly 8 REB 323 O ring GO essa RGSS REB 447 9 RNL 053 Piston 61 RBH 724 Idler pressure spring 10 RBH 822 Connection rod
5. SOse Fig 12 1 Contenu de la bande 08558 STD 341A 12 R GLAGES LECTRIQUES Pr cautions l Les r glages m caniques doivent tre termin s 2 Nettoyer les pi ces suivantes l aide d un b tonnet imbib d alcool t te d enregistre ment lecture galet presseur t te d effacement courroies en caoutchouc et cabestan 3 D magn tiser la t te d enregistrement lecture l aide d un d magn tiseur de t te 4 Ne pas utiliser de tournevis magn tis pour les r glages 9 Les r glages et les mesures doivent tre r alis s pour les canaux de gauche et de droite avec la tension d alimentation nominale 6 Les r glages doivent tre effectu s dans l ordre indiqu dans ce manuel de service Une modifi cation de cet ordre peut emp cher la r alisation de r glages corrects et peut provoquer une baisse de performance 7 Les niveaux en cours de mesure sont bas s sur OdBv 1V Raccorder une charge fictive de 50 kN 47 52 kQ entre les bornes de sortie OUTPUT 8 Laisser chauffer vieillissement le CT 5 pendant quelques minutes avant de proc der OE RAP APA APUD APA APA LEE OD PU AEP OLE SEP GP P GP SPP ato a ee ep ce a r gler ensuite le 1 cahal gauche et le VR501 canal droit afin 86 l indicateur 1mV CA indique 2 2dBv 176mV 5 Transmettre le signal d entr
6. 17 AJUSTES EL CTRICOS Wonder UM 41 PIONEER ELECTRONIC CORPORATION 4 1 Meguro 1 Chome Meguro ku Tokyo 153 Japan U S PIONEER ELECTRONICS CORPORATION 85 Oxford Drive Moonachie New Jersey 07074 U S A PIONEER ELECTRONIC EUROPE N V Luithagen Haven 9 2030 Antwerp Belgium PIONEER ELECTRONICS AUSTRALIA PTY LTD 179 184 Boundary Road Braeside Victoria 3195 Australia MAY 1981 Printed in Japan Miscellaneous Power Requirements AC 120 V 60 Hz Power Consumption 23 watts Dimensions 420 W x 99 5 H Aur D mm 16 9 16 x 3 15 18 Hil x 9 9 16 D in Weight without package 4 5 kg 9 Ib 15 oz Furnished Parts Connection cord with pinplugs 2 Operating instructions 1 Note Specifications and the design subject to possible Modifications without notice due to improvements NOTES 1 Reference Tapes Normal LH DIN 45513081 6 or equiv CrO DIN 45513 BLATTAI Gro or equiv 2 Reference Recording Level Meter 0 dB indicatihg lel 160 nwb m magnetic level Philips cassette reference level 3 Reference Signal 333 Hz 4 Wow amp Flutter e JIS 3 kHz with accustic gompensation weighted rms value DIN 3 150 Hz with 0 39 6 com pensation weighted PEAK value DIN 45507 5 Frequency Response e Measured at 20 dB l vel DOLBY NR OFF level dev
7. Procedure Set the TAPE SELECTOR to the NORM position Adjust the INPUT level control so that the AC mV meter reads 5 2dBv 0 55V LL A EL ELE a m m a m a 333uz 2 2 ARM Using STD 603 with DOLBY NR OFF 63 Frequency Response Using STD 341A with DOLBY NR OFF However the right channel is compensated by 1dB at 63Hz and 0 5dB at 125Hz because of the insulation effect 63Hz 250Hz 333Hz 1k Hz 10KHz Overall Frequency Response Using STD 608A with DOLBY NR OFF 63Hz la5H ZkHz 63 12kHz 36 Using STD 604 with DOLBY NR ON B C type 125Hz 333Hz R O Rch 0 VR403 TP1 Leh R O 0 Lch i Lch TP1 Rch VR503 VR501 VR401 i VR402 p2 ich TP2 Rch 0 O 1 Using STD 604 with DOLBY NR OFF Fig 12 8 Frequency response Lch Roh gt Dolby assembly I Rear panel R203 Rch Su Bias adj VR103 Lch VR101 Lch Bias adj P B level adj VR202 Rch Rec level adj a Mother assembly a VR201 Rech Ha 2 P B level adj VR102 Lch Rec level adj 1111 Front panel Fig 12 9 Adjustment points Poner el interruptor de redu ti n de ruido Dolby DOLBY NR en la positi
8. 04 Lo tv p E 3 S B y t tage EHO ta 5 vd 1 50 I 4 0 015 AA tesa 00027 M A 4 j Ti Raa 20 103 30 o e6 A 43 12k ue cm Dans LAR AA 2428 Rag DOW 8435 2705 3 t 12 01 80 A 2401402 9041406 408 a D50507 54 506 506 0588 152473 ss 9 A 23 5 e 7 msi 5 P 3 gt oe dx mmi Be gt 0 i e gu i E Moe td 553 s gt sen gt 0 4 4 3 Due ref Poe 298933 Lor 5 e 2824 10K pe B gt d i 440 Y s 1 7 11 i 908 TIERE 51 01 34 1 LM t i 573 2 22 10 16 Paes Tone N ood PA Re Dior Bios Rete Ror 066 Ou De TOR n 0601 8 039 2 ote 3 E i 1 t 4 10 11 12 SOTIMGLN SENSOR Assy wosc 55 4 6 6e us 2 emu pem Rrno O Dees ran 1 po 0 1 qe m Que de 1 2 HN L2 S ser 0 US l T Y 1g a Di DETECTOR Ass y xri 16 Ihe CS 2 des 352 47 pt nd Mucius EE i METRO pl
9. 10 15 Ben 5H She BT Miet ux gei D NE p20 EI XS 1 ee 09 8 y EA 458515 PE LT 1 ho o 212515 Ao Rasa tm i 25A833LN SEZSATONS 4 eee eye Y N n a p E Y han 1 1 254937 PH ssl lk T pee or bd ld ON Fons 1 1076 1 7 2 R sa Cae 5 0 10 8 baba L 4 Rial 47K ris 2 1 1 e d 7 MPX rr FILTER 813 568 Pray 14 15 1 2 8 P C BOARD CONNECTION DIAGRAM E JACK Assy RWX 527 HEADPHONES s i Boi fe 53333 ic Poca mus 4 A Tris 35 VAN ns arr i i a t 203 104 dh I F giga EF ay FH i1 B spiel us Po O RM EI pP X H Hd 1 2 lt l 4 E 4 P UV gir RRS Ri Mu rian eae e Meu qi l i 1 i Rust 328 T Pons anm Pe Lea uer es MIC re m T PT SP Raadi O p T Tas wki E 2x Pb cds os D ug n 1 9 pl y ORE Se p we 1 iiu ao 3277 ppe ia F 1 14 FS 252 1 N Sm ALC 347135 Se tm as es 08 lt He 88 Fam Jal RoS dd de de heath FP um v ji tm
10. 12 5 AJUSTE GENERAL DE LA RESPUESTA EN FRECUENCIA Ajuste Modo Naas grabacion Cinta de prueba STD 608A STD 603 STD 604 Milivoltimetro de CA LINE OUTPUT Se al de entrada 333 12 30dBv 31mV a LINE INPUT trade de l nea HL Cabeza de 333Hz tes 30dBv 31 T e TVR d VA de entrada d Salida de linea 28 LAT 7 4 reproducci n A pue 4 A Salida de 33389 salida de 6 3kHz vR103 7 103 canal izq 841 La VR203 canal der 0 508 0 5 dB Fig 12 6 Ajuste grabaci n reproducci n de la respuesta en frecuencia 12 2 AJUSTE DEL ACIMUT DE LA CABEZA Ajuste Modo att reproducci n Cinta de prueba STD 341A 10kHz 20dB LINE OUTPUT incrementar a la posi ci n m xima Milivolt metro de CA VR101 VR201 Procedimiento Ajustar el tornillo de ajuste del acimut para que el milivolt metro de CA ofrezca las lecturas m ximas de los canales izquierdo y derecho Despu s de este ajuste enclavar el tornillo con el bloqueador del tornillo Tornillo de ajuste del acimut t 1 Salida de linea Lal LINE OUTPUT Cabeza de reproducci n d 1 L 50 0 2 A Lectura m xima STD 341A 10k Hz 048 Fig 12 3 Ajuste de acimut de la cabeza 12 3 AJUSTE DEL ECUALIZADOR DE REPRODUCCI N Ajuste Modo Sees reproducci n Cinta de prueba STD 34
11. 3 R gler ensuite le CT 5 sur le mode de reproduc tion et transmettre le signal d entr e 700Hz 10dBv 316mV au TP1 canal gauche et TP2 canal droit du montage principal 4 R gler l att nuateur afin que l indicateur 2mV CA indique 2 2dBv 776mV et 37 VEAU DE LECTURE niveau de DOLBY NR pen 12 4 REGLAGE DU NI Ce r glage d terminant le dant la lecture il doit tre r alis avec pr cision Pr paration Mode sgh EIS Lecture Bande d essai STD 341A 333Hz 0dB Millivoltm tre CA TP1 canal de gauche et TP1 canal de droite de len semble DOLBY Proc dure R gler VR101 canal de gauche et VR201 canal de droite de mani re ce que le milli voltm tre CA indique 1 2dBv 0 87V n T te de c VR101 canal de gauche lecture gt VR201 cenal de droite Y Canal de Teat nal de D 11a Che droite R STO 3 133Hz 038 T Y 1 2089 0 87 JE Fig 12 5 R glage du niveau de lecture 12 5 REGLAGE DE LA REPONSE EN FREQUENCE GLOBALE Pr paration Mode Enregistrement Bande d essai STD 608A STD 603 STD 604 Millivoltm tre CA Sortie de ligne LINE OUTPUT Signal d entr e 333Hz 30dBv 31mV l entr e de ligne LINE INPUT d enregistrement Entr e de ligne LINE INPUT T te m d entr e X So
12. C304 C316 Capacitor array Part No COMA 223K 50 COPA 332J 100 CCDSL 220K 50 CCDSL 101K 50 CCDSL 101K 500 CCDSL 471K 50 CKDYF 1032 50 CKDYF 473Z 50 CKDYF 1022 50 RCG 007 Mark RESISTORS When ordering resistors convert the resistance value into code form and then rewrite the part no as before Symbol 8 Description VR101 VR201 Semi fixed 22k B VR102 VR202 Semi fixed 10k B VR103 VR203 Semi fixed 150k B R102 R104 R157 R202 R204 R257 R302 R307 R309 R334 R336 R343 R346 R347 R349 R355 R301 R348 R335 R344 R345 R308 Symbol amp Description Q101 Q104 Q114 Q201 O204 0214 0302 0102 0103 0202 3203 0311 0313 0303 0308 0310 0314 0315 0304 0307 0301 1C301 1C302 D301 D302 D308 Part No RCP 150 RCP 195 RCP 193 RCP 149 RCP 155 RCP 200 RD PMOODS RDA PSFODOJ RD PSFOOOJ RS1PFODOJ Note Mark A A SEMICONDUCTORS Part No 25017401 2561815 25C2021 LN 25C2634NC 2SC2240 28C1740 S 25C1740LN S 2SA933LN 2SA1015 25 937 25 1127 2SC2060 2SC2673 28C1383NC 2SD837 25D1031 25D686 PM9002 MB74LS122 HD74LS122 SN74LS122 S2VC10RF S2VC10F we kk Mark 25 11 3 R GLAGE DE LA VITESSE DE DEFILEMENT DE LA BANDE 1 Raccorder le fr quencem tr aux bomes de sortie LINE O
13. J q TP Canal de __ Canal dem gauche L 7 droite R VR d en tr e e Fig 12 7 R glage du niveau a Utilisation de STD608A avec le circuit Dolby en service ON type B C lt lt d 48 5 4 E 5B 4 2kHz 63Hz 125Hz 333Hz 4 1421088 2 Utilisation de STD603 avec le circuit Dolby hors service OFF 1 e EXT 7 45 UMS t ct 1kHz 63Hz 125Hz 2 6 3kH2 12k Hz 39 Proc dure 1 R gler la commande de niveau d entr e INPUT de mani re a ce que le millivoltm tre CA indique 27dBv 44 6mV 2 Enregistrer les signaux 333Hz et a 6 3kHz sur STD 608A Lire la bande et r gler VR103 canal de gauche et VR203 canal de droite de maniere a ce que la diff rence entre les deux soit de 0 5dB 0 5dB 12 6 REGLAGE DU NIVEAU D EN REGISTREMENT Ce r glage d terminant le niveau de DOLBY NR pen dant l enregistrement il doit tre r alis avec pr cision Pr paration Mode E Aceh se Enregistrement Bande d essai STD 608A STD 603 STD 604 Millivoltm tre CA TP2 canal de gauche L et TP2 canal de droite R de l en semble DOLBY Signal d entr e 933112 10dBv 316mV a l entr e de ligne LINE INPUT Proc dure 1 Placer le s lecteur de bande TAPE SELECTOR sur la position NORM 2 R gler la commande de niveau d en
14. Quot 201 2SC1740LN or 5 Q303 515 255933LN or 25 015 or nto 258937 NOTE The indicated only Other ali are listed in the 528 DOLGY aswy 1226 LEOROS 867 680 0 152473 4 3 eos 9 60 rcsosser fono 0401 402 404 406 406 1 4 1 4 608 10623507P 0501 302 504 506 508 mi E reo 6890 81 roazsoae Sere 00403 406 407 0303 608 507 MeT4tSi22 yla MUTING p 10602 SENSOR At FORO UN Ey FILTER ON OFF r 5 1 r S302 DOLBY NR ON OFF ACT Ranson 5503 DOLBY NR TYPE 8 TYPE NC 304 TIMER REC OFF PLAY 1 arana y 70 ALC ON OFF i us oos nse 5702 INPUT SELECTOR MK i o i a b g t 5703 INPUT SELECTOR Mic 08 E ir fe 6104 1 i LINE 1 sed O ON OFF 7 pe OUTPUT 4 9902 ON OFF A Pa 903 STOP ON OFF QN3 114 213 214 D 5904 PLAY ON OFF 250174010 5 MART E bad S30 pause ON OFF ES s906 REC ON OFF 1 T T 907 REC MUTE ON OFF 908 5 08 OFF t 1201 ERASE PREVENT DE
15. CrOe METAL NORM HIGH FREQUNCY 333Hz REC LEVEL IGQOPWB mm 6 60Hz SON 0 3 6 558 51301 BY NR SYSTEM 1 2 IC 60 HA11226 IC 6091174 AER DU AAA 5 5 1C610 REC ON 6051272 IC6091 3 4 303 CTYPE ON 0 O B TO 0018 C Sw 9 8 TYPE Lou x 4 IK ic 10 6 8 D IK 8065 LEDBO BTYPE DOE lt LINE MUTE 4 REC MUTE 2 POWER SUPPLY 0303 6301 S o Ww o o o o N 7 BLOCK DIAGRAM UNE fate ee INPUT rasan AMP mic gt VR 1001 16 701 INPUT 4348 FROM REC AMP BIAS TRAP REC PB HEAD 5 5 41dB 4 204 SPECTAL NORM OFF 5 ANTI 8 3487 SATURATION BIAS VR 103 TT mes 3 EET AE ei Rech VR 203 ERASE 7 HEAD 0 232 o31 AQ REC ON LED 803 LED 804 METAL cr O2 OFF 5506 5 6 16 JO O MS 4 4 Sw 1 1 1201 922 ee ae S90 5902 5903 5904 S905 5906 FF REW STOP PLAY PAUSE REC CONTROL CIRCUIT 8 External Appearance of Transistors and ICs 25 1015 1e n Lot No 2801815 xL GP 411B 2502240 Type No 2SA933LN Suffix 2502021 258017401 ha Lot No 28 937 3 Type No Type No 2801740 28
16. GENERALLY MOVES FASTER THAN x This classification shall be adjusted by each distributor because it depends on model number temperature humidity etc Miscellaneous Parts CAPACITORS P C BOARD ASSEMBLIES Mark Part No Mark Part No Symbol 8 Description _ CCDSL 181K 50 m 5 5 CEANL 100M 6 RWX 528 Indicator assembly CEA R22M 50 RWX 526 Mother assembly CEA R47M 50 Sensor assembly CEA 010M 50 Volume assembly Function switch assembly CEA 4R7M 50 CEA 100M 16 RWX 527 Jack assembly RWX 550 Dolby switch assembly Detector assembly OTHERS CEA 100M 35 Mark Part No Symbol amp Description CEA 470M 10 CEA 330M 16 7 Power transformer 120V CEA 470M 16 A RDG 022 AC cord CEA 470M 10 A RDG 030 A RXP 092 Plunger solenoid P CEA 101M 25 CEA 101M 16 RXP 100 Plunger solenoid CEA 221M 25 x RXP 101 Plunger solenoid R CEA 221M 6 3 RXM 076 Motor assembly CEA 221M 16 RPB 096 Erase head RPB 097 REC PB head CEA 471M 35 CEA 332M 25 Mother Assembly RWX 526 COMA OS SO COMA 153J 50 SWITCH AND COILS COMA 2231 50 Mark Part No Symbol amp Description COMA 473J 50 RSB 028 S304 Rotary switch CQMA 182K 50 RTF 089 L101 L201 MPX filter coil COMA 103K 50 RTF 084 L102 L202 Trap coil CEA 2R2M 50 RTF 085 L103 L203 Peaking coil 3 9mH COMA 104 50 RTF 086 L104 L204 Peaking coil 1 5mH COMA 102K 50 RTF 057 L301 Line coil COMA 332K 50 OSC coil COMA 2733 50 RTD 026 302
17. a 700Hz 10dBv 316mV sur LINE INPUT 6 R gler le CT 5 sur le mode d enfegistrement et raccorder l indicateur mV CA sur la borne REC OUT du montage Dolby R gler la com mande de niveau d entr e INPUT afin que l indicateur mV CA indique 32 6dBv 23 4mV 7 R gler le commutateur du r d tteur de bruit Dolby sur ON position typ amp C et r gler latt nuateur afin que l indidat amp ur CA indique 32 6dBv 23 4mV ef r gler ensuite le VR402 canal gauche et le VR502 canal droit afin que l indicateur 2mV CA indique 21 6dBv 83 1mV T te de repradudtion Vis d azimut enregistrement A A Yl F 2 Ih eur e S iy Fig 12 2 R glage de 2 la t te 12 1 R GLAGE DU SYSTEME DE REDUCTION DE BRUIT DOLBY R glage Modes scares a Enregistrement Signal d entr e 700Hz 10dBv 316mV sur LINE INPUT Indicateur 1mV CA TP1 canal gauche canal droit du montage Dolby Indicateur 2mV CA TP2 canal gauche canal droit du montage Dolby Les canaux droit et gauche tant identiques la num rotation des bornes TP du montage Dolby est valable pour les deux canaux Voir la Fig 12 9 lors du r glage M thode 1 R gler la commande de niveau d entr e afin que l indicateur 1mV CA indique 2 2dBv 1 76mV 2 R gler le VR403 canal gauche et le VR503 canal droit afin que l indicateur 2mV CA indique 2 20 776mV
18. 2 Desserrer la vis et r gler la position de montage de l lectro aimant d avance rapide FF de mani re ce que le trou carr de l ensemble support de bobine soit de niveau avec la bosse de l ensemble du bras d entra ne ment c est dire avec un cart z ro comme indiqu sur la figure 11 5 11 7 R GLAGE DE L ELECTRO AIMANT DE REBOBINAGE REW 1 Mettre la platine en mode de rebobinage REW 2 Desserrer la vis et r gler la position de montage de l lectro aimant de rebobinage REW de mani re ce que le trou carr de l essemble support de bobine soit de niveau avec la bosse de l ensemble du bras d entra ne ment c est dire avec un cart z ro comme indiqu sur la figure 11 5 30 11 MECHANICAL ADJUSTMENTS 11 3 TAPE SPEED ADJUSTMENT 1 Connect the frequency cou itef to the LINE OUTPUT terminals 2 Play back the 3kHz portion of the STD 301 test tape At the beginning fhe frequency should be lie within the 2995Hz 3010Hz range and may be adjusted By turning the semi fixed resistor located in the capstan motor adjustment hole as shown in Fig 11 2 Tape speed is increased by turning the 28 88 resistor clock wise and decreased by turning counter clock wise 2l Capstan motor gt Tape speed increased lt lt di SX Tape speed decreased YS 4 screwdriver Fig 11 2 Tape speed adjustment 11 4 REC DETECTOR SWITCH ADJUSTMENT Adj
19. e ge Liv e pene 77k sa Rim 1 tfc 1 8 eH i 11313 0981 LS le LEDdot bas in T SEA 0 SA Y E TA Reg 994 040 2 FOK Hor gL E089 5 807 us 0803 iive uy Gh Sefa fe QUK Pla EDs e g RAW 177 100K i t 1 me ST 066 2d to 805 i 6 PASE REC INDICATOR RWX 528 L cao E TEN T p 0 MOTHER Ass y RWX 526 Q203 0206 6 an Q3 e at 208 Q209 22 0 212 2312 Q3 09 0 ass gate 26 01 101 VR203 VR103 L302 E L202 L102 STOP 6 0303 30 3LN 0022 185 PO OFF po L 2 0 220 16 low ix AN 4 qna n4 213 219 285C1740LN Ww 202 Nor 5 433 25C1740 8 E US or 2517 40L N 1174101 2 oe fto Sd 5 85 Lx 7 103 209 208 e 1440 gir 5522 oor Cal RMS TIK gtoaan2 204 212 80 68 78 8 i 2eCITADLN p 2561815 15354 we 075 d 20395 0049 041 50 Ra gt 560 QUE 7 6 e gt 130 5 2 yo da 1 y ji sg sas 2 4 32 o PT v ve c 5 323 2 Zt Ls ort 3 SLO ps 1 Me HI Dis Loe lo CENT TAY Mor TOK Er I 1 1 047 al En
20. input signal level during recording is adjusted automatically when it is relatively hard to adjust the recording level or wheh something is to be recorded in a hurry 40 MIC jacks Insert the microphone plugs L and i to these jacks when recording with microphones 49 DOLBY NR ON OFF switch Depress this to the ON position wen recording or playing back a tape with the Dolby noise reduction system DOLBY NR B C type indicator 6 Dolby NR system s dhse program with the Dolby 2 DOLBY NR B C type selector Depress this to select type B or The center B C indicators light in 3 MPX FILTER switch Depress this when recording an FM noise reduction system TIMER start switch This switch is operated for unattendil fecording or playback at the time set on the used tir set on the timer using the timer REC For automatically recording timer OFF For when the timer is not bein PLAY For automatic playback at the 15 PHONES jack Insert the plug of the stereo headphonds ififo this jack 2 FRONT PANEL FACILITIES OPERATION MODE indicator PIONEER sresec casserte 3 AUTO TAPE SELECTOR indicator 1 POWER switch Push this switch to turn on or turn off power When switch is depressed power is supplied and POWER indicator lights When switch is released power is turned off and POWER indicator is extinguished 2 EJECT butto
21. r glage Nettoyer les deux supports de bobine le ca bestan et le galet presseur l aide d un b tonnet imbib d alcool 11 1 REGLAGE DE LA FORCE D APPUI DU GALET PRESSEUR 1 Mettre la platine en mode de lecture 2 Appuyer doucement sur le bras du galet presseur l aide d une jauge de pression et s parer l g rement le galet presseur du cabestan 3 Laisser ensuite revenir le galet presseur sur le cabestan et lire la valeur lorsque le galet pres seur commence tourner Si la valeur lue ne se situe pas entre 350g et 550g remplacer le ressort du galet presseur ___ Indicateur de tension Pi ce n9 GGK 047 Cabestan ben Bras du galet presseur i Ressort de pression du galet presseur Pi ce n RBH 742 Fig 11 1 R glage de la pression du galet presseur 11 2 REGLAGE DU COUPLE DU SUPPORT DE BOBINE Mesurer le couple l aide d un dynamom tre dans les modes de lecture d avance rapide FF et de rebobinage REW Les valeurs mesur es doivent normalement se situer dans les limites admissibles donn es au tableau 1 Si les valeurs mesur es se trouvent en dehors des plages indiqu es remplacer l ensemble support de bobine TU r ception et ou l ensemble support de bobine d biteur la poulie libre TU ou l ensemble complet du bras d entrainement Tableau 1 Support de bobine d bitrice Support de bobine TU 35 55g cm 75 110g cm 2 59 Mode de lecture Mo
22. supply reel base assembly TU idler or drive arm full assembly Table 1 TU reel base Supply reel base Playback mode 35 55g cm 2 5g cm FF mode 75 110g cm 2 5g cm REW mode 2 5g cm 75 110g cm Do notes back tension torque Boss Driving arm full assembly REW position FF position 2 0 separation gt lt 0 separation Idler gear Supply reel base assembly Idler gear Supply reel base assembly Supply reel base assembly FF solenoid solenoid F REW solenoid solenoid R Fig 11 5 FF REW solenoid adjustment 28 11 5 DETECTOR ASSEMBLY ADJUSTMENT Loosen screw and adjust the detector as sembly mounting position when the NORMAL cassette tape is loaded into the holder the slide switch OFF and the METAL cassette tape is loaded the slide switch is ON Fig 11 4 Detector assembly adjustment 11 6 FF SOLENOID ADJUSTMENT 1 Put the deck into FF mode 2 Loosen screws and adjust the FF solenoid mounting position so that the square hole of the reel base full assembly is flush against the boss of the driving arm full assembly i e 0 separation as shown in Fig 11 4 11 7 REW SOLENOID ADJUSTMENT 1 Put the deck into REW mode 2 Loosen screw and adjust the REW solenoid mounting position so that the square hole of the reel base full assembly is flush against the boss of the driving arm full assembly i e 0 separatio
23. 02634 hre re 2SD686 Lot Ne 2SC2634NC 2SA1127NC 11 2 ET y ES Type No L B 25 2060 hre Lot No AN6552 1 NJM4558D NIN BA4558 e inde 5 4P 2SC2673 Type No A 2SD837 RAT HA11226 ad 44 E A C N I 1 PM9002 28D1031 TYPERNE TC4066BP MB84066BM Um HD14066B HD74LS122 MB74LS122 SN74LS122 Ur 29C1383NC Type No BA328 C NU Lot No 8 Ng M D B M M BA6124 SEA 8 0 23 7 semiconductors are representative ones ternative semiconductors may be used and parts list gt t 10412 345580 m er BASIE A3 A T 7 ER Indmad in Q 4W 45 tolerence otherwise noted k il 27 61 2 KI 2 20 tolerance 2 CAPACITORS indicated in capacity uFl valtage V unies otherwi noted pF Indication without volue is SOV electrolytic capacitor 3 VOLTAGE voltage V s no input vinat a ii The mark found on some component parte indicates the m portance of the safety factor of the part Therefore when replacing be sure to use parts of identical dengnation Thi is the bane schematic diagram but the actus circuit may vary due to improvements in deban RESISTORS Note Whenorder
24. 1A 333Hz y 6 3kHz 20dB Milivolt metro de CA LINE OUTPUT Procedimiento 1 Reproducir las partes de 333Hz y 6 3kHz de la STD 341A y comprobar la diferencia entre los dos niveles de salida no exceda de 1 5dB 2dB 2 Conectar el terminal no 22 al terminal no 23 del conjunto principal Reproducir ne nuevo las partes de 333Hz y 6 3kHz y comprobar que la diferencia entre los dos niveles de salida no exceda de 2 5dB 2dB m Salida de linea Cabeza de LINE OUTPUT Posici n NORM repr roducci n 4 D 1 Salida de 333Hz salida de 6 3kHz Eso gt 1 5dB 2dB TIAA 333Hz 6 3 m m Fig 12 4 Comprobaci n del ecualizador de repro ducci n 3 Enregistrer le signal de 383 12 sur la bande STD 608A Lire la band t r gler VR102 canal de gauche et VR202 canal de droite de mani re ce que le m llivoltm tre CA indique 5 2dBv 0 54V 4 Enregistrer le signal de 383817 sur la bande STD 603 Lire la bande et v rifier que le millivoltm tre CA indique 5 2dBv 0 55V 1 5dB 5 Enregistrer le signal de 388Mz sur la bande STD 604 Lire la bande t v rifier que le millivoltm tre CA indique 46 24Bv 0 55V 1 5dB Entr e de ligne FAT LINE INPUT E ES Tate 9 P 333H2 xe i316mV se 2 A 2 canal de gauche L gt 3207 canal de droite RE E Sortie de Rgne T te de LINE OUTPUT lecture 7
25. 340 RXB 600 RAC 193 RAC 194 RAC 174 RAC 192 RNL 355 RBH 898 RAC 176 RAC 175 RAA 364 RAA 363 RTT 237 Parts List No 65 83 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Mark Top View with Bonnet Removed Dolby assembly RWX 550 x Power transformer 120V RTT 237 Mother assembly RWX 526 Motor assembly RXM 076 Jack assembly RWX 527 Plunger solenoid R RXP 101 Mechanism assembly RYM 122 A Plunger solenoid RXP 100 Rear Panel View Panel hinge RNL 325 A Strain relief REC 376 Terminal LINE RKB 018 RDG 030 oP CS S45 A 33 E ES eS c 25 GE 9 c o a 5 5 65 1 23 7 PARTS EC 5 x 0 5 gt JS SN Y A reine 2 siti N N qm 10 11 12 DOLBY Assy RWX 550 IC603 16607 IC60 Q401 109 10611 16610 16612 9 Q501 16606 16602 IC608 IC604 VRA4OI RO TPE TP TP1 TP2 VR403 VR402 0403 405 407 503 505 507 1K34A or 1K60A or 0A90 lt lt E 926 1 0 y o Av Om oms 503 mU Ray we la 4 Thaw ts TTK oC SCAM o t E z Ces b H ha Roe 22H m
26. 62 RBH 725 FR spring 63 RXB 374 Idler arm assembly 11 RBH 795 Earth spring 64 RXB 378 Reel base assembly 12 RNL 057 Pocket spring L 65 Brake plate 13 RXB 405 Pocket L assembly 14 Bush 66 REB 187 Brake shoe 15 Pocket L 67 RNK 998 Idler gear 68 RXB 377 Supply reel base assembly 16 RNK 994 Guide roller 69 RNK 999 TU idler TRE ee es 70 RXB 360 TU reel base assembly 18 RAH 392 Cassette plate 19 sewer eeng 71 RNL 059 Cam gear 20 tee 72 RXB 541 Lever assembly 73 RBH 744 Lever spring 21 Pocket frame 74 RXM 076 Motor assembly 22 0 Door assembly 75 Motor NI 23 RXP 092 Plunger solenoid P 24 REC prevent lever 76 Motor pulley 25 Chassis assembly 77 Fiywheel holder 78 Thrust receptacle 26 RNF 895 Half spring 79 RXB 500 Flywheel assembly 27 RBH 778 Spring 80 REB411 Capstan belt 28 RNL 042 Half receptacie ki 29 REB 457 Counter belt 81 RBH 721 Flywheel spring 30 RNH 031 Spacer x 82 RXP 099 PMS solenoid 83 REB 241 Door stopper 31 Chrome detector lever 84 Side plate R assembly 32 RBH 819 Chrome detector spring 85 Connection plate 33 Head base 34 RXB 359 Bearing holder assembly 86 Detector assembly 35 RBH 779 Head base spring 87 RSH 059 Slide switch 88 Mount plate 565 1 Baa 89 Side arm R assembly 37 Shaft stopper 90 Eject lever 38 MS plate 39 RBH 794 Head base drive spring 91 Stopper lever 40 RPB 096 Erase head 92 RLB 390 Stopper collar 93 YE30FU
27. AC mV meter LINE OUTPUT Procedure 1 Play back the 333Hz and 6 3kHz portions of the STD 341A and check that difference be tween the two output levels does not exceed 1 5dB 2dB 2 Connect the terminal No 22 with No 23 of the mother assembly Play back the 333Hz and 6 3kHz portions again and check that the difference between the two output levels does not exceed 2 5dBz2dB NORM position lt 508 8 333Hz 2098 6 3k 2008 Fig 12 4 Playback equalizer check 34 Tabla 1 Base del carrete Base del carrete TU de suministro 35 55 2 59 Modo de reproducci n Modo de avance r pido Modo de rebobinado 75 1108679 e 2 5g cm e 2 59 cm 75 110g cm e Las notas se apoyan en la torsi n de la tensi n 11 3 AJUSTE DE LA VELOCIDAD DE LA CINTA 1 Conectar el frecuenc metro a los terminales de salida de l nea LINE OUTPUT 2 Reproducir la parte de 3kH4 de la cinta de prueba STD 301 Al principio la frecuencia deber estar entre 2995112 3010Hz y podr ajustarse girando el resistor semifijo situado en el orificio de ajuste del motor del eje de arrastre como se muestr en la figura 11 2 La velocidad de la cinta aumentar giran o lacia la derecha el resistor sernifijo y se reducir gir ndolo hacia la AQuierda Motor del eje AA de arrastre Velocidad 2 j da la cinta SQ Velocidad disminuida da la cint
28. AND PARTS LIST NOTES e Parts without part number cannot be supplied e The mark found on some component parts indicates the mony of the safety factor of the part Therefore when replacing be sure to use par designation e For your Parts Stock Control the fast moving items are indicated w and kk GENERALLY MOVES FASTER THAN This classification shall be adjusted by each distributor because it depends pn model number temperature humidity etc Part No REC 376 RDG 022 RDG 030 REC 369 RSA 048 REB 457 RWX 550 RNL 325 RWX 526 RKP 297 RBA 057 VCZ30P060F MC VCZ30P060F2K VBZ40P080F MC 6230 080 FZK RCG 006 VCZ30P080F MC VBZ30P140FMC VPZ30P100FMC BCZ30P080F NC No 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 51 52 53 55 56 57 58 59 60 61 62 63 Mark gt _ gt ke kk Description Bonnet Mechanism assembly Cassette plate Panel stay Eject spring Eject plate Knob EJECT Counter Knob POWER Knob MODE Indicator assembly Meter holder Indicator panel Door assembly Function switch assembly Knob D Knob E Push knob B Push knob E Panel R Function spring Function knob E Function knob F Knob INPUT R Knob INPUT L Power transformer 120V Part No RNA 555 RYM 122 RAH 392 RBH 897 RAC 177 RAW 173 RAC 195 RAA 365 RWX 528 RNL 341 RNL
29. C Washer 41 RNL 050 Sub head base 94 PMZ26P080FMC Screw x 42 RPB 091 REC P8 head 95 VCZ26PO60FMC Screw 43 RBH 723 Head adjust spring kk 44 RXB 495 Pinch arm assembly 96 6 Screw 45 RBH 760 Pinch pressure spring 97 ATZ26P060FZC Screw 98 PMZ26P030FMC Screw 46 Metal detector lever 99 YE40FUC Washer 47 RBH 818 Metal detector spring 100 PCZ26P060FMC Screw 48 RNL 049 Pocket R 49 RNL 058 Pocket spring R 50 RXP 101 Plunger solenoid R 13 METAL 26 9mV 60 7 NORM T REC MUTE I OT E TO REC PB 5 1 REC EQ AMP Q107 0108 ee ow REC LEVEL aks iis 3 g Qu v E FROM TAPE i SELECTOR E y 550mv RL SOKA LINE MUTE E To O curry HEADPHONE AMP METER ORIVE Rech HEADPHONE t TO AUTO LEVEL ie o Es y CONTROL A SWITCHES S 301 MPX FILTER S 302 DOLBY NR 303 DOLBY NR ON OFF ON OFF TYPE 8 TYPE 6 S 304 TIMER REC OFF PLAY 701 ALC ON OFF S 702 INPUT SELECTOR LINE MIC 5 703 INPUT SELECTOR LINE MIC S901 FF ON OFF S REW ON OFF 5903 5 ON OFF S 904 PLAY ON OFF 905 PAUSE ON OFF S906 REC ON OFF 5907 REC MUTE ON OFF 5 5 ON OFF 5 201 68 5 PREVENT DETECTOR HOLE NO HOLE 1301 POWER ON OFF 140 TAPE SELECTOR 5 402 SELECTOR
30. Impedance MIC L R asa 0 3 mV 57 mV 10 kQ 6 mm diam jack Reference MIC impedance 250 2 to 10 k2 LINE INPUT x2 50 mV 22 V 100 kQ Pin jack Output Reference level Maximum ievel Load impedance LINE OUTPUT x 2 450 mV 50 k2 Pin jack Headphones 65 mV 160 mV 812 6 mm diam jack Subfunctions MS Music Select system e REC muting switch e Dolby NR B C system B amp C ON OFF with LED indicater lamp LED peak meter ALC Auto matic level control One touch recording system Stand by mechanism with unattended recording Auto tape selector NORM CrO METAL Full automatic stop mechanism eNoise Reduction System manufactured under license from Dolby Laboratories Licensing Corporation Dolby and the double D QQ symbol are trade marks of Dolby Laboratories Licensing Corporation POWER indicator The word Dolby and QQ are trademark f Dolby Laboratories Licensing Corporation 7 MUSIC SEARCH switch Set to ON when automatically searchi start of a program Normally this switch is kept at the F position 8 INPUT level controls These are used to adjust the input vel during recording with the ALC switch at the OFF position The left and right controls are linked and rotate together b i the inside left chan nel and outside right channel controls cn B used separately 9 ALC switch When this is set to the ON position the
31. TECTOR HOLE NO HOLE 1301 POWER ON OFF S101 TAPE SELECTOR CrOe METAL j 1402 TAPE SELECTOR NORM HIGH Symbol amp Description C101 C201 C102 C202 C129 C229 C117 C217 1 C319 C119 C219 370 C108 C109 6199 C112 C114 C115 6118 8120 C127 C208 C209 C211 16212 C214 C215 C218 C220 E227 C309 C318 C323 C301 C308 C103 C203 10318 C312 C336 7 C107 C207 10314 C310 C327 C328 C303 C324 C305 C311 C302 C312 C105 C205 C110 C210 C122 C222 C124 01256280 C225 C315 C331 C322 C307 C321 C329 C330 C116 C216 C126 C226 10 PARTS LIST NOTES e When ordering resistors first convert resistance values into code form as shown in the following examples Ex 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and K 10 5608 56 x 10 DOR Sao ARES RDAPS 5607 47 47x 10 BIB Lustig RDAPS ARB J 0 52 ORS os Rodin Boe S RN2H OREK 12 OTO sar RSIPQDOK Ex 2 When there are 3 effective digits such as in high precision metal film resis tors 5 62k2 562x100 5621 RN4SR BGAN F e The 3 mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation e For your Parts Stock Control the fast moving items are indicated with the marks and
32. U PIONEER REPAIR amp ADJUSTMENTS BI 1 ns ORDER NO oa 8 ART 678 0 mmm TAPE DECK mal my 5 MODEL CT 5 COMES IN SIX VERSIONS DISTINGUISHED AS FOLLOWS type Volatge Remarks 5 u 120 0 U S A model e 120 only Eee ul E 220V and 240V switchable NE Europe model He 220 and 240 switchable i UK modal HP 220V and 240V switchable Australia model 120V 220V and 240V switchable i E madal i a This service manual is applicable to the KU type For servicing of the other types please refer to the addi tional manual on aM For the mechanism amp circuit descriptions please refer to the supplement of model CT 5 service manual ARP 002 Ce manuel d instruction se ref re au mode de r glage en francais a Este manual de servicio trata del m todo de ajuste escrito en espa ol CONTENTS SPECIFICATIONS SEES 2 9 SCHEMATIC DIAGRAM 21 2 FRONT PANEL FACILITIES 3 JO BARTS LISTE SCS Ue ELE 24 3 DISASSEMBLY SSA SSS ere ew 4 11 MECHANICAL ADJUSTMENTS 27 4 PARTS COCATION ee eU SES 6 R GLAGES MECANIQUES 29 5 EXPLODED VIEWS AND PARTS LIST 8 AJUSTES MEC NICOS 31 6 PACKING 7 OAS SA SC 14 12 ELECTRICAL ADJUSTMENTS 33 BLOCK DIAGRAMS ene 15 REGLAGES ELECTRIQUES 37 we 8 P C BOARD CONNECTION DIAGRAM
33. UTPUT 2 Reproduire la partie a 3kHz de l bande d essai STD 301 Au d but la fr quenc doit se situer dans la plage de 2995Hz 3010Hz et elle peut tre r gl e en tournant la r sistance ajustable situ e dans le trou de r glag du moteur cabestan comme indiqu a la figure 11 2 La vitesse de d filement de la bande adgmepte lorsque la r sis tance ajustable est tourn e dans le sens des aigWilles d une montre et elle d croft lorsque l on tourne la r sistante 6 sens inverse Vitess de d filement de la bande Bugment e Vitsse de difilement de la bonde diminu e Toufhevis Fig 11 2 R glage de la vitesse de d fllement de la bande 11 4 R GLAGE DU CONTACT DE D TEC TION D ENREGISTREMENT R gler l ergot indiq bar une fl che sur la figure 11 3 sur une position tlle que si une cassette poss dant une languetlle de protection contre l effacement accidentel est 3 66 dans le logement le contact levier soit eBiclench ON et que si une cassette d munie de Cette languette de protection est charg e le contact soit d clench OFF Plaque lat rale gauche Chassis yas 7 z Levier de d tection Ve d enregistrement Levier de commutateur La Commutateur lt a SS de d tection d enregistrement Fig 11 3 R glage du commutatelir de d tection d enregistrement 11 R GLAGES M CANIQUES Avant de proc der au
34. a SY Y Destornillador de Fig 11 2 Ajuste de la velocidad de l cinta 11 4 AJUSTE DEL INTERRUPTOR DETECTOR DE GRABACI N Ajustar la lengueta ex mostrada en la figura 11 3 mediante la flecha a u a posici n en la que al cargar un casete con el detector de preven ci n contra borrado el interruptor quede en la posici n ON y al cargar un caset sin el detector quede en la posici n OFF 31 11 AJUSTES MEC NICOS Antes del ajuste Limpiar ambas bases de los carretes eje de arrastre y rodillo de presi n con algod n humede cido en alcohol 11 1 AJUSTE DE LA PRESI N DEL RODILLO DE PRESI N 1 Establecer el magnet fono en el modo de reproducci n 2 Con el calibrador de tensi n presionar ligera mente contra el brazo del rodillo de presi n y separar un poco dicho rodillo del eje de arrastre 3 Luego reposicionar el rodillo de presi n sobre el eje de arrastre y leer el valor en el momento en que el rodillo de presi n empieza a girar Si la indicaci n cae dentro de 350g 550g reemplazar e muelle del rodillo de presion Calibrador de tensi n pieza no GGK 047 Eje de arrastre Brazo del rodillo de presi n Muelle del rodillo de presi n pieza no RBH 742 Fig 11 1 Ajuste de la presi n del rodillo de presi n 11 2 AJUSTE DE LA TORSI N DE LA BASE DEL CARRETE Utilizar el modidor de torsi n para medir la torsi n durante las funciones de reprod
35. anel R IN S A NES Q y Indicator panel N Panel R Removal Panel stay Se VI NJ Knob INPUT Panel stay Indicator Panel Removal Fig 3 1 Disassembly 1 Bonnet Removal Mechanism Assembly Removal Remove the four screws 1 Remove the counter belt Panel R Removal 2 Remove the six screws 1 Pull off the INPUT VOLUME knobs Dolby Assembly Removal 2 Gently push the hooks A of the panel stay Remove the two screws 69 with the screwdriver Indicator Assembly Removal Indicator Panel Removal Remove the hooks D and the screw Gently push the hooks B of the panel stay with E the small screwdriver Function Switch Removal Remove the hooks E and the screw Escutcheon Removal Gently push the hooks C of the escutcheon Door Assembly Removal l Depress the EJECT button and open the cas sette holder 2 Pull up the door assembly and remove it Panel stay Fig 3 2 Disassembly 2 Of identical ith the marks Description Wire nut Bottom plate Strain relief Serial No plate AC cord Main chassis Foot assembly Sensor assembly Power switch Counter belt Volume assembly Dolby assembly Panel hinge Mother assembly Connector assembly P Connector assembly P UL cord ciampef Rivet Capacitor 0 01 AC 250 Screw Screw Screw Screw 5 EXPLODED VIEWS
36. de CA TP2 canales izq y der del conjunto Dolby Puesto que los canales izquierdo y derecho son id nticos la numeraci n de los terminales de TP puntos de prueba del conjunto Dolby se aplica a ambos canales Cuando se realice el ajuste referirse a la Fig 12 9 Procedimiento 1 Ajustar el control del nivel de entrada INPUT de modo que el multivolt metro 1 de CA indique 2 2dBv 776mV 2 Ajustar el VR403 canal izq y VR503 canal der de modo que el multivolt metro 2 de CA indique 2 2dBv 776mV 3 Luego establecer el CT 5 en el modo de re producci n y aplicar la se al de entrada 700 Hz 10dBv 316mV al TP1 canal izq y al TP2 canal izq del conjunto principal 41 12 4 AJUSTE DEL NIVEL DE REPRODUC CION Puesto que este ajuste determina el nivel del sistema Dolby durante la reproducci n deber realizarse con precisi n Ajuste Modo TS ON das reproducci n Cinta de prueba STD 341A 333Hz 0dB TP1 canal izq y TP1 canal der del conjunto DOLBY Milivolt metro de CA Procedimiento Ajustar la VR101 canal izquierdo y la VR201 canal derecho de modo que el milivoltimetro de CA indique 1 2dBv 0 87V Cabeza de gt VR101 canal iza reproducci n kz 2 canal der TP1 gt canal 4 TP1 J izq 2 canal der TD 341A ecu A 1 208 0 87 m Fig 12 5 Ajuste del nivel de reproducci n
37. de FF Mode REW e 2 8 59 2 6 59 75 110g cm e Couple de tension inverse 29 Syst me de base ensemble du bras d entra nement Position de rebobinage REW Position d avance rapide FF S paration O S paration 0 Contre cabestan 1 Support de bobine Support de d rouleuse bobine d bitrice Contre cabestan Mode de rebobinag 2 Engrenage Galet d enroulement d entra nement 5 Contre cabestan Mode d avance rapide FF Engrenage d entrainement Qo 0 Support de bobine d rouleuse Support de bobine d rouleuse Electro aimant d avance rapide FF lectro ai tF y Electro aimant de rebobinage REW lectro aimant R Fig 11 5 R glage de l lectro aimant d avance rapide et de rebobinage 11 5 R GLAGE DE L ENSEMBLE DE DETECTION Desserrer la vis et r gler la position de montage de l ensemble de d tection de mani re ce que lorsqu une cassette de type NORMAL est charg e dans le logement le contact curseur soit d clench OFF et que lorsqu une cassette de type METAL est charg e le contact curseur soit enclench ON Ensemble de d tection Contact curseur CE Fig 11 4 R glage de l ensemble de d tection 11 6 REGLAGE DE L ELECTRO AIMANT D AVANCE RAPIDE FF 1 Mettre la platine en mode d avance rapide FF
38. hmios 47 52Kohmios a los ter minales de salida OUTPUT 8 Dejar que el CT 5 se precaliente durante algunos minutos antes de proceder con el ajuste ELD PP PED PAP APUD PAP PAD ID APP AAA AAA AAA Ajustar el arenuador de modd 396 el multivol timetro 2 de CA indique 2 2dBv 776mV y luego ajustar el VR401 ca al izq y 1 canal der de modo que el multivolt mereo 1 de CA indique 2 2dBv 776mV Aplicar la senal de entrada 706812 10dBv 316mV a la entrada de l nea LINE INPUT Establecer el CT 5 en el 08 de grabaci n y conectar el multivolt mered d CA al termi nal RO salida de grabaci n del conjunto Dolby Ajustar el control d l Mivel de entra da INPUT de modo que el multivoltimetro de CA indique 32 6dBv 23 4mV Ajustar el interruptor del sistema DOLBY NR en la posici n ON tipo C ly hjustar el ate nuador de modo que el mulfiv ltimetro 1 de CA indique 32 6dBv 23 4mV y luego ajustar el VR402 canal 28 el VR502 canal der de modo que el m ltivolt mereo 2 de CA indique 21 6dBv 83 1mV qb Cabeza de GRAB REPRODUC y Fig 12 2 Ajuste del acimutide la cabeza Tornillo del acimut 4 12 1 AJUSTE DEL SISTEMA DE REDUCCI N DE RUIDO DOLBY Ajuste Modo iaa dia grabaci n 700Hz 10dBv 316mV a LINE INPUT Multivolt metro 1 de CA TP1 canales izq y der del conjunto Dolby Multivolt metro 2
39. iation is 6 dB without indication 6 Signal to Noise Ratio e Measured at the third harmonic dis tortion 3 level weighted DIN 45513 BLATT7 7 Sensitivity input level mV required for referamed 9 level with input REC controls set to maximum 8 Maximum Allowable Input While decreasing settings of input REC level controls and increasing level at inpet facks this is the maximum input level mV at the point where recording amplifier output waveform becomes clipped 9 Reference Output Level Playback output level when meter indicates O dB 1 SPECIFICATIONS Specifications Systems Compact cassette 2 channel stereo MOTOR lD 3x GUESS DC servo motor x 1 leads cuo ses Hard Permallay recording play back head x 1 Ferrite Erasing head x 1 Fast Winding Time Approximately 100 seconds C 60 tape Wow and Flutter No more than 0 05 WRMS Frequency Response 20 dB recording Normal LH tapes 20 to 15 000 Hz 30 to 14 000 Hz 3 dB 20 to 17 000 Hz 30 to 16 000 Hz 3 dB 0 dB recording 30 to 8 000 Hz Metal tape 20 to 18 000 Hz 30 to 17 000 Hz 3 dB 0 dB recording 30 to 12 500 Hz Chromium dioxide tape Signal to Noise Ratio Dolby 8 0 More than 50 dB Dolby NR ON B Type more than 68 dB C Type more than 78 dB over 5 kHz Harmonic Distortion No more than 1 2 0 dB Input Sensitivity Maximum allowable input
40. ing resistors convert the resistance value into code form and then rewrite the part no as before Symbol amp Description VR401 VR403 VR501 VR503 Semi fixed 2 2k B VR402 8502 Semi fixed 10k B R401 R413 R415 R433 R435 R447 R501 R513 R515 R533 R535 R547 R601 R613 Symbol amp Description 0401 Q501 1C601 1C602 10612 10610 1C611 1C607 608 0603 0606 9 D401 D402 D404 D406 D408 D501 D502 D504 D506 D508 D601 D608 D403 D405 D407 Symbol amp Description Connector assembly 12P Connector assembly 3P Mark Part No RCP 189 RCP 193 RD 4PM ODO J SEMICONDUCTORS Mark Part No kk 25A933 25A1015 25 1127 25 937 6 80 AN6552 BA4558 TD62504P TD62507P kk TCA066BP MB84066BM HD14066B 3 US1040 1K34A 1K60A 0 90 OTHERS Mark Part No RKP 446 RKP 346 Symbol amp Descrption R701 R720 R723 R735 R721 R722 Symbol amp Deserption 0701 0704 Q705 Q706 1C701 D701 D704 Symbol amp Description Jack assembly RESISTORS Note When ordering resistors convert the resistance value into code form and then rewrite the part no as before Mark Part No RDXPM DDO J RS1PF 000 J SEMICONDUCTORS Mark Part No 2SC1740LN 2502021 2501815 25C2634 25C2060 28C2673 2SC1383NC BA328 US1040 152473 OTHERS Mark Part No RKN 075 Dolby Assembly RWX 550 Symbo
41. is Palanca detectora ide GRAB Interruptor palanca Interruptor detectora de GRAB Fig 11 3 Ajuste del interruptor detector de GRABACI N 11 5 AJUSTE DEL CONJUNTO DETECTOR Aflojar el tornillo y ajustar la posici n de montaje del conjunto detector de modo que cuando se cargue un casete NORMAL el inter ruptor deslizante quede en la posici n OFF y cuando se cargue un casete de METAL el inter ruptor deslizante quede en la posici n ON Fig 11 4 Ajuste del conjunto del detector 11 6 AJUSTE DEL SOLENOIDE DE AVANCE RAPIDO 1 Establecer el magnet fono en el modo de avance r pido 2 Aflojar los tornillos y ajustar la posici n de montaje del solenoide de avance r pido de modo que el orificio cuadrado de todo el conjunto de la base del carrete quede em potrado contra el cubo de todo el conjunto del brazo de arrastre i e separaci n 0 como se muestra en le figura 11 5 aux r glages 9 Placer le commutateur DOLBY NR sur OFF et le s lecteur TAPE SELECTOR sur la position NORM sauf indication contraire Equipements outils d essai requis 1 Bande d essai STD 841A Pour le r glage de la reproduckion STD 608A Bande NORMAL vierge 8510 60 o Bande GrO vierge 11 00 2290 e Bandel MET AL vierge 2 Oscillateur BF 3 Millivoltm tre alternatif mV CA 4 Att nuateur 5 Oscilloscope 6 R sistance 50 KQ 47 52 ki Niveau dB 25 2
42. l amp Description L402 L502 Coil 36mH L401 L501 Coil 36mH Symbol amp Description COILS Mark Part No RTF 090 RTF 092 CAPACITORS Mark Part No CEA 100M 16 C401 C411 C413 C414 C421 Indicator Assembly RWX 528 6428 C432 C501 C511 C513 6514 C521 C528 6532 0601 CAPACITORS C603 Mark Part No Symbol amp Description CEA 010M 50 C406 C424 C506 C524 z CEA R33M 0 C419 C420 C519 C520 CEA 100M 16 C801 C802 1 C517 CEA R10M 50 C409 C417 C418 C509 C517 RESISTORS Note When ordering resistors convert the resistance value into code form and then rewrite the part no as before Symbol amp Description R801 R804 R806 R808 R810 R811 Mark Part No 1 RD 4PM ODO J C518 C408 C412 C425 C426 C508 C512 C525 C526 C410 C510 C402 C416 C502 C516 CQMA 153J 50 CQMA 104J 50 CQMA 182J 50 COMA 473K 50 C405 C429 C505 C529 RD PSF OOO J R805 R809 COMA 472K 50 C407 C423 C507 C523 SEMICONDUCTORS COMA 183K 50 6431 C531 Mark Part No Symbol amp Description COMA 394K 50 C427 C527 CCDHSL 221K 50 C404 C504 BAG6124 1C801 IC802 CEA 471M 16 C433 C533 GL 9PG4 LED801 LED804 LED806 CEA R47M 50 C403 C503 GL 9PR4 LED805 LED807 LED808 LED819 LED array CEA R15M 50 C430 C530 COMA 152K 50 C435 C535 CKDYB 222K 50 C434 C436 C536 26 1 2 3 9 SCHEMATIC DIAGRAM
43. lage du niveau de reproduction Montage principal du VR101 canal gauche R glage du niveau de reproduction R glage du niveau d enregistrement du VR201 canal droit du VR202 canal droit R glage du niveau d enregistrement Fr du VR102 canal gauche S Ow Panneau avant Fig 12 9 Points de r glage 40 Mm 3 Grabar la se al de 333Hz en la STD 608A Re producir la cinta y ajustar la VR102 canal izquierdo y la VR202 canal derecho de modo que el milivoltimetro de CA indique 5 2dBv 0 54V 4 Grabar la se al de 333Hz 68 la STD 603 Reproducir la cinta y verificar que el mili volt metro de CA indique 5 2dBv 0 55V 1 5dB 5 Grabar la se al de 333 12 lem la STD 604 Reproducir la cinta y verificar que el mili volt metro de CA indique 5 2dBv 0 55V 1 5dB Entrada de l nea LINE INPUT Cabeza de grabaci n Vft102 canal izq 202 canal der Salida de l nea LINE OUTPUT Cabeza de P reproducci n 25 1 PRE e EY TP2 canal izq canal def ere AI m VR de entrada Ajuste del nivel Fig 12 7 de grabaci n Empleando la STD 608A con el sistema DOLBY NR en la posici n ON tipo B C I 7 498 ma K 4dB pS X 8 SE 1 2kHz 63 2 125Hz 2 4KHz Empleando la STD 603 con el sistema DOLBY NR en la posici n OFF
44. n as shown in Fig 11 4 12 ELECTRICAL ADJUSTMENTS Precaution Test Equipments Tools Required Test tape STD 341A For playback adjustment STD 608A NORMAL blank tape STD 603 CrO2 blank tape STD 604 METAL blank tape Audio oscillator AC millivoltmeter AC mV Attenuator Oscilloscope Resistor 50kQ 47 521660 LEVEL 48 SM 00sec 00sec SOsec Fig 12 1 Contents of the test 180618 0 41 2 VR401 Lch and VR501 Rich so that the AC mV meter 1 reads 2 2dBv 776mV Apply the input signal 700Hz 316mV to LINE INPUT Set the CT 5 to the record mode and connect the AC mV meter to the R O REC OUT ter minal of the Dolby assembly Adjust the INPUT level control so thatlthe AC mV meter reads 32 6dBv 23 4mV Set the DOLBY NR switch to ON C type position and adjust the attenuator so that the AC mV meter 1 reads 32 6GB 23 4mV and then adjust the VR402 Lch and VR502 Rch so that the AC mV meter 2 0 21 6dBv 83 1mV 10dBv at Azimuth screw qP REQ P B head Fig 12 2 Head azimuth adjustment 1 O 9 ROM Mechanical adjustment should be completed Clean the following parts with an alcohol moistened swab Record Playback head Pinch roller Erase head Rubber belts and Capstan Demagnetize record playback head with a head demagnetizer Do not use magnetized screwdriver for adjust ments Adjustments and mea
45. n and cassette holder The cassette tape is housed in this holder To open the holder Depress the EJECT button To close the holder Push the holder by hand 3 Tape COUNTER RESET switch The tape counter indicates the tape s traveling position Depress the RESET switch before recording or playback to reset the counter to 000 4 LEVEL meter These indicate the input or output level during recording or playback 5 Playback function switches Playback operations can be performed when the sections with the following symbols are depressed fast forward The tape runs at high speed from left to right rewind The tape runs at high speed from right to left play The tape is played stop The tape is stopped 6 Recording function switches Recording operations can be performed when the switches with the following symbols are depresses PAUSE The tape travel during recording can be temporarily suspended recording standby mode Depress this switch again to resume recording REC Recording can be started REC MUTE This enables unrecorded blanks to be created between programs for conven ient play functions Music Search 4 PARTS LOCATION Parts without part number cannot be supplied The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Fo
46. o aislante 63Hz 250Hz 333Hz 1kHz Respuesta en frecuencia globale Empleando la STD 608A con el sistema DOLBY NR en la posici n OFF ML 5dB X 0 8 1 5dB 2 6 3kHz 12kHz FT 408 o i y 2kH 63Hz 125Hz 333Hz Empleando la STD 604 con el sistema DOLBY NR en la posici n ON tipo B C 63 2 455Hz 333Hz 1kHz 12kHz Empleando la STD 604 con el sistema DOLBY NR en la posici n OFF 63Hz 125Hz 333Hz Fig 12 8 Respuesta en frecuencia Canal der R R O Salida de grabaci n canal izq C VR502 TP2 canal der O Ajuste del nivel de reproduc de VR201 canal der Conjunto del sistema Dolby TP1 canal izq 4 O 81 canal der I VR401 O Ajuste de la polarizaci n de VR203 canal der Sa t Ajuste de la polarizaci n de VR103 canal izq Ajuste del nivel de reproduc de VR101 canal izq Canal izq L R O Salida de VR403 grabaci n canal der Lj VR402 2 canal izq t Panel posterior Conjunto principal Ajuste del nivel de grab 3 de VR202 canal der G 10 Panel frontal Ajuste del nivel de grab fra de VR102 canal izq A 1 1 Fig 12 9 Puntos de ajuste 44
47. on OFF y el selector de cintas TAPE SELECTOR en la posici n NORM a menos del se diga otra cosa Equipos herramientas de pruebas fequeridos Cinta de prueba STD 341A para de reproducgjon STD 608A cinta NORMAL en blanco STD 603 cinta GrOB en blanco STD 604 cinta de METAL en blanco Oscilador sonoro Milivoltimetro de CA AC Atenuador Osciloscopio Resistor de 50Kohmios 47 52Kohmios NIVEL dB 20 6 Hr 1005sec 10Osec SOsec 10018 Fig 12 1 Contenido de la cintaldelBrueba STD 341A E PETER co 12 AJUSTES ELECTRICOS Precauciones 1 Deber n completarse los ajustes mec nicos 2 Limpiar las partes siguientes con algod n humedecido en alcohol cabeza de grabaci n reproduci n rodillo de arrastre cabeza de borrado correas de goma y eje de arrastre 3 Desmagnetizar la cabeza de grabaci n repro ducci n con un desmagnetizador de cabezas 4 No utilizar destornilladores magnetizados para los ajustes 5 Los ajustes y las mediciones deber n realizarse para la tensi n nominal de suministro de los canales izquierdo y derecho 6 Los ajustes deber n realizarse en el orden dado en este manual de servicio Si se altera el orden los ajustes pueden resultar in tiles dando como resultado una p rdida de rendimiento 7 El nivel durante las mediciones se basa en OdBv 1V Conectar un resistor f cticio de 50Ko
48. on des passages de 333Hz et de 6 3kHz et v rifier que la diff rence entre les deux niveaux de sortie n exc de pas 2 5dB 2dB Sortie de ligne Position NORM m LINE OUTPUT ONO T te de h E JENE Sortie 333Hz Sortie 6 3kHz lecture SE H 1 5d822d8 J son 5 0 341 333Hz 6 3kHz OdB Fig 12 4 Contr le de l galisation de lecture 38 Record the 333Hz signal onto the STD 608A Play back the tape and adjust the VR102 L and VR202 R ch so that the AC mV meter reads 5 2dBv 0 54V Record the 333Hz signal onto the STD 603 Play back the tape and check that the AC mV meter reads 5 2dBv 0 55V 21 508 Record the 333Hz signal onto the STD 604 Play back the tape and check that the AC mV meter reads 5 2dBv 0 55V 21 508 STD 608A Procedure Adjust the INPUT level control so that the AC mV meter reads 27dBv 44 6 mV Record the 333Hz and 6 3kHz signals onto the STD 608A Playback the tape and adjust the VR103 Lch and VR208 R ch so that the difference between two is 0 5dB 0 5dB 1 2 12 6 RECORD LEVEL ADJUSTMENT Since this adjustment determines the DOLBY NR level during recording it should be performed precisely Setting Mode ae Record Test Tape tea STD 608A STD 603 STD 604 AC mV meter TP2 L ch and TP2 R ch of the DOLBY assembly 333Hz 10dBv 316mV to LINE INPUT Input Signal
49. r your Parts Stock Control the fast moving items are indicated with the marks and GENERALLY MOVES FASTER THAN x This classification shall be adjusted by each distributor because it depends on model number temperature humidity etc Function knob E RAC 176 Knob E RAC 194 Push knob B RAC 174 Knob INPUT R RAA 364 Knob INPUT L RAA 363 O 1 gt Knob MODE RAA 365 Push knob E RAC 192 gt Knob D RAC 193 Indicator assembly RWX 528 8 6 Volume INPUT RCV 094 Jack assembly RKN 075 Rotary switch RSB 028 Function switch assembly Front Panel View Knob EJECT RAC 177 Bonnet RNA 555 Door assembly RXB 600 Knob POWER RAC 195 Indicator panel RNL 340 Function knob F RAC 175 Front View with Panel Removed Counter RAW 173 Cassette plate RAH 392 3 DISASSEMBLY Do not apply unnecessary force to hooks since this may result il damage N pe gt s Pd N JE s K AZ 2 Bonnet Door Assembly Removal Door assembly zd gt y ME de Md Screwdriver hii 4 1 Indicator panel gt N Hook 8 NE a SP Hook All ES Screwdriver EY BS e ANN i 9 Pt NY __ Hook B IN AE NL 9 D NS Panel R Ka A 9 P
50. rtie de ligne T te la LINE E de lecture i Er 44 6mV j 5 vers canal de uda ED E MEN sorite 6 3kHz 203 canal de droite 8 0548 0 5 88 Fig 12 6 R glage de la r ponse en fr quence ale enregistrement lecture 12 2 REGLAGE EN AZIMUT DE LA TETE Pr paration Mode aia Lecture Bande d essai STD 341A 10kHz 20dB Millivoltmetre CA A la sortie de ligne LINE OUTPUT VR101 VR201 Tourn es en position maximum Proc dure R gler la vis de r glage d azimut de mani re obtenir l indication maximum du millivoltm tre CA pour les canaux de gauche et de droite Lorsque ce r glage est termin verrouiller la vis l aide du blocage de vis Vis de r glage d azimut T te de A Sortie de ligne LINE OUTPUT lecture D e 5 Lecture maximum D 341A 10k Ha 2008 Fig 12 3 R glage d azimut de la t te 12 3 R GLAGE DE L GALISATION DE LECTURE Pr paration Mode Lecture Bande d essai STD 341A 333Hz et 6 3kHz 20dB Millivoltm tre CA Sortie de ligne LINE OUTPUT Proc dure 1 Proc der la reproduction des passages de 333Hz et de 6 3kHz de la bande STD 341A et v rifier que la diff rence entre les deux niveaux de sortie n exc de pas 1 5dB 2dB 2 Brancher le terminal n 22 au terminal n 28 de montage principal Proc der de nouveau a la reproducti
51. surements should be per formed for both Lch and Rch with rated power supply voltage Adjustments should be performed in the order given in this service manual Altering the order can hinder proper adjustments resulting in loss of performance Level during measurements are based on Odbv 1V Connect a 50k2 47 52kQ dummy resistor across the OUTPUT terminals Let the CT 5 warm up aging for a few minutes before proceeding with the adjust ment Set the DOLBY NR switch to OFF and TAPE SELECTOR to the NORM position unless directed otherwise T 2 12 1 DOLBY NR ADJUSTMENT Setting MOC Sa Sas E te Me Record Input Signal 700Hz 10dBv 316mV to LINE INPUT AC mV meter 1 1 Lch Rch of the Dolby assembly AC mV meter 2 TP2 Lch Rch of the Dolby assembly Since the left and right channels are identical numbering of the TP terminals of the Dolby assembly is applied to both channels When adjustment please refer to Fig 12 9 Procedure Adjust the INPUT level control so that the AC mV meter 1 reads 2 2dBv 776mV Adjust the VR403 Lch and VR503 Rch so that the AC mV meter 2 reads 2 2dBv 776mV Next set the CT 5 to the playback mode and apply the input signal 700Hz 10dBv 316mV to the TP1 Lch and TP2 Rch of the mother assembly Adjust the attenuator so that the AC mV meter 2 reads 2 2dBv 776mV and then adjust the T 2 33
52. tr e INPUT de mani re ce que le millivoltmetre CA indique 5 2dBv 0 55V LO e ta R ponse en fr quence Utilisation de STD608A avec le circuit Dolby hors service OFF Le canal de droite est compens de 1dB 63Hz et de 0 5dB 125Hz cause de l effet d isolement R ponse en fr quence globale Utilisation de STD608A avec le circuit Dolby hors service OFF E 1 1 448 PR 30B i i ms N nes o 598 LY H Y 63Hz 250Hz 333Hz 1 6 3x2 12kH2 Utilisation de STD603 avec le circuit Dolby en service Utilisation de STD604 avec le circuit Dolby en service ON type B C ON type B C 4dB 4 598 4 598 798 1kHz 63Hz 125 2 32 4kHz 2 63Hz 125Hz 333Hz 1kHz 12kHz Utilisation de STD604 avec le circuit Dolby hors service OFF 1kHz 63Hz 125Hz 333Hz 2kHz 12kHz Fig 12 8 R ponse en fr quence Canal gauche Canal droit R Montage Dolby 1 REC OUT canal droit VR403 REC OUT TP1 canal gauche VR503 canal he T O TP1 canal droit O R401 O 501 402 2 canal gauche O TP2 canal droit O 1 i VR502 7 I 1 Panneau arri re R glage de bias du VR203 canal droit 9 e R glage de bias du VR103 canal gauche R g
53. ucci n avance r pido FF y rebobinado REW Los valores medidos deber n estar normalmente dentro de los l mites permisibles enumerados en la tabla 1 Si los valores medidos no est n dentro de tales l mites reemplazar el conjunto de la base del carre te de arrastre TU y o conjunto de la base del ca rrete de suministro rueda de gu a TU o todo el conjunto del brazo de arrastre 11 7 AJUSTE DEL SOLENOIDE DE REBOBINADO 1 Establecer el magnet fono en el modo de rebobinado 2 Aflojar los tornillos y ajustar la posici n de montaje del solenoide de rebobinado de modo que el orificio cuadrado de todo el conjunto de la base del carrete quede em potrado contra el cubo de todo el conjunto del brazo de arrastre i e separaci n 0 como se muestra en la figura 11 5 Cubo conjunto completo del brazo impulsor Posici n REW Posici n FF Separaci n 0 gt lt lt Separaci n 0 Engranaje intermedio Conjunto de la base del Conjunto de la carrete de base del carrete suministro de arrastre Engranaje Modo de REW intermedio Modo de FF impulsor 1 Engranaje impulsor Engranaje intermedio Conjunto de la base del carrete Conjunto de la base del dei de suministro carrete de suministro Solenoide de FF solenoide F Solenoide de REW solenoide R Fig 11 5 Ajuste del solenoide de FF REW 32 Conjunto L izq de la placa lateral Chas
54. ust the tange shown im Fig 11 3 by the arrow to a position where when a cassette with an erase prevention detector is loaded into the holder the lever switch is ON alld When a cassette without the detector is loaded the switch is OFF Side plate L assembly Chassis rd j REC detector lever N 3 Lever switch REC detector switch A Fig 11 3 REC detector switch adjustment 27 Prior to adjustment Clean the both reel base the capstan and the pinch roller with an alcohol moistened swab 11 1 PINCH ROLLER PRESSURE ADJUST MENT 1 Put the tape deck into the playback mode 2 Gently push against the pinch roller arm with the tension gauge and separate the pinch roller slightly from the capstan 3 Then the pinch roller back onto the capstan and read the value when the pinch roller starts to rotate If the reading fails to lie within 350g 550g replace the pinch pressure spring Tension gauge Part No CGK 047 Capstan Pinch roller arm Pinch roller pressure spring Part No RBH 742 Fig 11 1 Pinch roller pressure adjustment 11 2 REEL BASE TORQUE ADJUSTMENT Measure the torque with the torque meter during playback fast forward FF and rewind REW modes The measured values should normal ly lie within the allowable ranges listed in the table 1 If the measured values lie outside the relevant ranges replace the TU take up reel base assembly and or
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