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Summary of Contents for GT-X5

Page 1: ...T I O N S 7 EXPLODED VIEWS 8 PACKING 2 5 I 17 9 P C BOARDS CONNECTION DIAGRAM 10 SCHEMATIC DIAGRAM 11 ELECTRICAL PARTSLIST 1 2 A D J U S T M E N T REGLAGE A J U S T E 30 33 40 PIGINEEFI ELECTFICINIC CCIFIPG FIATION a r Mesu o 1 chome Mesu o ku rokyo1s3 Japa PIC NEEFI ELECTFIONICA IUBAI lNC 1925 E Oominguez Sr Lons Beach Catironnia gOE 1O Ll S A PIC NEEFI ELECYFICINIC EUFICIPEI N v Keetbe glaan T 2...

Page 2: ...with acoustic compensation weighted PEAK value DIN 45507 Frequency Response o Measured at 20 dB level DOLBY NR OFF level deviation is 6 dB without in dication Signalto Noise Ratio o Measuredat the third harmonic distortion 3o olevel weighted DlN 455 3 BLATTT Sensitivity Input level mV required for reference recording level with input REC level controls set to maximum Maximum Allowable Input While ...

Page 3: ...CH Depress thisswitchto stop the tapetraveltemporarily dur ing recordingor playback Depressthis switch again to allow the tape to continueto travel When this switch is depressed to the ON position the OPERATION MODEin dicator PAUSE I I will be illuminat d The tape does not stop duringfast forwardor rewind oo rations evenwhen the PAUSEswitchisdeoressed o RECMUTESWTTCH Depressing this switch duringr...

Page 4: ... unit Remove the four screws E Front panel assembly Remove the six screws D Door assembly 1 Depress the EJECT button and open the cassetteholdel 2 Removethe hooks C 3 Pull up the door assemblv Bottom plate Remove the two screws B ...

Page 5: ...g be sure to use parts of identical designation o For your Parts Stoch Control the fast mouing items are indicated with the marhs and GENERALLY MOT ESFASTER THAN This classification shall be adjusted by each distributor becauseit depends on model number temperature humidity etc Knob B TAPE SELECTOR RAC 286 K n o b A P A U S E R E C M U T E RAC 276 Bonnet RNA 592 I I Door assembly I l l K n o b B R...

Page 6: ...olenoid F RXP 126 RXP 130 i eusnswitch S301 RSA 060 RearPanelView Line voltage selector RSX 045 Variableresistor lNPUT R C V 1 0 6 Terminal4 P lNPUT OUTPUT R KB O2O Variableresistor R C V 1 0 6 INPUT Main assembly RWX 631 Side assembly RWX 643 t d lY1 _ Pushswitch 5305 RSG 144 t Pushswitch assembly s302 s304 R S G 1 4 5 Strain relief REC 396 f AC power cord RDG O36 for HE type RDG 049 for HB type ...

Page 7: ...OR 3 2 B REC PB SWICHES FLAT AMPLIFIER l i I i r I rt_jr i q I I h l r Y t m LINE OUTPUTMUTE GATE L a d B DOLBY NOIS I o5os P HREc N O R M 4 2 l 7 m V C r O z 4 8 9 8 m v M E T A L T 6 9 t 8 m V RECOROING AMP TAPE SELECTOR SWITCHES D 3 2 1 l I ...

Page 8: ...o P I on I m I PAUSE I H I m A L I N M U T E B I A S O S C P A J S E PATJSE F F S O L M S R E W S O L PrN cH soL IlXrtSr M S S O L aT E N O P U L S E R E CM U T E L I N E M U T E TION CIRCUIT t c 3 0 1 RECORDING AMP POWERSUPPLYCIRCUIT P O W E R I N D 6 5 4 ...

Page 9: ...with the erasecurrent and the recording head with the recording bias current The dif ferent recording bias levels for the different types of tape NORM CrO2 and METAL are switched by changing the oscillator power supply voltage which in turn variesthe oscillating power 6 2 CONTROLCIRCUIT The control circuit in this deck utilizes a one chip IC PM9002B which enables feather touch operations In additi...

Page 10: ... 2 5 M S S O L Pin 23 1 Normal operation M S S W O N Fig 6 3 PM9002B timechart When MSswitchisOFF Dir t change S T O P R W F F S T O P PLAY STOP REC STOP R E C F F R E C P A U S E L I N E M U T P i n 2 7 1 REC MUTE P i n 2 8 E r A S O S C P i n 2 2 P I N C H S O L P i n 2 9 F F S O L P i n 2 6 R E W S O L Pin 25 I M S S O L P i n 2 3 P A U S E P i n 2 l 10 Fig 6 4 PM9002B timechart When MSswitchis...

Page 11: ...tabs intact is loaded in the deck pin B AR of IC4OL is switched to H level thereby enabling the deck to be switched to recording mode When the REC button is pressed IC401 pin 4 tnEel is changed to L level PitjlO REC is also changed to L while pin l g REC is open As a result the REC indicator lights up and the reed relay RY501 is switched off therebyT 7switching the signal path to the recording cir...

Page 12: ...ignal to LINE OUTPUT but since pin 28 has been changed to 66H level recording mute mode is maintained q pause lX BUrroN x Fis 6 9 PAUSEmodeoperation PLAY PLAY MUSE tc4o4 REW BUTTON f frqp t E0Y 5 or REc BUTTON Fig 6 10 PLAYPAUSE modeoperation Fig 6 8 REW mode operation 6 Pause Mode The pause mode in this deck is released by pressing the PAUSE button The pause mode is not releasedby pressing the PL...

Page 13: ... interrupted for about 84ms cor responding to a portion of blank tape between tunes IC401 switches to playback mode auto matically The above operation is much the same when the REW button is pressed instead of the FF button 8 Auto stop Mode A photo interrupter output is applied to pin 16 END PULSE of IC401 during tape transport resulting in the capacitor connected to pin L7 C408 being chargedup an...

Page 14: ... E R s409 CASSETTE HALF WITHE P TABS IS LOADED Fig 6 14 Timerstartoperation TIMER STANOBY 6 3 MECHANICAL OPERATIONS PlaybackMode The CT X5 makes use of the capstan torque when shifting the head baseduring playback mode Both the recording playback and eraseheads are mounted on the head base o StopMode see Fig 6 151 The head base shift mechanism during stop mode is shown in Fig 6 15 Operating lever ...

Page 15: ...m C Q thereby tending to continue the rotationary motion of cam gear D but since stopper G catches the arm of gear lever F E cam gear D stops rotating and operating lever A becomes stationary playback mode B Fig 6 18STOP PLAYoperation 3 o Operation of Different Parts As can be seen in Fig 6 18 the head base drive pin of operating lever A rises during play back mode This pin forces the head base up...

Page 16: ...n rotation of the supply reel base At the same time the pin at the tip of the drive arm pushesthe brake plate up thereby releasingthe reel brake Brakeshoe Solenoid R Brakeshoe Supplyreelbase Drivegear Brakeplate Drivearm Fig 6 22 Rewind operation MS Operation MusicSearch MS operation involves combination with fast forward and rewind operations similar to cue and review operations At the beginning ...

Page 17: ...2 T EXPLODEDVIEWS A B C D 1 aa 2t _ A 20 22 I T T 2 6 l 17 L ...

Page 18: ...6 5 4 A B C D 6 5 4 l ...

Page 19: ...26PO60FMC 18 RAC 281 19 RW G 137 20 RAC 234 21 RAC 294 22 RAC 286 23 RAC 285 24 RSXO4s 25 REC 355 Bonnet Screw Cassetteplate Door assembly Front panelassembly Knob CONTROL Knob B Knob A Fuse T800mA Main assembly Knob POWER Screw Power transformer l22O 24OYI Screw Sensingbelt Tape counter Screw Eject knob Control assembly Standby knob Standby knob B Knob B Knob A Line voltageselector Slidingstopper...

Page 20: ...spring Half holder Return spring Washer E type HB return spring Shaft stopper Referencepin Metal holder assembly Oil stop washer HB drivespring Erasehead REC PBhead Headadjust spring Sub head base Screw Screw Spacer for height adj Connector assembly6 P Plungersolenoid R Solenoidarm Screw Screw Plunger solenoidF Gear leverreturn spring Gear lever Plungersolenoid P Pinch arm assembly 44 RBH 90 45 YE...

Page 21: ...1 TapeTransportMechanism 3 2 A B C at w xg 21 g Y s aEF tu D 1 Dt j A N l l ...

Page 22: ...L A 6 5 4 B I rT I 60 l 2tl a C t ll 22 N I d 43 0 H til D I 5 l__ t ...

Page 23: ...cription 1 2 3 4 RHG 533 RH4 249 RHC 23 RRE O34 RRB 193 RDE 10 Packingcase Side pad Polystyrenesheet Operating instructions Ior HE type English German French ltalian Operaling instructions for HB type Englishl Connection cord ...

Page 24: ... 6 Qiillx fo ggq O o sr ri 2 S C 2 6 7 t o r z S C t 3 8 3 N C Q 5 O 5 5 O 9 5 1 O 2 S c 1 7 4 O L N o l 2SCl8l5 or SC2634NC q 5 O 6 5 O A e S C t T 4 O L N ri g Q oi r g H YT ti6oz ii rr M B ffi il K Js R 5 1 4 4 7 1 rlii 0506 q1 so4 R 5 0 2 r O l F50r I I R5O3 k ri l R5o4i 609 C SEN Ass c6c t 0 R5 GP4 9 I t D CONTROL Ass RWG 137 3 2 1 l ...

Page 25: ...filfoffiL i R 5 l f r R bo47 q a rd l zr i gFruffi ntlewf ff r 1t rr rt rl t i F N trt l 8 Lfffi d h fu r i ui t g ffi __ l l ru 1 s r te i I I i l rW w T I l la lryi Jt il1 1 1 J r r iETtktl il l 4i 1 e oz zz ffii r q l g T fiti l fr T i ffi l iI r i ffi r l ffi ffi I d t i r ffi ff l f l1 lS 8 o flu r iil diji ry lri I r 3 g Hjl lffi t Il h ffi _ff l rl i ffi t ry ffi FlI mF fu fl f3 L 7r J i fr...

Page 26: ...o2 2 5 C 2 2 4 0 Q l O 3 l O 4 1 0 6 l t O Q2O3 2O4 206 zto 2 S C r 8 t 5 o r 2 S C l 7 4 O L N o r 2 S C 2 6 3 4 N C Q r o 5 2 O 5 2 S O 1 3 O 2 Q 3 0 r 2 S A 9 3 3 L N o r 2 5 A l O l 5 o r S A l 2 7 D1o3 105 203 205 305 306 152473 or USlO4O o1o4 2O4 1M60TP D 3 0 r 1 4 2 2 1 0302 182C1 D303 304 307 304 I S R 3 5 2 0 3 0 1 w z 1 3 0 2 0 3 0 2 a z 1 2 0 2 0 3 0 3 w z o 4 4 T RTT 293 l 4ov I J LINE...

Page 27: ... B C A o o ot Ac400 POWER SUPPLY CIRCUIT FOR HB TYPE S L E C T O R R S X 0 4 5 D 3 2 1 I C 3 0 1 H A 1 1 2 2 6 I C 3 O 2 3 O 3 T C 4 O 6 6 B P o r H D l 4 O 6 6 B P o r M B 8 4 O 6 5 B M L _ _ L I N V O L T A G E SELECTOR F 5 X 0 4 5 ...

Page 28: ...L E Y N R POWER 1UTE Q 5 O l 5 O 4 2 5 c 2 O 6 O o 2 5 C 2 6 7 3 o r 2 S C t 3 8 3 N C Q 5 O 5 5 0 9 5 l O 2 5 C l 7 4 O L N o r 2 S C t 8 l 5 o r 2 S C 2 6 3 4 N C Q 5 O 6 r 5 0 a 2 5 C l 7 4 O L N D 5 O l 5 O 4 l S R 3 5 0 5 0 5 5 0 6 1 5 2 4 7 3 o l 6 5 4 2 7 t t 2 8 L I N E S E N S E R E C V c c M U T E T I S E T U T E I O T I NI TG 9 2 r u s r e m o r r I C 4 0 l 2 2 E r A so s c F U N C T T ...

Page 29: ...parts numbers This is the basic hematic diagram but the tual carcuir may vary due to improvements an design Typc No 2 7 t t 2 A L I f l E S E N S E R E C T U T I I M E U T E rcz s406 Lot No Lot No M A I N s301 s302 s303 s304 s305 T91066BP HD14066BP MB84O66BM PMgOO2B a O 4 2 S G 2 O 6 O o r I 5 C 2 6 7 3 o r 2 S c l 3 8 3 N c I 5 0 9 5 1 O 2 S C 1 7 4 O L N o r I s c l 8 l 5 o r Z S c Z S f c H c I...

Page 30: ...109 cl16 Cl18 C209 C216 c2 t8 c127 C128 C227 C228 c129 C229 c106 c206 c104 c112 C204 C212 c318 Mark Part No Symbol Description RWX 31 R W G 1 3 7 RWX 643 No supply No supply No supply OTHERS Mark Part No Main assembly Control assembly Side assembly Sensorassembly TransistorassemblyA TransistorassemblyB Symbol Description CEAR33M50 CEAR47M50 cEA 010M 50 CEA2R2M50 CEA4R7M50 cEA 100M16 cEA 330M16 cEA...

Page 31: ... Otherresistors Symbol Description RESISTORS Note Whenordering resistors conuert the resistance ualue into code form and then rewrite the part no asbefore Mark Part No Symbol Description PMgOO2B 2SA933LN 2SA101 5 2SA1 127NC 152473 us1040 PR55245 BG55245 1 M6 0 tc401 4401 0402 D401 D405 LED4O I LED4O2 LED4O3 D406 Symbol Description A A A A A A SWITCHES Mark Part No SWITCHES Mark Part No RSG 143 RSH...

Page 32: ...1815 2SC2634NC 2SC1740LN 0506 0508 A lsR3s 1ooA Dsol D504 D5o7 152473 D505 D506 us1040 A Bz o5o zDsol OTHERS Mark Part No Symbol Description RNH 209 Shield case14 RTF 084 L501 L502 Trap coil RTD 026 L503 Osccoil RSR 035 RY501 Reed relay RKP 599 CN503 Connector socket 5P PartsListof SENSOR Assembly Mark Part No Symbol Description cEA 100M16 C601 RD74PM EtrtrJ R601 R602 G P 4 1 1 8 D601 PartsListof ...

Page 33: ...nsiontoroue 12 1 3 TapeSpeedAdjustment 1 Connect a frequency counter to the PLAY terminals 2 Play the 3kHz portion of the STD 301 test tape At the beginning of the tape the fre quency should lie between 2995H2 and 8010 Hz and may be adjusted by turning the varia ble resistor located in the capstan motor adjustment hole shown in Fig 12 2 Turning clockwise increasestape speed while turning countercl...

Page 34: ...plyreelbase assembly FF solenoid plunger solenoid F FF position Contacting TU reelbase assembly ldlergear IFF Mode Supplyreelbase assembly REWsolenoid plunger solenoid R Fig 12 3 FF and REWsolenoid adjustment Gi n Fig 12 4 Musicsearch modeadjustment ...

Page 35: ...equalization check 5 Record playback frequency response 6 Recording level 7 Limiter effect check L E V E L d B STD 341A STD 608A STD 603 STD 604 Playback adjustments NORMAL blank tape CrO2 blank tape METAL blank tape Prepare the following measuring equipment AC millivoltmeter audio oscillator attenuator and oscilloscope Unless otherwise specified always adjust for both left and right channels Unle...

Page 36: ...yback Turn clockwise to maxi mum position Fig 12 9 Head azimuth adjustment Procedure Adjust the azimuth adjustment screw for maxi mum AC mV meter reading Lock the screwswith screw lock after completing the adjustment 12 2 3 Playback LevelAdiustment Since this adjustment determines the DOLBY NR level during playback it should be performed precisely Settings AC mV meter Connect to TP DOL L and TP DO...

Page 37: ...g lies within 1 5 t2dB of the reading obtained in step 1 above 3 Switch the tape selector to METAL play the 333H2 20d8 portion again and record the meter reading 4 Then play the 6 3kHz 20d8 portion again and check that the meter reading lies within 2 5 2dB of the reading obtained in step 3 o o0 333H2 3ft8v 3 1 6 m V 6 3kHz 30dBv 3 1 6 m V T un o 3 B lkBz rever 333H2revel 05dB Fig 12 12Record playb...

Page 38: ...ncy Response Testtape STD 608A Tapeselector NORM DOLBYNRswitch OFF Testtape STD 608A Tape selector NORM DOLBYNRswitch ON Testtape STD 603 Tapeselector CrO2 DOLBYNRswitch ON Testtape STD 604 Tapeselector METAL DOLBYNRswitch OFF 6 3 r H r k l Testtape STD 604 Tapeseleetor METAL DOLBYNRswitch ON Fig 12 13 Frequency response t aAz Test tape Tapeselector DOLBY NR switch sTD 603 CrO2 OFF ...

Page 39: ...INPUT level control so that the meter reads 5 2dBv 549mV 2 Switch the DOLBY NR switch ON 3 Record the 333H2 10dBv signal on the STD 608A test tape Then adjust VR102 L ch and VR202 R ch so that the meter reads 5 2dBv 549mV when the recorded signal is played back 4 Switch the tape selector to the CrO2 position and repeat step 3 using the STD 603 test tape The playback output level should lie within ...

Page 40: ...eur de couple de tension en forme de cassette 6l6ment No GGK 056 La valeur mesur6edevrait se situer d I int6rieur des normes de la liste ci dessous table 1 Si les valeurs d6passentou sont inf6rieures re mplacer I ensemble du rouleau d alimentation 6l6mentNo RXB 714 enleverI ensemblede rou leau 6l6mentNo RXB 715 ou I ensembledu bras d entrainement 6l6mentNo RXB 376 REMARQUE montteuncouple detension...

Page 41: ...e basetouche I embos sement de I ensemble du bras d entrainement voir Fig I2 3 Systdme de base ensemble du brasd entrainement Position d avance rapide FF Contrecabestan Support de bobine ddbitrice Contre abestan lMode d avance rapide FF Engrenage d entrainement 12 1 6 R6glage du mode de recherchede musique 1 R6gler la platine de magn6tophonesur le mode de recherche musicale MUSIC SEARCH 2 Introdui...

Page 42: ... d enregistrement 9 Proc6der en suivant la s6quence sp6cifi6e de r6glage Un changement dans la s6quencepeut empGcher un r6glage correct d 6tre fait et peut produire par la suite une perte de qualit6 S6quence der6glage 1 Niveau de DOLBY NR 2 Azimuth de t6tes 3 Niveau de lecture 4 V6rification du filtrage de lecture 5 R6ponse de fr6quence enregistrement lecture 6 Niveau d enregistrement 7 Contrdled ...

Page 43: ...eAC Banded essai S6lecteurde bande Mode VR101 et VR201 Brancher sur TP et TP DOL R 2kHz 30dBv sur LINE INPUT NORM Enregistrement DOL L 31 6mV d entr6e de AC indique le mesureur o o 30dBv l 3 1 6 m V Marche dsuivre 1 Ajuster le contr6le de niveau telle sorte que le millivoltmdtre 22 2d8v 77 6mV 2 Commuter le DOLBY NR ON 3 R6gler VR301 de telle sorte que indique 17 9dBv 127mV 12 2 2 R6glage de I azi...

Page 44: ...la portion 333H2 20dB et enregistrerI indication du mesureur 4 Ensuite repasserla portion 6 3kHz 20dB et v6rifier que les indications du mesureur sont proches de 2 5t2d8 de la lecture faite en 3 ci dessus Brancher les sur bornes de sortie STD 341A 333H2 20dB 6 3kH2 20dB NORM Lecture 604 S6lecteurde bande NORM CrO2 METAL Mode Enregistrement I 3kHz niveau 333H2 niveau 0 Fig 12 12 R6glage de r6ponse ...

Page 45: ...5H2 et ldB d 63H2 Banded essai STD 603 S6lecteurdebande CrO2 CommutateurdeDOLBYNR ON i 3 H t r l H Banded essai STD 604 S6lecteurde bande METAL Commutateur de DOLBY NR OFF Banded essai STD 604 S6lecteur de bande METAL Commutateur de DOLBY NR ON Fig 12 13 R6ponse de fr6quence STD 608A NORM OFF Banded essai S6lecteur de bande Commutateur de DOLBY NR STD 6O8A NORM ON t25 Az Banded essai S6lecteur de ...

Page 46: ...ss6en lecture 4 Commuter le s6lecteurde bandesur la position CrO et r6p6ter le No 3 en utilisant la bande d essaiSTD 603 Le niveau de sortie de lecture dewait se trouver proche de 5 2dBvl1 5dB 5 Puis commuter d la position METAL et r6p6ter l op6ration en utilisant la bande d essai STD 604 Le niveaude sortie de lecture dewait setrouver proche de 5 3dBv11 5dBv 12 2 7 Contr6le d effetde limiteur Posi...

Page 47: ...el ensamble del carrete suministrador parte no RXB 714 ensamble del carrete de arrastre parte no RXB 715 o ensamble del brazoimpulsor parteno RXB B 6 Tabla1 Conjunto de la base del carrete de arrestre Conlunto de la base del carretede suministro Modo de de reoroducci6n 36 6og cm 2 Sg cm Modo de de avancerSpido 85 125g cm 2 5g cm Modo de de rebobinado 2 Sg cm 85 125g cm NOTA indicapar de torsi6nde ...

Page 48: ...aci6n de canciones 1 Establecer el magnet6fono en el modo de Iocalizaci6n de canciones MUSIC SEARCH 2 Insertar un destornillador enla secci6nranurada A de Ia plalanca B y ajustarel entrehierros C a la separaci6n 7 8 a 8 1mm Fig 12 4 Ajustedelmodode localizaci6n decanciones Conjunto de la basedel carrete de suministro Modo de BEW impulsol de arrastre Engranajeintermedio Conjunto de la basedel carre...

Page 49: ...grabaci6n 9 Proceder de acuerdo con la secuencia de ajuste especificada Si se cambia la secuencia se puede ocasionarel ajuste inconecto dando como resultado en una p6rdidadel rendimiento Secuencia deajuste 1 Nivel Dolby NR 2 Acimut de la cabeza 3 Nivel de reproducci6n 4 Comprobaci6n de la ecualizaci6n en repro ducci6n 5 Respuesta en frecuencia de grabaci6n re producci6n Nivel de grabaci6n Verifica...

Page 50: ...do Ajuste el tornillo del acimut de la cabeza Fig 12 9 Ajuste delacimut delacabeza Procedimiento Ajustar el tornillo de ajuste del acimut para la indicaci6n m6xima del milivoltfmetro de CA Enclavar los tornillos con el enclavamiento de tornillo despu6s de haber completado el ajuste 12 2 3 Ajuste del nivel de reproducci6n Puesto que este ajuste determina el nivel de DOLBY NR durante la reproducci6n...

Page 51: ...ndica ci6n obtenida en el paso 1 anterior 3 Poner el selector de cintas en la posici6n de METAL reproducir la parte de 333H2 20dB de nuevo y registrar la indicaci6n del voltf metro 4 Entonces reproducir de nuevo la parte de 6 8 kHz 20d8 y comprobar que la indicaci6n del voltfmetro est6 entre 2 5t2dB cle la indicaci6n obtenida en el paso B 333H2 30dBv 3 1 6 m V 6 3kH2 3ft8v 3 1 6 m V 2 VR50l canali...

Page 52: ... STD 608A Selector decintas NORM Cinta de prueba STD 603 Selectorde cintas CrO2 InterruptorDolBYNR ON Cinta de prueba STD 604 Selectorde cintas METAL IntemrptorDolBYNR OFF Cinta de prueba STD 604 Selector de cintas METAL InterruptorDOLBYNR ON Fig 12 13 Respuesta enfrecuencia Cinta de prueba Selector de cintas Intenuptor DOLBY NR STD 608A NORM ON r 2 5 H t Cinta de prueba Selectorde cintas Interrup...

Page 53: ...2dBv 549mV 2 Poner el interruptor DOLBY NR en la posici6n oN 3 Grabar la sefralde 333H2 10dBv en la cinta de prueba STD 608A Entonces ajustar el VR102 canal wq y VP 2O2 canal der de modo que el voltfmetro indique 5 2dBv 549mV cuando la sefral grabada se repro duzca 4 Poner el selector de cintas en la posici6n de CrO2 y repetir el paso 3 empleando la cinta de prueba STD 603 El nivel de salida de re...

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