Hitachi HTA-12 Service Manual Download | Manualshive

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Summary of Contents for HTA-12

Page 1: ...STEREO 70 dB lHF 60 dB lEC unweighted Q peak 55 dB lEC weighted Q Peak 50 Hz 12 kHz 50 ps a2 dB 50 Hz 15 kHz 50 ps lÀ 3 osl for W Germany ltaly 50 Hz 12 kHz 75 ps 2 dB for U S A Canada O FM SECTION Frequency range Usable Sensitivity 5O dB Quieting Sensitivity 22 4 dBî MONO SPECIFICATIONS lmage interference ratio Total harmonic distortion Signal to noise ratio Frequency response Selectivity Stereo ...

Page 2: ...HF 500 pcVlm lHF Zimmer antenne 38 dB 35 dB 9 kHz 45 dB 165 mV 400 Hz 30oó Modulation 1 50 350 kHz 200 pV DlN S N 26 dB 435 8 x 60 H x 236 T mm 2 4 ks 5 3 lbs î î Measured pursuant to the Federal Trade Commission s Trade Regulation Rule on Power Output Claims for Amplifiers NOTE Multi voltage unit can be operated on 110V to 1 20V 200V lo 220 V or 230V to 240V When the boltage selector setting is c...

Page 3: ...iques du bloc d alimentation qui ne doivent en aucun cas ètre rémplacées par celles d autres fabrieants Les piéces critiques sont accompagnés du symbole A dans le schéma de montage et sur le schéma de plaque de càblage 2 Avant de retourner I appareil réparé au client le technicien doit procéder à un essai complet pour s assurer qu il ne présente aucun danger de chocs électriques RISTIQUES TECH NIQ...

Page 4: ...capacitor opens and closes three times r When the cord thension is thus equalized make adiustment so that the tip of the trigger spring matches with the point E shown on the pulley Set the zero point of the pointer in this status Spezifikation Bewegen Sie den Zeiger nach dem Einstellen der Skalenantriebsschnur 3 mal ùber den gesamten Bewegungsbereich hin und her der Drehkondensatr wird 3 mal geóff...

Page 5: ...et uEight with thg rear plate and front panel kept mounted 4 By loosening the screw q through D in the front panel can be removed 1 Wenn die Schraube entfernt wird kann die abdeckung entfernt werden 2 Entfernen Sie die Schrauben Ois 9 neben Sie das hintere Blech etwas an und ziehen Sie die Frontplatte elwas nach vorne heraus 3 Die Grundplatte kann aufgestellî werden wàhrend hinteres Blech und Fron...

Page 6: ... zscqss MUTE MUTE Q301 2SC458 rc401 M5218P rc701 STK 41 41 ll except U K STK463B U K only ON OFF s702 703 SPEAKER TONE CONTROLS PHONES SPEAKER PHONO TUNER CD AUX t_REC TAPE l puv s403 TAPE MON TOR SWITCHES î AC 120V 60Hz 220V 50 60 Hz o240Y 50 60 Hz a 120 220 24OY 50 6OHz AC OUTLETS US CS only s001 POWER SWITCH DC OUTPUT FOR TUNER FT 12 STABILIZED CIRCUIT FM IFIAM RF IF ssol Él O MODE SW I I OFUNC...

Page 7: ...O z o Dist Gondition Function FM Bedingung Funktion FM UKW Condition Function FM FM Muting OFF FM UKW Muting oFF Sourdine FM OFF Modulation l OOO Hz 53 3 l tlodulation 1000 Hz 53 3 Modulation 1000 Hz 53 3 Sequence Relhenfolge Séquence Connectlon Anechlu6 Connexlon Settlng Elnstollung Montag Adlust for Eln3t llen fiir RóglaEe pour lnput Elngang Entróe Output Auagang Sortle o Tunlng Abstlmmung lndlc...

Page 8: ...utput is like the S curve shown in illuslration of this table with A and B symmet_ rical with respect to C CAUTIO VORS 1 Die Oszillator Stufe kurzschlieBen indem die spannungsfùhrende Seite des Regelkondensators dieser Stufe an Masse gelegt wird Den Kern von T1 03 so einslellen daB maximaler Gewinn erzielt wird ln diesem falt ist Oer Eingangssignatpegel des Signalgenerators zu reduzieren damit rdi...

Page 9: ...tion Fig 2 Etant donné que tZSt contient un filtre céramique de 450 kHz il peut arriver que le centre de l indicateur ne corresponde pas à la forme d onde 2 Ajuster le niveau d entrée sur 74 dB en procédant à un réglage approximatif Réduire le niveau d entrée à son minimum 55 dB au fur et à mesure que le réglage est fait S quence Relhenlolge Séquence Connectlon AnschluR Connexlon Sottlng Elnstollu...

Page 10: ...scilloscope Volîmètre à courant Oszilloskop ternaîif oceillocnnna AM Signal generator AM Signalgenerator Générateur de FM Signal generator UKW Signalgenerator Genérateur de signal FM ANT TERMINAL Wechselspannungsmesser À ì f iu vortmètre a couranr AC Vollmetep Oscilloscope Oszilloskop Klirrmesser Distortionmètre Fig 5 Abb 5 Fi9 5 B i n arternatir ANT DUMMY Ku nslantenne Antenne fictive FM freqúenc...

Page 11: ...HITACHI HTA 12 PRI NTED WIRING BOARD PRINTPLATTEN PLAN DE BASE Earth Other 3 1 x TUNEI IÈ 9 F ri OO T T 9 n u a i r t for l l Gernony Itoly AM position except U K Switzerland France 11 ...

Page 12: ...o S l i 5 î è DIAL POINTER î I C201 I 2 2V 2 4V 2 2 2V OV 2 3V 1 6V 2 4U 2 3V q 4 lV 1C202 I v 9 tv 7 7 5V 9 1 9V 1 7V 2 0 6v 8 6V 8 7 5V 9 9V il 7 9V 10 5V 3 0 6v 8 6V 9 7 4V 9 9V 0V 0 18v nm Off 0 ltlV tl l 6v 8 5V tc z lv 9 6V 1 1 5V 1 5V lv l o l1 s L 1 5V 1 ry lv 0 8tv l 7 8V 10 sV lt 0 6v 8 6V 73 ît 7 4V l 2 w 2 3 V OV Ir 2 4V 3 7 St J2 4V u 2 4V 4 LO N 0v tÍ l 2v 6 8V 5 10 7V 2 4V 6 7 N O N...

Page 13: ...t U S A T101 È Àn O tl Germnoy ltoly 82K others 100 lll Ge rmnoy I t0l y Others TUNER tt plf 2 crr a retcHr xc114 51 22P ì6 RH A 1151 Ml l r lsJ T151 Ml4 d JN N n _ I Lllli g lEL ill DIAL POINTER P M B CAUTION Use the electroryl when the diamet ruirrdc l tJJlZ li I a Ò d For U S A FM Quad Oet 1K NY N É6 ù rrì I J o c o lî a ...

Page 14: ...he Amplifier HA 12 o 9 l I N A I o t I Sweden Austrol io Asio Lotin Americon countries 18K 14 Germonysltoly 1 IC2OI 13 N 7 4V 2 N t 1v OV L 2 qv 7 8V 12 4V 2 4V q IO N W F 3 2V 5 8V r0 7v 2 4V 7N ON rc202 At7273 RF IF o Nì I O N 7D3OI tlz 3A u s A conodo 0 047 others 0 022 exceDt U S A Conodo x c N N É O I UTE OFF j STEREO MUT ON II Ftll tc202 1 7 5V 9 9 7 5V 9 9V 1 1 7V l 6v 8 6V 7 5ú q gv u 7 9V...

Page 15: ...2 PRINTED WIRING BOARD PRINTPLATTEN PLAN DE BASE lFÎEl Earth other X A X 2 X C T o JP ri o6 T P Tl ea e ls r rr i iì Àr r r r r rr r iì t ii iì t iaiìt1 t i t iì ti i t for U K Switzerland France re Al1 Position 13 ...

Page 16: ...V OV 2 3V 1 6V 2 4V 2 3U 4 V rc202 1 z 5v 9 9V 7 7 5V 9 S t 9v r v 2 0 6v 8 6V 8 7 5V 9 9V t 7 9V 10 5V 3 0 6v 8 6V 9 7 4V 9 W ll CM O 18V ME OFF 0 18V 4 0 6v 8 5V lf 7 lV 9 6V lt 1 5V 1 5V 5 l 1 0 t OV L 1 5V 1 5V 5 l tv 0 8v 1t 7 8V 10 5V 1 0 6v 8 6V rL v f POINTER I 13 N 7 4V 2 N 2 3 rv w 2 4V 3 z 8v t2 4V 2 4V 4 10 7V OV Lf 3 2V 5 8 5 10 7v 2 4V 6 7 N a 0 7v tJ c E C l DIAL 13 P M B Y ...

Page 17: ...rytic capi when the diameter of th TUNER P A B I plf tr cn8 1P cH OIOI FM RF 2Sr 55 xc103 47P DIAL POINTER P B X Cl07 2 D F dù i T101 È o d o a a T151 fvll l rl lFt nîz Ll l îi lFl N0 tf uTt NI STEREO I 1UT 0102 2 d5 N È NO d cj 4 F Quad Det ct56 t50P R223 IK N R234 220 dh 1151 Ml l li LI52 L14 L g r r r r r3 à 14 ...

Page 18: ...r supDly from tne Amplifier HA 12 RI1O 18K ÍIIUTE OFF I EIT 0r03 FM OSC I STE L l REO MUTE IC2OI lc30l IIIII96 FM MPX rc202 It7273 FM IFl 4v N N F l O iN ao tî z C Éd o N N È ON II Ff L5 5V 74V 2ît 5rv W u 24V 6 12 4V 2 4U u 10 7V OV É l 2v 6 8ú 10 7v 2 4V O N a rc202 5V 9 9V 5V 9 9V t 9v 1 7V r 6v 8 6V 7 s q qi Ir 7 9V 10 5i 3 3 6V 8 6V 7 4V 9 9V 0V 0 l8V ruIE Off 0 18V 4 0 6v 8 5v lt 7 1V 9 6V I...

Page 19: ...HITACHI HTA 12 WIRING BOARD PRINTPLATTEN PLAN DE BASE Earth Other Bla B I Btd È Wliie Ctd I 15 ...

Page 20: ...drischer Keramikkohdènsator mit axialer Zuleitung x Condensateur céramique cylindrique a conducteur axial A POWER SW except Asio Lotln Americon count r i es ù Avolrnoe sELEcroR sw A P T POWER SUPPLY CORD L w u o E POWER SUPPLY CORD Arr Black White 15 V ...

Page 21: ...or W Germony only RqOqL R405L 22K 270K I C 0r t52l8P EQUALIZER AMP R407L 1K J lol fo r 14 Ge rmony 2200P except lll Germony for W Ger xceDt lll 0 01 TUNER AUX J REc TARE Lrro R4091 lK s402 EM Rch Same as Lch for W Germony except l l Germony 7 2 à 16 ...

Page 22: ...e a conducteur axial MAIN AMP except hl Germony 10 1 4 for W Germonv ot o 1 OFF s 03 R7O9L 200 220u 110 120V l T001 r t À L701L ept Ge rmony 6ZuH I Ge rmony 5uH Y C 6 J N o N É F t I n c N o d i F l N N O dl ol l Nl Nl o 7r I 0l b o ór rul _ro co AlTSt O I z o JY 6n NÈ É o N J hl NV d6 n 55 BmV RB08 47K a l c rX P Y a t l c r l ocd dJ ii iltggi o r 47 2W ATool a t a DC OUT 14V 15OmV lu l 240v 50Hz...

Page 23: ...AM SCHALTPLAN oFor U K only PI AN DE CIRCUIT t t l I I D806 152076 R808 10K 08 0r 2sA933G ì c7011 ttt It 7 50 o N N J O N tcTol sI 63 1 2 R705 100 Fuse resistor 0803t 2SA933 n J N o J N N N J È c7111 0 039 c7L2L 0 22 50 R71OL 4 7 ztl RTIIL 2 2K c7101 5600P R751 50K c ClOgt t ttZS C7l3L 10 r6 Rch Same as Lch 17 ...

Page 24: ...etriebsartenschalter FM MODE AUTO MONO MUTE oFF Funktionswahlschalter FUNCTtON Abstimmknopf TUN I NG U fw RntennenanschluB FM ANTENNA 75 Ohm f rdungsklemme GND nu zimmerantenne nM Rntennenklemme AM ANTENNA Ausgangsbuchsen Gleicnspannungs E ingangsklemme Commutateur de mode FM MODE AUTO MONO MUTE OFD Commutateur de fonction FUNCTTON Bouton d accord TUNING Bornes d antenne FM FM ANTENNA 75 ohms Born...

Page 25: ...l GND Steckdose bei fùr Asien und fUSe notOer Lateinamerika bestimmten Módellen for Asia Latin American countries Netzkabet volrne e sELEcroR Erdung cND for Asia Latin American countries Sicherungshalterung FUSE fúr Asien und Lateinamerika Spannungswàhler VOLTAGE SELECTOR fúr Asien und Lateinamerika lnterrupteur d alimentation POWER Prise de casque PHONES Commutateur d enceintes SPEAKERS Commutate...

Page 26: ...l3 cll4 cr l5 cl l6 cl l7 clr8 cll9 ct2t ct22 ct23 cl24 cr52 ct52 cl53 ct54 c155 cl56 cl57 c20t c202 c203 c204 c205 c206 c207 c208 c209 c2to c2tl c2r2 c2t3 czt4 c2r5 c2t6 c2t7 02400 02 o230tt2 0230028 0240108 0240108 02301 l8 0230006 0230004 0230010 o230o36 0240108 0240108 0248336 0248037 0230120 o23N76 0230058 0240108 o2464tl 0248640 0230026 0240108 0240108 0230012 0230062 0230060 0230074 o279327...

Page 27: ... for U S A Canada Carbon hlm l6 8kO except U S A Canada Carbon frlm I tStO for U S A Canada Carbon hlm l6 8ko except U S A Canada Carbon hlm I tStO for U S A Canada Carbon film t39kO syo Carbon lilm llem 5Vo Carbon film I l 5kO t5 SRDI 4P SRDI 4P SRDI 4P RCI 2GF SRDI 4P SRDI 4P SRDI 4P SRDI 4P SRDI 4P SRDI 4P SRDI 4P SRDI 4P sRDr 4P SRDI 4P SRDI 4P SRDI 4P rny Italy any Itali SYMBOL No PART No DES...

Page 28: ...ceramic filter 10 7 MA5 for U S A Canada FM ceramic filter 10 7 MS2 except U S A Canada AM ceramic filter SFZ450F Trimmer capacitor 10P white Trimmer capacitor I lP white for France Switzerland U K Trimmer capacitor I lP white for France Switzerland U K Trimmer capacitor l lP white for France Switzerland U K Trimmer capacitor 20P red for France Switzerland U K Spacer Variable capacitor except Fran...

Page 29: ... 50v 50v SYMBOL No PART No DESCRIPTION c722 c723 c725LR c126 c80l c802 c803 c804 c805 c806 c807 c809 c8l0 c8l I o2760tt 0209737 02740tt 0239421 o24t90t o2765tt 0259933 0259933 0252631 o252631 0252525 o25282t 025223t 02528tt Mylar hlm for W Germany Italy Ceramic discal lO Otpf for W Germany Italy Mylar film I l000pF for W Germany Italy Ceramic discal I O Otpn for W Germany Italy Ceramic discal lO l...

Page 30: ... STK4l4l tr except U K s 2 ept U K 2 K 2SD880 2sA933 for U K DIODES D801 D802 D803 D805 D80ó zD80l zD802 233 1461 2337 t62 2337Ort 233998t 233 tOlt 2337587 2337532 s4vB20 FRBI2 O1R l s2076 LED LD OOIGG 152076 for U K HZsC 3 HLL5 2 VARIABLE RESISTORS R65 I R652 R75l R752 0ló675 l 015 1848 0158733 0l 5 8733 200ko B MArtg 200ko tw BALANCE soko c ToNE 50ko c ToNE corLs LTOILR LTOILR 2227361 22273t1 Au...

Page 31: ... Asia Latin American countries AC selector switch for Asia Latin American countries Fuse TIA 3óXSDTbind for Asia Latin i sYfrrBoL No PART No DESCRIPTION A 4 2757525 27 r7 5t4 270245t 2749500 265 836r _27 77e3 for ACCESSORIES FM antenna e cept W Germany Italy DC plug gord for U S A Cgnada DC cord Patch eord E socket adaptor for Asia Ltain American 250Y fior Asia Latin American ...

Page 32: ...O JAPAN Head Office THE HITACFII ATAGO BLDG No 15 1 2 2 Chome Nishi Shinbashi Minato Ku Tokyo 105 Japan Tel Tokyo 03 502 2111 ì î HtrAcHt HITACHI SALES EUROPA GmbH Postfach 801060 Rungedamm 2 2050 Hamburg 80 West Germany Tel 040 734 11 0 HITACHI SALES U K Ltd Hitachi House Station Road Hayes Middlesex U83 4DR England Tel 01 848 8787 HITACHI SALES SCANDINAVIA AB Rissneleden 8 Box 7138 172 07 Sundby...

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