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Sony TA-AX5, Service Manual

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Summary of Contents for TA-AX5

Page 1: ...onicdistortion Less than 0 005 at ratedoulout Intermodulation lMtdistortion 60Hz 7 kHz 4 1 Less than 0 005 at ratedoutput Frequencyresponse PHONO RIAAequalization curvet0 2 dB Continued on page 2 W A R N I N G A N I S O L A T I O N T R A N S F O R M E R S H O U L D B E U S E D D U R I N G A N Y S E R V I C E T O A V O I O P O S S I B L ES H O C K H A Z A R D B E C A U S EO F L I V E C H A S S I S ...

Page 2: ... controls lmpedance4 7kilohms SPEAKERA B Acceptsspeakersof 8 16 ohms HEADPHONES Acceptslow and high impedanceheadphones BASS 10 dB at 50 Hz turnoverfrequency250Hz 10 dB at 100Hz turnover frequency500Hz TREBLE t10 dB at 25 kHz turnover frequency3 kHz 10dB at 50 kHz turnoverfrequency6 kHz 6 dB octaveattenuationbelow 15 Hz 6 dB octaveattenuationabove9 kHz 20 dB Subsonictilter Hightilter Muting È F È ...

Page 3: ... r e n l l o I I TURilov R FRÊolHz ll I 250 5oo 3k 6r ro I ÂCOUSTICLEVEL FLAvoR ADJUSl FEilôFn FÊffi lvôLùfrI lvôtûO lîtPE l FuNER l lpHolio mpE rcopy a trLAil Iacousrcl racousrrcZl fi f ft 11o ft ft f ft ft ft ft s30 sæ sil sro q s6 s7 s8 s9 srz s26 522 sæ 0703 rc704 705 3 ...

Page 4: ...5 sr6 sl7 fsPEAKaR l s2 a oN sl I ofF s2 r s3 1 s2 2 6 k H r E4 1 1 s25 11 sr3 B ITFEtrLTl FR EfiA lTuntrôVgnTneo l nr lEÀSSi l EÂSs 2soHz 5o0Hz 3kHr Ê È F r 9 9 9 9 9 1 1 Y Y Y Y T T srg s 9 sæ sar z2 s23 s24 SAIIE AS L CH VOLUI E BALAI CE L R l lllllllllllll s2 3 S3 2 s2 4 4 ...

Page 5: ...ad is dangerous 2 Inverter Circuit TransistorReplacement Whenany of invertertransistors Q903 Q904 is broken replacetheir transistorstogether A pair of transistors with the samerank is provided for servicefield use Rsf No Pert No Description Q903 Q904 x 4866 605 l TransistorAss y seryice 3 Inverter Circuit Transformer Replacement The lead wire arrangementfor eachof T90l and T9O2in the inverter circ...

Page 6: ...Follow the disassemblyprocedure in the numerical order given TOP COVER PANELASS Y TOP COVER O PANEL ASS Y Q BVTTSx6 threescrews o i avrrsr d g three screws v O BVTT3 x I qê 3 x 6 Ql avrps a two screws BV two unsolder the terminal screw ...

Page 7: ...BALANCE adjustments two or threetimes After replacingthe power transistors DC BIAS and DC BALANCE adjustments shouldbe made RT352 B cH audio board RT35I n cH 4 DC BiasAdjustment with no signal input Procedure L CH Adj ustRT302 for l0 mV readings VOM DC range DC Balance Adiustment with no signalinput l Turn Powerswitch ON Connecta VOM Adjust RT301 L CH and RT35l readingon the VOM R CH for 0V speake...

Page 8: ...TA AX5 lc80rcx789 MOS CONTROL LOGIC rc70t llP0553c DATA PORT G DATAPORT H ...

Page 9: ...TA AX5 tc702 uPD8243 rc703cx76lA tc40rHAl2002 TS rRn Fol i POTEN ...

Page 10: ...TA AX5 tcl0l l5l 802 804 CX550 tc704 M8840698 1c705 MB8400rB 1c803 cx770 10 ...

Page 11: ...m C È æc2769 m W 25D3s8 2s8528 l FYI luil u t 2SD809 258649A 230669A 258648 2SD668 letter srde F 1 cx761A cx770 M s4517 P l r n e or slrt or oor ïop vrew 25C2681 2SA1141 2SC1364 7 25C2545 2S41015 2S8647 H412002 tne or dot pPD553C141 cx789 pPD8243C M8840018 M8840698 1 2 10p vrew 2s C2291 2SA1027R 1S1555 lODF2 3ODL4F EOA0l O5R EOA0l 06R HZ 6C2L HZl2C2L 1082 EOB0l 28 r trr anode 2SA1 N9 fi ...

Page 12: ...ut Seepages 8 to 10 for block diagrams of lC Note r Color code of sleeving over the end of the iackel SECTION 4 DIAGRAMS B IIIIPUTBOARO o o parts extracted from the component side parts extracted from the conductor side m component side parrern a B p a t t e r n I B p a n e r n 12 ...

Page 13: ...AX5 rI 2 3 z 7 zJ É8 R2r 471 ô r C H H F r t i l r f I I T jiffiË jr T lf I l J ll ô u jËE 220lr0v 1C802 FUNCTToN EoARo I E4 ii 1 1 _ 5i Ë T 1 r à iâ L o Io Jlo Jlo lo Jlo 4 cs 5lo llo Io 5l rÏ n ir i 1 t t J ...

Page 14: ...TA AX5 lc t l rc803 tct5t lclol tc 06 rc7o2 t r5r os 0 o 7 4 rulelfi ij i8à38138g l ll ïlL l ig r r ro c 03 3 6 153 rRANsrsToR BoÀRo I ...

Page 15: ... 555 307309317 ffit 301 TA AX5 905 907 906 908 603 t B lfror zs 3r5 705 7063l t 7073t2 3oit l0 l tlot 4 tof æ7 eol 6 sot 15 04 60 r 357 702 RT30I RT3O2 lP P sBoARDI T S porER lRlltsf t I T llco usrl IFTLTER I TURI OVER 250 500 F ...

Page 16: ...sPtÂxER 0u1Pu1 lElilfiAl illrPE0 aMf4 16lr IHEA0P Oi E 8oaRDl lDrsPr aY soaRDI ...

Page 17: ... EO AiIP I L R C H 0t5r 0t52 2SC2545 EO ATP llaRïRlp6a t 4C MM 5 r Rt0l ilo l r zw l 0t03Hz6c2L LIMITER Q1 0 3 2SK30A CURRETIT REG Dt53 HZ6C2L LIMITER tcr0rcx550 EQ ATP l I J rc 5rcx550 AtilP t ErI 0r5325K30A CURRETIT RÊG TA AX5 D Ril9 750 cll0 6800 2i u L êËli 17 ...

Page 18: ...8 PO ER AIP 030t 35r 25A1049 CURiE T RfG c30l 4 7 25V tEot 356 0304 354 wt22t 2s86rt8 EIAS CURREIIT 0303 352 2SC229l CURRElllMIRROR c3 470 63V I c20l I 50v o 0401 2S0358 VOLTAGE REG 040 c 0 c 0 0402 A 2S 0L tc80l cx789 AMP 18 ...

Page 19: ...OIVER ÂIIP J rc401 HAi2ôôà 8f83 PROTECTOR c309 0068 50v c3r0 0 068 50v 0308 309 312 2 0358 359 362 2Sct634 9ç91 0ggt 602 5 zùuJcË E0A0l 06 ù wËfu â i ifl _O Q602 0602 258734 POTER SUPPLY D 05 06 i HZ6C2L LIMIIER t2 2S ...

Page 20: ...cat d except for electrolytics and tantalums All reslstoru l in ohms W unless otherwise noted kO 1OO0O MO l0OOkO L cH 4tr nonflammableresistor lsp at ER al F f usibleresistor R cH r l Panel designatlon t I a d l u s l m e n t o r r e p a i t L50l 1 8 H b u s o u 4 B b u s L CH F Signal path Ea cR sfl R CH l ooto 0603 258647 POWER SUPPLY c o x O rt ot RECÎ I Q trur ...

Page 21: ... capacitorsare in pF unlessotherwisenoted pF ppF 50WV or less are not indicated except for electrotytics and tantalums lauDto 80aRD t 2 I a t ô o to TONE r o t o A C O U S T I C T î f FILTER ïURNOVER FREe Hz 250 500 3k 6k VOLUMEBALANCE L 1ilililfililililt1 1 t r citoi 00k t_ 21 ...

Page 22: ...s3o s29 SlI Sl0 l_l ATr al dB I r r r r r l l o o v l r r t R ll a J l l T A P I 2 l L q 9 1 PL7r4 PL7r6 Pt7t2 PL71 PL7l5 PL7 3 0704 709 lsl555 CONTROL c7t4 ô o cTll 0 01 t c 7 o 5t 4 4 All resistorsare in ohms W unless otherwise noted nonflammableresislor f panel desi ka 1oooo Mo loooka 22 F fusible resistor f adjustmen ...

Page 23: ... MUTE S2OTREELÊ I S23 5OO sr8 8as s2t TRESLE S24 3k 1 Sl5 S 6 St7 5t8 Stg S20 S2t 522 523 524 S25 2 5 ONTROT 070t Q702 2SA733 CONlROL 28 8V e 3 D CONTROL rc706 x545r7P c0tiTR0L R724 t5f 0703 I 4 2SA c01 TR0L 23 lnalion i for repair B b u s a B b u s ...

Page 24: ...TA AX5 SECTION5 EXPLODEDVIEWSAND PARTS LIST cl 24 t v ô B l 11 _z ...

Page 25: ......

Page 26: ......

Page 27: ...Common ca pacitors are omjtted Refer to the follov ing lists for their part numbers M F p F P F p p F RES ISTORS AlI resistors are in ohms Conmon 1 4u l 8W and l l6l l carbon resistors are omitted Refer to the followinq lists for thejr part numbers F nonflarmable TA AX5 HOLDER LAMP LUG 3 RITAINING RING C 2 SCREW PSW3X6 SCREW P 2 6X5 TYPEz NON SLIT SCREW BVTP3X8 TYPE2 N S SCREW BVTT3X6 S SCREW BVTT...

Page 28: ...5U 50v 100 100v 50 25U CAPAC I TORS AlI capacjtors are in uF Common ca pacitors are onitted Refer to the follolling ljsts for their part nunùers M F p F P F p y F RES ISTORS All resistors are in ohms Common 1 4ltl 1 8Wand l 16t l carbon resistors are omitted Refer to the followinq lists for thejr part numbers F nonflannable iiiiiitiiiiiiiii il ii iiii ii J i i The components jdentified n by shadin...

Page 29: ...e l a y s h o u l d b e a n t i c i pated whenorderjng these items Due to standardjzation parts with part numbers A aAA aAA XX or A AAA AA X may be different from those used in the se t 29 ELECTRICAL PARTS Ref No Part No Descriptjon D103 8 719 910 68 DIODE HZ6C2L D153 B 719 910 68 DIODE HZ6C2L D301 8 719 910 68 DIODE HZ6C2L D302 8 719 815 55 DIODE 1S1555 D303 8 719 815 55 DIODE 1S1555 D304 8 719 8...

Page 30: ... 2SCI364 7 TRANSISTOR 25C7364 7 TRANSISTOR 2SAIO27R TRANSISTOR 2SA1027R TRANSISTOR 5C1364 7 TRANSISTOR 2SD669A TRANSISTOR 2SB649A TRANSISTOR 2SC2681 TRANSISTOR 2SA1141 TRANSISTOR 2SA1175 TRANSISTOR 2SAI049 TRANSISTOR 2SA79B TRANSISTOR 2SC229I TRANS STOR 2S8648 TRANSISTOR 2SD8O9 TRANS STOR 2SD66B TRANSISTOR 2SA1027R TRANSISTOR 2SCI364 7 TRANSISTOR 2SCI364 7 TRANS STOR 2SA1027R TRANSISTOR 2SA1027R T...

Page 31: ...a n d a r d i z a t i o n p a r t s w i t h p a r t numbers A AAA AAA xx or a AAAA AAA X may ue ajtterent from those used in the s e t 31 ELECTRICAL PARTS Ref No Part No R384 1 217 611 00 R385 1 217 611 00 R386 1 217 611 00 R401 À 1 213 137 00i R402Â 1 2i3 137 00 R418A I 206 612 0A Descripti on RES MITALPLATE 0 1 RES MITALPLATE 0 1 RES METAL PLATE O i METAL 330 MTTAL 330 METAL 2 2K CARBON 2 2K ilE...

Page 32: ... 5 I t t 0 t 5 6 0 0 1 i t r02_944_00 6 i l_t02_94s 00 e I t t 02_e46 00 r0 l t02_947_00 r I I I_t0 _948_00 J Llo no94o 13 I t ro gsooo rs I t to2 esr_oo 16 I t_t02 es2 00 18 I t_ro2_gs3_oo 22 I t_lo2_esg_oo 24 l_t02_960_00 33 i l lo2_e63 00 27 I t0l_96 t_00 30 t t02 962_00 l t 0 l 3 6 l 0 0 l t 0l 367_00 t t0l 976 00 l t 02 977_00 r L0 gi8 00 r I 02 979 00 t t02 980 00 l t 02 98 r 00 r r02 820 00...

Page 33: ...r 5 r 0 0 l t 0 R 3 7 0 0 0I 1 0 8 4 1 4 0 0 0 0 1 7 l 1 0 8 3 5 c 0 0t t o t S o o t t o s 4 c 0 0 0 i 0 0 0 1 3 l t o 8 l t l o 0 l l 0 R 3 7 1 0 0l l 0 R 4 1 5 0 0 0 0 i 1 l l 0 R 4 4 0 0 l 1 0 8 3 8 1 0 0t 1 0 8 4 1 7 o 0 l 0 00 lq l 108 r54 00 I l0s l7 00 l l0s 416 00 0 0lq l l0R 360 00 l 108 J84 00 I l0R 418 0o I r n e i r n ô n n 4 I l o R r 4 6 O O l 1 0 8 1 8 5 0 0 l 1 0 8 4 q 0 0 u 4 r à...

Page 34: ...80k 750k 820k 9l0k I 246 521 0 1 216 52240 1 216 52340 1 216 52140 I 246 525 00 t 246 52640 t 246 527 A0 I 246 528 00 t 246 52940 I 246 530 00 I 246 531 00 I 246 532 00 I 246 533 0 I 246 534 00 r 216 535 0 I 246 536 00 l 246 537 0 I 246 538 0 1 246 539 00 1 246 540 00 1 246 5 1 00 t 246 51240 I 246 543 0 t 246 54440 L0M r tM l 2tvt r 3M l 5 M l 6 M l 8M 2 0M 2 ntl 2 lM 2 7M 3 0M 3 3M 3 6M 3 9M 1 3...

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