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Summary of Contents for TA-N77ES

Page 1: ...ithI ohmloads bothchannels driven from20 20 000 Hz rated200wattsper channel minimum RMSPower withno morethan0 004 totalharmonic distortion from250milliwatts to rated output 0 dB 0 775V STEREO POTïER AMPTITIE Dynamic power 10Hz 100kHz 8 ohms THD 0 02 Total harmonic distortion Continued on Page2 Item Condition Deta ContinuousRMS poweroulPut bothchannels driven simultaneouslY 4 ohms 20Hz 20kHz THD0 0...

Page 2: ...UK model AC 120V 60Hz 380W 120V 60Hz 9b0VA 120 220 240 V 50 60 Hz StOW 12O 22O 24O V sO 60Hz 490W SAFETY RE LATEDCOMPONENT WARNINGI COMPONENTS IDENTIFIEDBY SHADINGAND MARK 7 oru rxe scHEMATtc DIAGRAMs AND tN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSEPART NUMBERSAPPEARAS SHOWNIN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY ATTENTIONAU COMPOSANT A...

Page 3: ... Pege I 2 5 4 5 9 l l t2 l7 2l 5 ELECTRICAL PARTSLIST 25 Troubleshooting Guide 30 SAFETYCHECK OUT After correcting the original service problem perform the following safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakagefrom any...

Page 4: ...to thesejacks Whenthesejacksareused thesound leveliscontrolled bytheattenuator on theconnected preamplifier VARIABLEinputjacks A CDplayer etc canbedirectly connected to thesejacksto enjoythedigitalsound Inthiscase theLEFTandRIGHTATTENUATORS onthefrontpanelcontrolthesoundlevel RK C3O5ES toRoutput Stereocontrolamolifier Right speaker to L outputs RK CæsES o D o OO O v o Q Left soeaker 4 ...

Page 5: ...uitisactivated Innormaloperating conditions thisdoesnotlight lf it lightsup speaker soundis notheard whileoperating an abnormalityhasoccurred Inthis case disconnectthe AC powercordandcheckthe conneçtedcomponents andspeakersystems E STEREO indicator LightsupwhenOPERATTON issetto STEREO anda stereoprogramis played El MONOindicator LightsupwhenOPERATION is setto MONOanda monauralprogramis played El I...

Page 6: ...7ES sEcTloN1 DISA SEMBLY lrlota Followthe disassembly procedure in the numerical ordergiven TOPPLATEAND ORNAMENTAL SIDEPLATE R REMOVAL flat head rew M 3 x 8 ornatnental screw ê x 25 FRONT PANEL REMOVAL ùN 6 ...

Page 7: ...ES MAIN A BOARD OPEN B a x 8 4pcs ioint 1 Qa vsx o J main A bærd evrrs 6 pcs ELECT CAPACITORASSY C501 503 REMOVAL Q Remove the top ptate e page 6 bonmt ptatc 6 BWP3x to zPTPs eo BVTHI x 10 tapping rew M3 x 20 ...

Page 8: ...e the nvlon rivet When assembling set the board into groove of the PC board retainer r I PC board rctainer II CË CIRCUIT BOARDS LOCATION l i aeP G AEP uK E model I AC board main lB board main A bærd tnnsisar R bærd LED 8 bærd transistor L bærd meter B bærd SW input board LED A b rd ...

Page 9: ... 0 25 dc renge speakerdttput F r terminals lf f I Hl l t Adjust RT40l L H and 0 V reading on the VOM RT 451 R H for nT40 L CH BT45I R CH BiasGurrentAdjustment Setting OPERATION switch Input signal Procedure STEREO No signalinput Adjust RT302 L CH and RT352 R CH so that VOM readings of Tp A L CH Tp B R_CH become l5 mV AdjustmentLocation main A boardandprotectorboard voM _ R CH_ 0 25 V dc renge RT35...

Page 10: ...t levelfor 8 9V readingon the VOM 2 Adjust RT70l L CH and RT751 R CH so that the POWER WATTS 8 O meterindicates l0 W Adjustment Location protector board TA N77ES 3 1 2SA955 a ï r bc2 2SA 2SA1383 2SC3514 2SD1585 L N N l B è e 2SC634SP ilr l ï 2SA1306A És ht l a 2SA1360 0 2SC3423 tu ïilf u 2541492 2SC3856 Â l r IM JJilll t J E 10 ...

Page 11: ...oS D r l æ onr Xllf hofr K an cathda SEL2213C D sEL2513E H ul t lOE2N 1SS132 H26C2L HZ11B2L HZ36 2L v I g Y ll t 2SC3298A G I tl ryr cTU 22S rq Ï fil I 2sK244 N N Gr sualc2 D S 32 D2NC 25K246cR2 fltl m l s c r cTU32S A lf r l 1 rPC1237HA ltryTlÏrt r1l sv o4 h ç ilr 11 ...

Page 12: ...0304 0305 o306 o307 o308 0309 o310 H 24 t 24 G 21 G 21 G 22 r 19 t 19 G 20 H 21 G 20 r 19 r 19 G 27 G 27 G 26 t 29 t 29 G 28 H 27 G 28 t 29 t 29 c za e 22 Ê 24 E 28 E 21 E 21 D 31 D 9 D 9 H 10 c 3 c4 B 3 B4 c l 1 c 10 B 1 1 B 10 H 3 K K 7 K 9 K 6 K J 14 K t0 B 17 c 17 B B 6 c 10 H 23 H 23 H 22 H 23 G 22 H 20 l 22 H 22 H 21 H 20 o311 o312 o313 o351 o352 o3s3 o354 03s5 o356 o357 o358 o359 o360 0361 ...

Page 13: ... l uqo2o3 4 5o6 BlÀ ô J o 02 ô3 04 o5d6 o7 o8 S W I N P U T B O A R D F I c t e a o z a l É t T i l É t 1 t ffi l i l rro ou t i I y iA_H1tffitl il Lî ILED B BOARD IMETER L BOARD fi g T CIPTæ mwT dffil l ErrrFrl jFffiaaTroil z1t zlr r ri rt5h L oJ L ôJ D8ô6 D805 ...

Page 14: ...ISPEAKER TMBOARDI wHt CNJ O 5 Y a 1 Ëe E 7 I À 9 À J l c 0 a s c 8 Â a IINPUT BOARDI IMETER R BOARDI L tbri s î lwær lLdli ît l lt E D l P l r i l _ lx0 01 ...

Page 15: ...19 20 21 22 23 24 25 rMAtN B IBOARD ffiffi ë H Ë ç yïld i ry IJiH l F I t tI î E i l l rart æ n H 1 1 llt J l l r _ Â 4 A t i I _t Éo _l 0502 il l 15 ...

Page 16: ... R 4 8 0 r r R459 r r R458 1 è B Vï t À 9 1 1 Â B c D E R47 æ r li Jf tEffi È 4 ÊÆ TRANSISTOR R I BOARD I 25F O cHAssrsl ACB0ARDI IACBOARDI 0361 h ôJi ôl T d lo35z I IËWt oÊ ffihtfr H l 1î JT 5 __ _ ___ _6 16 I 33134 ...

Page 17: ... 0308 3r0 t0E2 0303 0304 l0E2 HZ6C3L c309 47 c359 TVOLUME BOARD I Q354254955 CURRENT MIRROR ryri 0359 SELr2l0 c360 47 63V c0 tsTA u5J3 H Z I I L q35l e 2SK244 D FFERNTlÂL 03612 CONSIANl TMAIN AIBOARDI 0305 HZIIL Y 03il 312 HZ3AIL R326 l M t 2 w 2SC35l4 CONSTAilT CURRÊNT Iorrr rrz I HZ3All I I INPUT BOAF IOI I TLED N BOARDI t _l DB T rliri urtor I sEL22los __J ô 7 R8l4 J tor s802 IiïFu1 Ftx t0 I VA...

Page 18: ... I 0fl r RÏ6qEI A tÂc ec 0702 0703 zSCt84t 2SA988 OVÊR LOAD DEl cm7 r3 arNÀDraN M0tEr l0 50v A t f l 6A E l i l n z r r r r R 7 l 6 F MooEL tisr o7o2i 3ll Q752 Q753 zSCt84r 2SA988 OVER LOAO DET ù l alNÀa ii M E r c1i7 Enzrc i Jx 1 3lr I R 6t 7 R756 5 6 1 ô 7 5 2 r 3 3 t M i a I It 0 47 l2Wl US CANÂÙlAN l 0ÛtL 0 33 2ïJ AtP 6 ÂEq JK E M0ûEt l Q455 457 459 Q45614s8r46o 2SC3856 2SAl492 I I I I I I I I...

Page 19: ...D 22ll TM9O2 lsPrtKrÊ Bl z o o o o s803 2 T _ I I I I I Q803 2SAt048 R LAY DRIVE lC703 rPC1237HA PROTECTOR tou I j â rt3oo tc70tTA73l8P M I T E R O R I V T METER L BOARDI I _ J or I I a l ll l I I 41 I OFISET 0 T D60l tsst32 s l lTotv Rl J iANADIA IV1C J T I PoyJÉn rtlTERilÂL coffiEcÎrôil A l20v ATP CAÈF UK ETOOTI SELECÎOR POSSIOfl ZT i N9 1 ___ 1 ...

Page 20: ...nonflammabte resistor l fusible resistor o signal Path B b u s a r B bus r f__ l adiustment for rePair Voltage variations may be noted due to normal procluc tion tolerances r Readings are taken under no signal conditions with a VOM 50 ko V o Switch Rs No Switch Porition s1 s2 s101 s801 s802 s803 POWER VOLTAGE SELECTOR AEP G AEP UK E MODEL OPERATION METER INPUT SPEAKER O F F STEREO OFF F I X I D A ...

Page 21: ...4 921 414 01 4 908 856 01 4 864 307 n 4 916 745 01 4 916 745 1 4 916 782 21 4421 428 1 4 88s479 11 x 4921 401 2 x 492t 2 2 14 921 410 0I rf g16 782 41 Descrlptlon Remart s III IDOTI FRilT PAI EL ASSY FROIIT cusHtoil FILTER rilOB SQUARE RI IG Kr 08 DIA 21 K 108 DtA 21 DAI ER PLATE 8OTTO I scREl 4x25 PTÀTE LEFT ASSY SIDE ORIIAICIITAL PTATE RTGHT ASSY SIDE ORI A IEIITAL cusHt0ll DAI ER Prrt l lo Desc...

Page 22: ...34 A 4388 685 A A 4388 686 A 935 A 4388 687 A A 4388 688 A 936 rA 4474 559 A A 4474 560 A Pôrt lo Descrl ptl on Renarts REINFORCEIIEIIT PCB RIYET NYLOI 3 5 scREri Pst 3xl0 scREt PSt 3X12 I1 r Si r f STlll ËP i 1 coRD IITHCoililECToR BASE PoST r4ru r 2P BASE PoST 04r fi 5P 14I IM BASE POST BASE PoST14nt 10ri r PITCH BUSBAR4P PCBOARO TRA ISISTOR L PC8OARD TMNSISTOR R uS Canadlan lrouNTED PCB l lAIN ...

Page 23: ... PCBoARDT LAIP l 623 905 ll PCBoARD Slt INPUT l 623 906 ll PCBoARD Sn SP l 623 913 ll PCBoARD LED  rl 623 903 ll PCBoARD LED 8 l 623 907 ll PCB0AR0 VoLUt E Rema rt s r ir lt lr l l t larii iiii n oroon nts identified 1 orporunrsidentifiés pôr i ii iii by shadingandmarkI are I une trameet unemarque  sont ii iii critica l for safety I critiques pour la sécurité iii iij Replace only with part I Ne ...

Page 24: ... S Qr E 0w FqËr US Êrnadlrn m0É PthER Renar s Remart l5l x 4885 922 1 152 4 921 441 0r 153 4 921 441 11 r55 4 908 892 01 L57 4 908 881 01 158 4 876 607 2L 159 4 916 783 0r 160 4 921 429 01 4 921 429 LL 16l 4 921 416 01 16 4 843 416 0 163 2 259 L2l ll 164 7 683 333 07 165 7 685 650 79 166 7 682 547 09 167 t 685447 79 168 7 685 646 79 u0 7482 547 æ 171 4 843 416 ll r9 Sri 1 n f 0 iii n oroon nts ide...

Page 25: ...533 183 11 r 533 185 1 r 909 l 535 135 00 910 1 535 136 00 911 1 535 137 00 9L I 560 242 2I 914 1 562 249 00 1 562 250 00 r1 562 25 l 00 l 562 327 00 r1 562 3 28 00 1 623 908 11 r1 623 905 1 I 92t t 623 906 11 922 9 3 l 6 23 913 l I l 6 23 903 11 l 623 907 l I 9 7 11 623 909 11 928 l 623 902 11 929 l 623 911 u l 623 910 1 I v J 3 1 623 912 11 1 623 902 tI rA fi88 685 A A 4388 686 A A 4388 687 A A ...

Page 26: ...G CONNECTOR 5P CONNECTOR CONNECTOR P 5P i iillliii jliili lrri iiiiililiTii iii r jii iiiiilifiiii IË r ts identir ied I L to po nts ioentiriéspar iii ii l ii l 1 1 i i  I li l i i i T T tn ii fi ffifiHï illi illl o li riîiïilrffi oi iiln jii i ttlt llt lit iitii tliii illi iliiit iil ili iii iiii iir il i u ui ttuo ttt ti r r itii iiii r iii r iii iri iii riil ri iii ELECTRICAL PARTS Ref lo Part...

Page 27: ...R 2SC3856 TRAIISISToR 2SA1492 TRANSISTOR 2SC3856 TRANSISTOR 2SAI492 TRANSISTOR zSDI585 L 27 TA N77ES ELECTRICAL PARTS Ref llo Part ilo 8 729 108 O5 8 729 108 14 8 729 108 5 8 729 108 14 8 729 L07 25 8 729 t07 25 8 729 20L 56 8 729 108 05 8 729 108 l4 8 729 108 05 Q702 q7ts Q704 Q705 Q706 Q707 Q708 Q7s2 Q7 53 Q7s4 Descrlptlon TMNSISTOR 2SC184l PA TRANSISTOR 2SA988 F US Canadlan TRANSISTOR zSAtB4t p...

Page 28: ...F F F F iiliiiliiiiii rlriiiiiilltilji l Tii in oroo ntsidentifiedi Le otpos nts identifiéspar ii ii l ii l l i l i f  I i l lË il l i l lÏi tnl i iiîrnï 1 illl 0 fii iî iÊ illill oi iiln iï I sPécifié Ii ii i r lili r inriii tttliri it tiiitiiiitiii liiiriiii iiii 28 ELECTRTCAL PARTS Ref No Part No DescriPtion R461 1 2ti 152 00 AEP G AEP UK E METAL PLATE 0 33 R461 1 217 153 00 US Canadlôn R462 1...

Page 29: ...39K 330 1 8 1 8K 3 9K 1 4fl t 4u Ll4v r F F F R808 R809 R8l0 l 216 434 lt TAL 0xIDE l 216 434 u IGTAL 0xI0E l 216 436 00 ilETAL 0XIDE l 249 465 ll cARBoN t 247 725 Lt CARB0N L 247 721 tt cARBoN TA N77ES ELECTRICAL PARTS 5 c l F 5t lt F 5C 1l F 5 z l r F 5C L 4Y sc Llzv 5X 5t F 5r vzv 5t 5t F R8tI R8l2 R813 R8l4 R81 5 R90t R902 R95l R952 Ref No Part ilo l 216 433 00 1 215 868 00 l 215 868 00 1 216 ...

Page 30: ...nsu tyournearest Sonydea er Checkthesettingof theSPEAKERS selector Checkthesettingof the INPUT selector oCheckthesettingof the ATTENUATORs if theVARIABLE inPut Faultysetting SettheOPERATION selector correctly Monaural soundis heardeventhough a stereoProgramis Played Sony CorPoration English 87 10598 1 Printed in Japan o 1 9 8 7 9 9 952 913 11 Audio GrouP ...

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