Yamaha AX-390 Service Manual Download Page 26 | Manualshive

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Summary of Contents for AX-390

Page 1: ...ization certification or recognition of any applicable technical capabilities or establish a principle agent relationship of any form The data provided is believed to be accurate and applicable to the unit s indicated on the cover The research engineering and service departments of YAMAHA are continually striving to improve YAMAHA products Modifications are therefore inevitable and specifications ...

Page 2: ...eplaced with parts having specifications equal to those originally installed I REAR PANELS V R model V B model V G model WALL OUTLET EQUIPMENT UNDER TEST AC LEAKAGE TESTER OR EQUIVALENT INSULATING TABLE E tr E E IdE E EI E 8 3 38 E ti fll n n ltr ffi tr tr ts EE tsE E 8 8 83 E E E ElI tr 9_ 6 ll a tr 33 3 6 o www hifiengine com ...

Page 3: ...CD etc to SP OUT 30WBO 0 02 Signal to Noise Ratio lHF A Network PHONO MM smV lnput Shorted 82dB CD Shorted CD Driect SW ON OFF 108 102d8 Residual Noise lHF A Network CD Direct SW ON OFF 50 140pV Channel Separation Vol 30d8 PHONO MM lnput Shorted 1kH2 65dB CD etc lkHz lnput 5 1kO Terminated 60dB Tone Control Characteristics BASS BoosVcut t10d8 20H2 Turnover Frequency 350H2 TREBLE BoosVcut 10d8 20kH...

Page 4: ...mV R137 R138 Remove parts in the order as numbered 3 Checking and Parts Replacement of P C B MAIN 1 a Disconnect the power cord from the AC outlet b Remove 3 screws tixing the Speaker terminal and Heat Sink in Fig 2 c Remove 3 screws fixing the Main Unit in Fig 3 d Detach connector terminal C8104 in Fig 3 e Operating checks can be taken by shorting between following test points in Fig 3 Short Poin...

Page 5: ...13 N C I sl0 P20 o 40528 tnout setector t0 so0 P21 o 40524 t1 scxolpzz N C 12 lNT0 P23 13 tNTl P30 REM Remote Control 14 POUTO P31 o rMONl Tape 1 Monitor 15 POUTl P32 o TMON2 Taoe 2 Monitor 16 HOLD P33 HOLD Hold 17 P40 o PLED Power LED 18 P41 n STBY Standby LED t9 TEST TEST u o 20 VSS VSS 21 OSCl OSCl Clock 4MHz No Port vo Name Function 22 osc2 o osc2 Clock 4MHz 23 RES RES Reset lnput 24 P42 25 P4...

Page 6: ... Disconnect the connect the A C power cord power cord lrom the Reconnect the A C power AC ouilet cord and the above wave orms will start CHl I PIN CONNEGTION DIAGRAM a lCs NJM2O68L D LB1 641 TC4053BP TC4052BP 1C66304A o Diodes a Transistors 2SA933S Q R 2SC1740S R S 2SC3330 S T 4 2S41708 S T 2SC44B8 S T 2SA893A D E 2SC1815 Y 2SC1890A D E 2SC2229 O Y 2SC2240 GR BL 2SC2878 A B 2SA1695 O P Y 2SC4466 O...

Page 7: ... Semiconductor Locations P C B OPERAT ON 1 REC I our TAPE 2 L TAPE PB REC T our TAPE 1 L TAPE PB AUX TUNER PHONO iel N0 ocalion tc301 C5 rc 302 AE rc 303 D4 tc 304 D4 tc 305 D3 IU JUb D4 tc 307 F4 IU JUö D P C B OPERATIOI TO MAIN 1 www hifiengine com ...

Page 8: ...BALANCE LOUDNESS oPERATION 4 P C B OPERATION 2 CD DIRECT AMP J 7lE 7 www hifiengine com ...

Page 9: ...ductor Localions SPEAKERS AB o TO MAIN 2 lef No 0cati0n r0401 E2 o 01 trÄ J I t 2 trÄ o 103 F5 o t04 F5 Q 105 F4 o 06 o 07 D5 0 08 E5 o 09 D5 o 1 D5 o 2 E5 o 3 c5 4 E5 o 5 F5 Q b E4 o 7 E4 J u E5 0 I E5 o 121 F5 cJ1 29A D5 o1 29C E o 1304 E5 01 30 F5 o 131 F4 Q 132 F5 o l33 E4 Q 134 F5 o 401 a Q 402 A2 Q 403 c2 o 404 c2 Q 405 D2 o 406 a www hifiengine com ...

Page 10: ... MAIN 1 P C B MAIN 1 FROM POWER TRANSFORMER FROM OPERATION 4 POWER P C B MA N 3 tL_ tt z coäo E I IJ x tl I JJ tL ö b6 J aonty FROM OPERATION 1 www hifiengine com ...

Page 11: ...Foil side y I tr 9 yLq O J model P C B MATN 2 FROM MAIN 1 AC OUTLETS O B model P C B MAIN 2 FROM MAIN 1 E tu t o r l uY e Oa LF ö t E u E o LL EsD lJ a oE o_F ö F E ul E o r h lJ z a o r LF ö F TO AC OUTLET www hifiengine com ...

Page 12: ...r LF ö F O R model P c B MAIN 2 i FROM MAIN 1 AC OUTLETS TO POV ER TRANSFORM ER O G model t l i P c B MA N 2 FROM MAIN 1 O R model 240V 1 2t5 6 220V 2 3t6 7 110V 3 4t7 B 120V 4 5t8 1 AC OUTLETS J 1 1lE l 1 www hifiengine com ...

Page 13: ...2 I 1 7 L a U z o I c III ttt tt tl lr a E_ Y ff L a a Ud B d Q 9ä ö o6 t U z o l o J c ts xgP üpä o tsr O ur c td o 6ia O toA toA r U 21 xo D D uJouJ ro f LHJ LHI FF O I OU z F rcq Dudr Eu v o öqit u J 1ztE 12 www hifiengine com ...

Page 14: ...ltiplexers Demultiplexers 1C304 305 TC4053BP Triple 2 Channel Multiplexer Demultiplexer 1C301 302 307 308 NJM2068L D Dual OP Amp 1C306 L81641 Motor Driver oOther lC 1C401 LC66304A See page 4 i3 l o NN tat NO L O O L 1X lPin 131 1Y lPin 11 1 www hifiengine com ...

Page 15: ...löPERArroNO I www hifiengine com ...

Page 16: ... tt t j _ r r 3 c H i g F r firi ir F ERATIoHtll F ERiroit ril it3 EIX E EE o r 3r4fr_ o iraEß J 3 i 1 i i i l ä t r 1 ä35 ä T fi7 i RC www hifiengine com ...

Page 17: ...9A2 TTZJg 1B t5 0415 HZSt52 Hlz JtSc t6 030 t 304 2SC28781Ä Bl 2S019r5FIS Tl 3 J n B G R 2 x 680 2 F 3 t 2r 680 3 R405 x 100 8406 100K I 5 J40t x 0 6 J402 405 0 x St l08 v vT98540 I sf to7 vG39290 x I t0 I 10 v039 s0 It t2 c306 3i0 I 220P t3 c341 346 x 0 t t4 c348 x l00P l5 RFMÄPKS pÄnTs N l t NN YAPI LECTROLYTTC CAPACTTNN a TÄNTll llM ctpÄnTTna NO MÄPl EFAI IIC CAPÄCITON EFAIlIC TUBUI AN CÄPACTTN...

Page 18: ... r890eft e ffi rsE1 t3äl ffi t I0l l I 49 2xt eä go I 9 ä x 9 1 t rM g a6ed aas Slntuo IAVM rNtod t_Sl1 C iE r 4v r trBilE i NotJ vufdo y lvHSvlo Slrvt tf H3s I www hifiengine com ...

Page 19: ...t r äEr i t i zz ß F t usMOd ä cE r ta ta t Fi F I L o 3 J c H www hifiengine com ...

Page 20: ...n I rg E t EO ll Et 9z tssr s rssI t0lssH lü 90r 20 908 08 e080 et cBESor b0 dE 90rc1 909 tomr II AUPN SIJPd oqurrN b rEC dJuEUOlAt XJPI o I S ä 8 td eEetS e lnlcernueN ie 61Jed sIqee6ueqgJeluI lqlNolJ v8ld0 I ISd g0tts 0 E I B3N0d t I L 90 s goills rotrs Eorrs aldvl IldYl xnY 8 ini na a_ o6E XV www hifiengine com ...

Page 21: ...MriTlNG JCB o F c c o o A 0108 c3330 lS T l I t_ J l 5 E 1 5 www hifiengine com ...

Page 22: ...II 1 Ä l I l ä BYIOI tH24oHrl rl POWER AMP I I I I I I I I I I I I I I I I I I la I www hifiengine com ...

Page 23: ...60 x I o orlF al o orlFml sa cr52 x x o or lnrarol o 0r luärol s3 cll tt6 r rlvrffiol ail16 7 tB 1il16 s a ßt8 a x x 2 2 2 2 s5 Cl a8 0 I lFI4t4t0 oltFrttat0 01 I Yl l663O l 0t Wit653 sG st82 x g x x s7 FtSt x too x x sA c 49 3 6 33 53 3 25 z3o 25 sq t1fl x 100 16 x x st0 c15t x 10 t6 x x st1 0123 x F F o P I x x s12 o7 4 x I I Bso I o E I x x s13 0114 x HZSr2 2 x x s14 J261 o x o o s15 J25l 0 o 0...

Page 24: ... III TSIS E NlII NOEHY tt uor Irvavr SIlivBlS l Ir3n0N03Ir lls uorllvavr nlll lNll d0ud r0d B0lIlYdYS VJll l o H0t Y II 1S d o H0 tI3YdV3 i l1l HJ l sl lud u01I3YaY3 BVlnEnl 3lilvBl3 o H0 Li3Vdv3 3Il YU uvil UN l HOIISVdYJ ilNIVlNY1 a 0lI3vdv3 lI tll0ur3l I BVli ON iIVN SIHYd s Bvi llu vdv www hifiengine com ...

Page 25: ...s6rr3 v L Iüd Nllil4l r ezs azs ErrB3 Z 11I83 __ sls___ snl I r0IE3 e N vh I i t_____ t t0I1 v lr I I l rl r z9 t00I 5EI BSI T r1 äo D9 irIL i I www hifiengine com ...

Page 26: ... I i e q i illh I r s 0 EE3 ts l IE r ol I tl I i r i i I Y Er I r V l zEIn 9r r0 oi o P I ll c r trEilE w t vv l t rvu ev I o c t1v1 t3 H 3 S r www hifiengine com ...

Page 27: ... CUP SCR TERM SCR TR SUPRT PCB SURG PRTCT SW TACT SW LEAF SW LEVEFI SW MICRO SW PUSH SW RT ENC SW RT MTR SW RT SW SLIDE TERM SP TERM WRAP THRMST CHP TR CHP TR DGT TR DGT CHP TRANS TRANS PULS TRANS PWR TUNER AM TUNER FM TUNER PK VR VR IUTR VR SW VR SLIDE VR TRIM C CE M CHP C CE SAFTY C CE TUBLR C CE SMI C EL C MICA C ML FLM C MP C MYLAR C MYLAR ML C PAPER C PLS C POL C POLY C PP C TNTL C TNTL CHP C...

Page 28: ... 390 P C B MAIN A A A A A A A A A A A A A A A A A A Schn Ref PART N0 Descriotion I C140 I crar I u z I cras luu I C14B I cr s I cras I crag I crao I C149 I crso I crsr I crsz I C153 cts4 CI57 C158 c159 c160 c161 ct62 c165 D101 Dl02 D103 D104 D105 D106 D108 D109 D110 Dl1i Dn2 D113 D114 Fl01 F101 F102 F103 FRlO1 FR102 FRl03 FRl04 JK101 JK102 JKIOZ 1101 Ll02 Q101 Q102 Q103 Q104 I vR024000 I vnozaooo ...

Page 29: ... 10KO 1 4W 8200 1W 5600 1lT DH24D2 0llvl GsP 1 DC12V PSEO21A2KP 2 New Parts AX 390 P C B MAIN OPERATION A A A A A A A A A A A A A A A A A A A A A A A A A A A A Schn Ref PART N0 Description S T102 T101 T101 TE1O1 TElO1 CB3Ol CB302 CB303 CB304 CB3O5 CB306 CMOl cM02 c301 c302 c303 c304 c305 c306 c307 c308 c309 c310 c311 c3t2 c313 c314 c315 c316 c3l7 c318 c319 c320 c32t c322 vöLc c324 c325 c326 c327 C...

Page 30: ...0V 2 2uF 50V 10uF 16V 4700uF 5 5V 0 1uF 50V 10uF 16V luF 50V 0 1uF 50V t New Parts AX 390 P C B OPERATION Schm Ref PART N0 Descriotion D301 D302 D303 D304 D305 D306 D401 D402 D403 D404 D405 D406 D407 D408 D409 D410 D411 D4I2 D413 D4l4 D415 IC3O1 IC3O2 IC303 IC304 IC3O5 IC306 rc307 IC3OB IC401 PJ301 PJ3O2 PJ3O3 PJ304 Q301 Q302 Q303 Q304 Q401 8402 Q403 Q404 Q405 Q406 R357 R401 S 3O1 S ry4O1 S 402 Sl...

Page 31: ...01 vG392900 w985400 vR860700 R710500 w43800 vI743900 w744000 try744100 vD827600 R710800 SW TACT S Y PUSH L DTCT VR ilfiR VR VR VR VR RSNR CE PLA E SIffiVAA R PSEOl AzK BG sPS 422 1 A100Ko BzOKO B25KO A100Ko z100Ko 4llklz lfl 25 New Parts AX s90 P C B OPERATION 20 www hifiengine com ...

Page 32: ...I EXPLODED VIEW T Gö c Cul off boss B G only www hifiengine com ...

Page 33: ...N GUIDE BTIITON GUIDE BIITION GU DE BI TION GUIDE r ENS I ENS BUMON GUIDE BLTION GUIDE FLAT CABT E SUB CHASSIS BUTION BTIITON DANPER t ED DANPER tED BIND I EAD SCREW PUSH RI ET HEAT SINK ASS Y SI EET SCREW TRANSISTOR PlY I EAD B TIIE SCREIT P C B ASS Y P C B ASS Y P C B ASS Y P C B ASS Y P C B ASS Y POIER TRANSFORIER POITER IRANSFOR ßR POIIER CORD ASS Y POIWR CORD ASS Y POWER CORD ASS Y POITER COR...

Page 34: ...IIT TÄP SXET BIND HEAD B TITE gXEf BII ID HEAD SSEX PTT HEAD B ITTE SXH PII HEAD B TIIE gXH PIY IIAD SXET Plt IIEAD ITIE Sf ET P IIEAD ITTE SXH BIf IIEAD TIIE stXET GROTßD ImIIilAI BIND IIEN TAPI G SXH PII HEAD B TIIE SXE DAMPER FCB ACCESSMTES RMOIE ffi llnü MANIITTM LID BATIERY m GäIESE No 2lM 3x8 FCRM3 BL 3x8 rcmß Bl 3x6 FCHß BL 3x8 8 FCHß BL 3x15 8 lßCz 4x6 FCilß BL 4x8 10 FCIüß BL 4x8 10 FIHß ...

Page 35: ...OT DATA 1 INPUT PHONO 7A 14 4 POWER 7A 1F 5 INPUT CD 7A 15 b CD PLAY 7A 08 7 CD SKIP I 7A OA 8 CD SKIP I 7A OB I CD DISC SKIP 7A 4F 10 CD PAUSE STOP 7A 09 11 CD SEARCH 7A 0c 12 CD SEARCH 7A OD 13 INPUT TUNER 7A 16 14 TUNER NBICIDIE 7A 12 15 TUNER PRESET 7A 10 16 TUNER PRESET 7A 11 17 INPUTTAPE 1 7A 18 18 TAPE DIR B 7A 40 19 TAPE DECKA B 7A 06 20 TAPE DIR A 7A 07 2 l INPUT TAPE 2 7A 19 22 TAPE 7A 0...

Page 36: ... 8120 180 C2 Hr s 51 80 Hr s 5180 150 ko uras 81 50 Hr s 8150 200 C2 rr s 5200 rr s 5200 180 ko sras 8180 rr s 8180 220 A ar s 5220 arqs 5220 220 ka aus 8220 urss 8220 270 A arqs 5270 arqs 5270 270 ka arqs 8270 ar s B27O 330 e2 ur s 5330 Hr s 5330 300 ko sr s 8300 Hras 8300 390 ur s 5390 ur s 5390 330 ko sr s 8330 Hr s 8330 430 O Hr s 5430 Hr s 5430 390 ko r r rss 8390 Hres 8390 470 A Hrqs 5470 ur...

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