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Akai AM-59, Schematic Diagrams

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Summary of Contents for AM-59

Page 1: ...WWW AUDIODNA SK www audiodna sk ...

Page 2: ... OTHER PC BOARDS 6 5 PRE AMP SYSCON SCHEMATIC DIAGRAM 7 6 POWER AMP SCHEMATIC DIAGRAM 8 7 V AMP AND OTHER PC BOARDS 9 8 POWER SUPPLY SCHEMATIC DIAGRAM 10 9 POWER SUPPLY AND OTHER PC BOARDS 11 10 DAC SCHEMATIC DIAGRAM 12 11 DAC PC BOARD 13 12 INFORMATION OF ICs 14 Use these schematic diagrams and PC boards together with the provided service manual www audiodna sk ...

Page 3: ...www audiodna sk ...

Page 4: ... PCB I 3 1 4_ __ _ ______ o r 1 I I __ _S_ __ IC3 I I I I I I J SYSCON PCB SM5840AP Ls IC4 PCM 9AP J SOHz OSC IC1 2 3 DAC PCB ERR2 7 li7 BCK JN DIGITAL AUDIO INTERFACE RECEIVER JN 8 fs OVER SAMPLING DIGITAL FILTER D A RESET TR7 B E F TONE PCB MODE STEREO i MONO FULL MUTE I I I I I I I I I I fV iRL L 0 1 SV 1 SV 15V 15V mo m11 1 0301 REG 1 1 1 D304 REG ssv ssv TAPE2 1 N E____ CJ 0 i r i i DIGITAL I...

Page 5: ...6VI ______ I I REG I I I I TR I I 1 6 VI 216 217 219 R i J I 12V I ssv ssv I I AM 69 ONLY___ _ IPOWER _s_uPPLv PCB I J J TR102 106 Cl 0 0 c f c J J IC101 J PC1237H OVER LOAD DC ZERO LEVEL DET AC OFF DET T1 MAIN TRANSFORMER K r w l esl R CH i_J r PHONES JACK PCB n 11 EM Ai 11 I I 11 11 LJ SP TERMINAL PCB AC40V 11c O AC40V AC1BV GND AC1BV ACB0V GND ACB0V l T701 L CH AUDIO SIGNAL LINE PHONO L H AUDIO...

Page 6: ... a J P3 I I INP T SEI 5 t j INPUT SEL GP1 F32T I B11 B PH K W3 I INPVT 6 INPUT POS OUT 5 DAC POW r I c seLec 7 7 REC SELECTOR D S2 2 I I INPUT UP a G 1 GP1F3 il DAC PCB S1 3 1 I I INPVT 1 IN Q A2078A501 0 32 K 1 1 I I I I 44 1 K s I I I I 4BK I I Jr D G 2 J ERR2 1 1 I r 1_74_0_7_4_ s_ pr I I EMPH e 1 I I 5 6 1 2 5 V I I f l E 9 1 1 I 2 GND D I G 3 1 0 MCK 10 I I I 3 GND L _ U r r t OT 11 1 1 I POl...

Page 7: ... I FULL MUTE 0 Vl bOwN I o I I I VR DC M I w_ 4 ________ __________VR7Jl ___ _ll r oe I 1 ME PCB o 0 S 6V 7A502G o o GND TONE PCB I I A2077A502E o 0 L CENTER TAP o 0 L r 1 0 0 GND J o o 0 R CENTER TAP bi f O O i L L W20 B _ J_ _ _ _ _Jl R W19 _ f_ _ _ I _N_r 1 N Jl l r _N _ 1 J I µ N _ _ _ _ 1 7 P1B I r N n r N ___ __ c c J 2 o J21 we _ ifT I I N r I P2 I B3B EH A W21 0 z 0 z z f J V AMP PCB A2077...

Page 8: ...E2 TR302 E2 IC302 E F1 TR303 E F2 TR304 E2 WIREs TR305 E F2 W19 E3 TR306 E2 W20 F3 TR307 E F2 WW16 01 2 TR308 E2 WW17 B3 TR309 02 TR310 02 ww wwrermc e i i z 3 G INPUT SW PCB A2077A502C LOUDNESS TONE PCB A2077A502E t 0 0 r C ii 0 m MUTING 20dBl www audiodna sk ...

Page 9: ...AFETY REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER S RECOMMENDED PARTS AVERTISSEMENT IL INDIQUE LES CQMPOSf NTS C_RITIQUES DE SECURITE POUR MAINTENIR LE DEGRE DE SECURITE DE L APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT NOTE PARTS DIFFER DEPENDING ON MODEL NUMBER REFER TO SCHEMATIC DIAGRAMS FOR PERTINENT PARTS INFORMATION 5 www audiodna sk ...

Page 10: ...181 TR104 C2 3 TR182 TR105 C2 3 TR183 TR106 C2 TR184 TR107 C2 TR108 C2 ICs TR151 C3 IC1 TR152 C3 IC101 G F C3 C3 C3 C3 C3 C4 A1 A1 A1 A1 F2 C3 INPUT PCB A2077A502A CONNECTORS J1 F G1 J2 E G3 4 J3 E F1 2 J4 A1 JS E F2 3 J6 E F3 4 JS 81 P1 01 WIREs W9 02 W10 03 WS0 F1 2 E D C REC SELECTOR PCB A2077A5028 CHASSIS G B WARNING AVERTISS NOTE www audiodna sk ...

Page 11: ...FACTURER S RECOMMENDED PARTS AVERTISSEMENT Lt lL INDIQUE LES CQMPOSJINTS CflTIQUES DE SECURITE POUR MAINTENIR LE DEGRE DE SECURITE DE L APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT NOTE PARTS DIFFER DEPENDING ON MODEL NUMBER REFER TO SCHEMATIC DIAGRAMS FOR PERTINENT PARTS INFORMATION 8 SYSCON PCB A2077A503A POWER SW PCB A2077A503B 7 0 www audiodna sk ...

Page 12: ... ECT I A2077A502D I ISOURCE DIRECT I I 2 I ___ I a 1_____ 1 I 7 I _ W 3 R2O1 R2O2 R2O 3 R2O4 R205 R2O6 R2O7 2 2K 1 2K 1120 560 390 470 JS S 6K 2 2K 1 2K 820 5 0 390 470 9 ONLY REC Ol T SELECTOR SW401 SABV1 8 REC OUT SW PCB A2077A50 2 F ______ r 9 ONLY REC OUT SELECTOR JS16 JS15 0 0 lii 0 N 0 0 0 _ REC SELECTOR PCB A2077A502B JS14 I I I I I I I I I I I I D SW 01 SR8V17 REC OUT SW PCB A2077A502F I I...

Page 13: ... Vc__ ilH 1 i lH J I OV ov 1 i 1 1 _ I 1 1 I j P22 A SW CLK tiCK P 2 0 T P2s PROTECT DV PHl51 TRIS1 SPS OT 1 HS i ONLY t j WN15 __ JS16 JS15 0 iii N r 0 N D 0 0 DFFhfl o TAPE1 TAPE2 JS14 SR8V17 OUT SW PCB A2077A502F I INDICATED VOLTAGES HERE MEASURED DVRING iliE FOl L JNG i ES lNPIJT SELECTOR CO REC OVT SELECTOR OFF INPUT NO SIGNAL F I I K T P 1 i W4i l I 4 9V 11 Ttifri REMX EMPH P o o P3 P _R LED...

Page 14: ... E O r Ill 0 0 D102 RBV 02 F IC101 12K 1 7V 2 AMP PCI FRCM PCN ER TRANS E WARNING AND INDICATE SAFETY CRITICAL CCMPONENTS FOR CONTINUED SAFETY REPLACE SAFETY CRITICAL CCMPONENTS ONLY WITH MANUFACTURER S RECct MENDED PARTS AVERTISSMENT ETIIII LS IND IQUENT LES CCMPOSTANTS CRITIQUES DE SECURITE POUR MAINTENIR LE DEGRE DE SECURITE DEL APPAREIL NE REMPLACER QUE DES PIECES RECCMMANDEES PAR LE FABRICANT...

Page 15: ...CAPACITORS IN 1 F WV M AS 1 ET ILS I ND IQUENT LES STANTS CRITIQUES DE SECURITE MAINTENIR LE DEGRE DE SECURITE APPAREIL NE REMPLACER QUE DES S RECCM 1ANDEES PAR LE FABRICANT F G H I 0 r ID 0 Cl 0 0 01 0 R116 4 7 3W l1 1 2 21 H NO rN O r II et o 0 1 r 1 u l 151 2 2 H J K AM 59 AM 69 R11 B R119 R121 56K 62K R122 R168 R169 56K 62K R1 71 R172 Rl102 12s U 524Ul3 r D110 0112 HZ18 3l D1 20 0122 1SS1 31 T...

Page 16: ...2 TR119 TR151 TRANSISTORs TR152 TR101 A2 TR153 TR102 A1 TR158 TR103 A1 TR159 TR108 81 TR160 TR109 C1 TR161 TR110 81 TR162 1i TRl59 1i TRl61 81 A1 A2 E1 2 E2 E2 E2 E1 E1 E1 D1 C D1 D1 C1 D1 I AMP PCB C A2077A501B WIREs W22 C2 W23 C2 W24 82 W25 82 W26 82 W27 82 W29 E1 W31 A1 W32 A1 W33 E1 W34 E1 W37 A2 1i TRIii WARNING 1 IND REPU RECOI AVERTISSEMENT POUR NE RE 1i TRIOS B www audiodna sk ...

Page 17: ...EGRE DE SECURITE DE L APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT THERMO U P C B A2077A501H TRIOS TRIIO B A 2 PRINCIPAL PARTS LOCATION CONNECTORs TR4 F1 P18 C2 TR5 F1 P29 A B1 2 TR6 G1 TR7 F G1 WIREs TR8 G1 W21 A1 TR10 H1 W28 H1 TR51 B2 TR52 B1 ICs TR53 C1 IC1 D1 TR54 B1 TR55 B1 TRANSISTORs TR56 C1 TR1 G2 TR57 C1 TR2 F G1 TR58 C1 TR3 G1 TR60 C D1 tffltr ffl W1Wtr MWW1ZfW7U S...

Page 18: ... I ill iI 1 fF J I I 25 1 0 I 01 N 1 O 03 1 O 03 S Cf 383 4 18 I 1 u r lie 1 1n _ tl ___ R21 3 1 OK C204 I I I I LJl 1 00 3 1 0 FV _ __ 0 I _ Mr J 7 a 11 11 Lll _ _ _ _ 2Ii gi_Q n z n_ 1_s 0 lps __ 1 1 j ii l I z o v I I 3 1 u v I I Cl I I I I 1111 1 ll l l ll A ll a I Ln 3 D C R2O4 l r BK I 25A1208 S Ul I U 2SC3383 C2O2 C 01 f 4 1 1 __ S T C212 C211 4 7 1 0 4 7 100 L 6 C2O7 47 3S 47 35 330 25 R2O...

Page 19: ...CR I TI CAL COMPONENTS FOR CONTINUED SAFETY REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER S RECOvMENDED PARTS AVERTISSMENT Lt_ ET ILS IND IQUENT LES COMPOSTANTS CRITIQUES DE SECURITE POUR MAINTENIR LE DEGRE DE SECURITE DEL APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT B POWER SUPPLY LINE G H NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1 4W J ALL CAPACITOR...

Page 20: ... P36 A1 2 TR216 B2 TR217 B2 WIRE TR218 B2 WB C2 WARNING 1 INDICATES SAFETY CRITICAL COMPONENTS FOR CONTINUED SAFETY REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER S RECOMMENDED PARTS AVERTISSEMENT 1 i lL INDIQUE LES CQMPOSflNTS C RITIQUES DE SECURITE POUR MAINTENIR LE DEGRE DE SECURITE DE L APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT NOTE PARTS DIFFER DEPENDING ON...

Page 21: ... a Jfl0 4 f 4ii 200 IT C i av C1_5 DV TR1 DTC114ES 0 47 5D 47P 50D 470 1 4W GME o 22 SD I Ri23 2 4K1 4W CS 2 2 5 D R124 2 2 Q 7 0 R128 1K 1 4W TAB DTA114ES DV S K 1 4W t R134 3 K 1 4W I TR1D 2SC3383 S T 15 0V DAC PCB A20 78A501 0 t i _ r J _i B PCIWER SIJPPLY LINI DIGITAL SIGNAL LINE L cH AUDIO SIQNAL LINE E INOICATED VOLTAGES WERE MEASURED WHEN NO SIGNAL WAS BEING INPUT FUNCTloN DIGITAL 1 MODE G ...

Page 22: ...OR CONTINUED SAFETY REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER S RECOMMENDED PARTS AVERTISSEMENT 1 i lL INDIQUE LES COMPOSANTS CRITIQUES DE SECURITE POUR MAINTENIR LE DEGRE DE SECURITE DE L APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT 13 www audiodna sk ...

Page 23: ...for VCO 1 16 VCO1 IN I Control voltaae inout for VCO 1 17 VDD1 B Power suooly for VCO 1 18 VCO1OUT 0 VCO 1 output 384fs 19 VSS1 0 V GND 20 C1A External capaciter connection terminal for VCO 1 21 C1B External capaciter connection terminal for VCO 1 22 C2A External capaciter connection terminal for VCO 2 23 C2B External capaciter connection terminal for VCO 2 24 VSS2 0 V GND 25 VCO2OUT 0 VCO 2 outpu...

Page 24: ...FILTER SYSTEM CLOCK TIMING CONTROLOR MODE ATTENETER INTERFACE ATTENETER NUTE CONTROL _J wO 0 0 0 u DIN BCKI INPUT DATA INTERFACE FILTER OPERATION ATTENETION BLOCK VSS VDD I w u 0 lL I 0 w Cl I I z _ 0 15 www audiodna sk ...

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