Akai AX60 Service Manual Download | Manualshive

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Summary of Contents for AX60

Page 1: ...ABBREVIATIONS FOR THE SERVICE MANUAL ...

Page 2: ...acers Insulating Barriers 4 Insulation sheets for transistors 5 Plastic screws for fixing microswitch especially in turntable When replacing AC primary side components transformers power cords noise blocking capacitors etc wrap ends of wires securely about the terminals before soldering 6 Observe that wires do not contact heat producing parts heatsinks oxide metal film resistors fusible resistors ...

Page 3: ... LOCATION 7 VI ADJUSTMENT 8 1 BALANCE OF 6V ON THE POWER SUPPLY PC BOARD 8 2 OFF SET OF FINAL VCA ON THE VOICE PC BOARD 8 3 BALANCE OF BBD OUTPUT ON THE CHORUS PC BOARD 9 4 OFF SET OF IC6 LF 356 ON THE CPU PC BOARD 9 VII PC BOARD TITLES AND IDENTIFICATION NUMBERS 10 VIII MIDI IMPLEMENTATION CHART 10 This Mannal is FOR INTERNAL USE ONLY and most not be made available to unauthorized personal No par...

Page 4: ...I SPECIFICATIONS MODEL AX60 SERVICE MANUAL ...

Page 5: ...n the photographs Reassemble in reverse order 2 1 HOW TO OPEN THE FRONT PANEL Refer to Fig 2 1 1 Remove 8 screws as shown Fig 2 1 and open the Front Panel as shown Fig 2 3 Fig 2 2 2 3 HOW TO DISMANTLE THE BEND PANEL BLOCK Refer to Fig 2 2 and Fig 2 3 1 Remove 6 screws as shown Fig 2 2 and Fig 2 3 and disconnect the connectors P4 P5 on the CPU PC Board and PI on the OPERATION B PC Board PI P5 P4 P2...

Page 6: ...CY FOLLOW To change the cut off fre quency according to the key played higher or lower note to maintain the same timbre CO MOD To produce musically useful timbre shifts I PF To set a cut off frequency of the high pass filter ARPEGGIO SPEED CONTROL KNOB MASTER LEVEL CONTROL SPUT BALANCE LEVEL CONTROL UNISON MODE SELECT BUTTON and INDICATORS AUTO TUNE BUTTON WHEEL UPPER LOWER SELECT BUTTON and INDIC...

Page 7: ...I I I I I I I 5 S 8 2 S 5 3 5 15 5 S IS S S 5 S S S 2 S g M N ro w l w fPr S SoS 5o S oo wae t5o5i o o Hj ul 0 00 ow0ffl00_owo oo tow SSSS SIS S S So g 8g II III II III ll II III no no oo ico oo i i n m ii in y it in i m in ii mi ii i ii Keyboard Coverage by Frequency Range Setting 32 16 8 4 2 Piano Co Cs C Ce C2 C7 Cj Ca C4 C9 V PRINCIPAL PARTS LOCATION Fig 4 1 CHORUS PCB LIOI2B5O3O OPERATION B P...

Page 8: ...Adjust VRI so that the Voltage Value at Pin Pin GQ are equal or within 0 1V land 6 2 OFF SET OF FINAL VCA ON THE VOICE PC BOARD TP O J piC44 0 TP2 FOFF SET IC42 JiVRS J OFF SET 1 Set the ENVELOPE GENERATOR to VCA mode and set the EG DEPTH Control to maximum posi tion 2 Connect a Digital Voltmeter between TP1 and GND Fig 6 2 VOICE PCB Adjustment Points and adjust VR7 so that the Digital Voltmeter R...

Page 9: ...nerator to Pin I and of connector PI on the CHORUS PC Board and supply 1 kHz Audio Sine wave signal and Adjust output level control of Audio Generator so that the waveform on the oscilloscope is clipped a bit 4 Adjust VR1 so that the Clipping level at upper side and lower side of the waveform are the same clipping level 5 Connect an oscilloscope between TP2 and GND and adjust VR2 as same manner as...

Page 10: ...ARD TITLES AND IDENTIFICATION NUMBERS VIII MIDI IMPLEMENTATION CHART MIDI Implementation Chart Version 1 0 Mode 1 OMNI ON POLY Mode 2 Mode 3 OMNI OFF POLY Mode 4 OMNI ON MONO OMNI OFF MONO Yes no SERVICE MANUAL ...

Page 11: ... 14 6 OPERATION B PC BOARD 14 7 POWER SUPPLY PC BOARD 15 8 FILTER PC BOARD 15 9 PANEL BEND BLOCK 15 10 ASSEMBLY BLOCK 17 11 FINAL ASSEMBLY BLOCK 17 INDEX 18 This Manual is FOR INTERNAL USE ONLY and must not be made available to unauthorized personal No part of this manual may be re produced in any form without permission from AKAI ELECTRIC CO LTD Tokyo Japan PARTS LIST 11 ...

Page 12: ...arts Classification A small x indicates that this part is not shown in the Photo or Illustration This number corresponds with the indi vidual parts index number in that figure This number corresponds with the Figure Number Symbols for primary destination A AAL U S A S SAA Australia B BEAB England U U T Universal Area C CSA Canada VJ VDE W Germany E CEE Europe Y Custom Version J JPN Japan SP Servic...

Page 13: ...01964 A FUSE SEMKO T 1 60A 250V E V S EF 601942 A FUSE SEMKO T 630MA 250V E V S EF 309388 A FUSE TSC A 250V 0 80A J EF 309387 A FUSE TSC A 250V 1 00A J EF 311839 A FUSE TSC A 250V 1 60A J EF 309392 A FUSE TSC 125V 1 25A C A EF 308847 A FUSE TSC 125V 1 60A C A EF 348123 AICM523OL EI 359552 AIC M5236L EI 359626 A IC NJM78M 15A EI 359628 A IC NJM79M 15A EI 355113 ICBA715STD EI 364319 ICCD4051BE EI 36...

Page 14: ...VR1 2 4 VR3 4 RL1 4 R120 to 123 4 C9 4 C24 4 C35 37 4 J3 EI 337228 EI 364308 EI 360228 EI 353227 ICM5218L IC MN30O9 ICMN3101 ICM5216L ET 348302 TR FET 2SK381 C D F05 ET 360067 TR 2SC333O T U F05 ET 353899 TR 2SA1317 S T U ET 352994 TR2SC3401F05 ED 301911 D SILICON H DS448 EV 358829 R S FIX H RH0615CJ4J 3P 223 EV 364321 VR ROTARY 12P10x0D B103 EQ 348929 RELAY SIG G5A 232P 2TR 12V ER 364336 ROMFHS12...

Page 15: ... F10 1 4W 4301G ER 356113 RMFHF10 1 4W 13O2G ER 356259 R MF H F10 1 4W 33O1G ER 341577 RMFHF101 4W7501F ER 305128 R MF H F10 1 4W 15O2F ER 364324 R MF H F10 1 4W 1402G EC 322804 C EC V CUT SM 472M 16 0DC EC 316231 C EC V CUT SM 222M 35 0DC EZ 200473 SILICON RUBBER SHEET TC 30 ZW 632226 WASHER INSULATOR BUSH M ASSEMBLY BLOCK EF 311839 A FUSE TSC A 250V 1 60A J EF 308847 A FUSE TSC 125V 1 60A C A EF...

Page 16: ...ASSEMBLY BLOCK 15 14 I 2 17 SW902 1 i A SW90l 16 PARTS LIST ...

Page 17: ...STL BNI 10 7 BK 364242 KEYBOARD SWITCH ESK 7002 61KEY 10 8 ZS 354230 BID50x08STL BNI 10 9 ZS 201778 PAN40x08STL BNI 10 10 ZW 274026 SW50 10 11 ZW 273914 SW40 10 12 ZW 698308 RV NYL3OxO55 BL 10 13 ZS 411232 BID40xl0STL BNI TRANS POWER FIX 10 14 ZW413267 N FRANGE 40STL CMT TRANS POWER FIX 10 15 ZW 273892 TW40 TRANS POWER FIX 10 l6x ZS 350934 PT BR3OxO8STL BNI E V B S SW90 FIX 10 17 ZS 355511 BID30x0...

Page 18: ...INDEX AX60 PARTS LIST ...

Page 19: ...AX60 PARTS LIST 19 ...

Page 20: ...MEMO 20 ...

Page 21: ...6 CPU PC BOARD 7 VOICE PC BOARD 8 VOICE DIAGRAM 9 OPERATION DIAGRAM 10 OPERATION A B PC BOARD 11 CHORUS DIAGRAM 12 CHORUS PC BOARD 13 LOCATION OF ICs m 3 4 5 6 7 8 9 10 11 12 13 14 This Manual is FOR INTERNAL USE ONLY and most not be made available to unauthorized personal No part of this manual may be re produced in any form without permission from AKAI ELECTRIC CO LTD Tokyo Japan ...

Page 22: ... 14 2SC34OI 2SC3330 2SAI3I7 2SC34OI IC s IC I A I IC2 A I IC3 A2 IC4 83 IC5 83 IC6 A3 IC7 A4 IC8 A3 IC9 A3 ICIO A2 ten 8i ICI2 83 ICI3 82 LOCATION OF COMPONENTS TR s TRI A I TR2 A I TR3 A3 TR4 83 4 TR5 A BI TR6 A4 TR7 A4 TR8 A3 TR9 A 84 TRIO 84 TRII A4 TRI2 84 TRI3 A4 TRI4 B4 TRI5 A4 TRI6 A3 TRI7 A3 4 TRI8 AI CONNECTORS PI Al P3 B4 P5 81 W8 84 W9 84 ...

Page 23: ...81 2 IC24 CI 2 IC2S 01 2 IC26 01 2 IC27 EI 2 IC28 Al 2 IC29 CI 2 IC30 El 2 IC3I A2 3 IC32 82 3 ICS3 C2 3 IC34 02 3 IC33 02 3 IC36 E2 3 IC37 A B3 IC36 C3 IC39 E3 IC40 E4 IC4I 04 IC42 C4 IC43 A B4 IC44 84 IC43 A4 TR t TRI 62 TR2 62 TR3 63 TR4 E FI TR3 Fl TRI4 0 E4 TRI5 E4 CONNECTORS PI 63 4 P3 63 P4 61 2 PS A4 TRANSISTOR VOICE PCB LI0I2A50I0 TRI to 3 2SC3400 TR4 2SC3330 IT UI TR5 14 19 2SC3383ISI 2S...

Page 24: ...TRI 2SC3400 TR2 3 2SC3383 CPU PCB LI0I2A5020 ...

Page 25: ...74HC38 74HC138 74HC139 74LS42 74LS04 74LS05 MN3009 74LS373N TC4066 CEM3394 TC4051 MD62705 MN3101 OUMUBL CTUOPT n n ...

Page 26: ...R 2SC333O TtU WARNING AlNOICATES SAFETY CRITICAL COMPONENTS FOR CONTINUED SAFETY REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURERS RECOMMENDED PARTS AVERTISSEMENT AlL INOIQUE LES COMPOSANTS CRITIQUES OE StCURITl POUR MAINTENIR LE DEGRE DE SECURITY DE L APPAREIL NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT ...

Page 27: ...0 see also AX60 Service Manual for servicing and adjustment O Further technical information will be issued as any arises Keep such information carefully under the name of this file This Manual is TOR INTERNAL USE ONLY and most not be made available to unauthorized personal No part ofthis manual may be re produced in any form without permission from AKAI ELECTRIC CO LTD Tokyo Japan ...

Page 28: ... BEND setting VR is memorized when the unit is turned off when the unit is turned on again after changing the posistion of setting VR the amount of Pitch Bend effect is different from its VR position 5 In SPLIT mode the MIDI channels are set for Upper keys and Lower Keys separately But even after SPLIT mode is released MIDI channels are not caceled thus AX60 accepts 2 MIDI channels Ref No Part No ...

Page 29: ...MODEL AX60 INDEX ...

Page 30: ...B C tX60 OPERATION A PC8 LI0I2A5040 9 J 81 POWER SUPPLY LINE B ...

Page 31: ...OPERATION B PCB LI0I2A5060 NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS Hi OHMS 1 4WU ALL CAPACITORS IN mf SOWVO 2SAI3I7 AX60 OPERATION A B SCHEMATIC DIAGRAM no 5 3 8602 I 4A t H ...

Page 32: ...B AX 60 04 MPUT SELCCT Sj LFOl t 7 CHOWS 0 0FF hj CS8 CSO 100 29 Ml 100 281 Ml a t 3 tSS IT oi ICS MN3J0I C CHORUS PCB LI0I2B5030 IBitJI 8 POWER SUPPLY LINE SIGNAL LINE 2SK38I 2SAI3 17 2SC3330 2SC340I ...

Page 33: ...O VOLTAGES ARE MEASURED AT CHORUS I MOOE a PULSE NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1 4WO ALL CAPACITORS IN F 50WV J mm 2SAI3I7 2SC333O 2SC340I AX60 CHORUS SCHEMATfC DIAGRAM no 5 5 8602 I 6A 8 H ...

Page 34: ...UU ssssasts 1 I JD_ II SAV 1 IVERlfYl iii II h I SAMPLER II m TOCNKt PS 4 OPERATION A PCB H0I2A5040 to cvu pci n cro ret VCF 3 EMVELOPE GENERATOR TRI 2 3 2SAI3I7 II III wffl WM4 1 I g V y M ii j t Z a ...

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Page 36: ......

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Page 38: ...SUSTAIN ARPEGGIO EXT SYNC TAPE OUT ICI4 4 8 I TC74HC32P MEMORY pROTECT CPU PCB L4OI2A5O2O NOTES 2SC3330 2SC2400 UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1 6W J ALL CAPACITORS IN F 50 WV J AX60 CPU SCHEMATIC DIAGRAM no 5 2 860213A H ...

Page 39: ... n o o m o CD o ro en o 71 l 2 3 1 5 ...

Page 40: ...I OWAVE 8ELCCT U CV I Svcp I cv Hvca s cv resonance iu cv Sa b balance ioi cv OfiXT IM ON OFF AkOISE IN ON OFF 1 r r j j j 1 VOICE 2 OUT LoV J 5_J 61 CHORUS PCB L1012B5030 AX60 VOICE a CHORUS BLOCK DIAGRAM no 2 2 8602 MA H ...

Page 41: ...B OPERATION A PCB LI0I2A5040 liS i operation switchedes I I I OPERATION B PCB LI0I2A5060 CPU PCB LI0I2A5020 ...

Page 42: ... 0D p Sen 00OQ TO VOICE PCBP3 TO POWER SUPPLY PCB I TO CHORUS PCBW9 TO VOICE PCB PI I ...

Page 43: ...B CLA L AC III I LINE FILTER PCB L600ID5080 I VOLTAGE SELECTOR VINDICATES SAFETY CRITICAL COMPONENTS FOR CONTINUED SAFETY REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER S RECOMMENDED PARTS NOTE UNLESS OTKERmSE SPECIFIED ALL RESISTORS W OHMS I 6WW ALL CAPACITORS IN pf 50WVU POWER TRANSFORMER IS DIFFERENT ACCORDING TO AREA 2SC3B3O 2SB89I B C ...

Page 44: ...H POWER SUPPLY PCB LI0I2B5050 AX60 CONNECTION DIAGRAM no 5 1 8602I2A H ...

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