Casio_AT-3_Service_Manual电路图.pdf

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1、AT-3 NOV. 2010 ELECTRONIC KEYBOARD AT-3 RadioFans.CN 收音机爱 好者资料库 INDEX CONTENTS SPECIFICATIONS . 1 BLOCK AND WIRING DIAGRAM . 3 PCB INFORMATION . 4 CIRCUIT DESCRIPTION . 5 PRINTED CIRCUIT BOARDS . 7 EXPLODED VIEW . 13 PARTS LIST . 14 SCHEMATIC DIAGRAMS . 19 AT-3 RadioFans.CN 收音机爱 好者资料库 AT-3 1 SPECIFI

2、CATIONS Keyboard 61 standard-size keys Touch Response 2 types, Off Maximum Polyphony 64 notes (32 for certain tones) Tones Built-in Tones 800 User Tones Up to 100 (Tone Editor) Functions Layer, Split Reverb 1 to 10, Off Chorus 1 to 5 DSP Preset DSP 100 User DSP Up to 100 Oriental Scale Scale Fine Tu

3、ne 99 cents Preset Scales 17 Scale Memory 4 Metronome Beats per Measure 0, 2 to 6 Tempo Range 30 to 255 Auto Accompaniment Built-in Rhythms 250 User Rhythms Up to 100 (Pattern Sequencer) Demo Songs 5 songs Registration 96 (6 setups 16 banks) Song Sequencer Real-time recording, playback Punch-in reco

4、rding Keyboard Play 5 songs, 17 tracks Memory Capacity Approximately 30,000 notes (total for 5 songs) Audio Recording and Playback Functions Requirement An SD or SDHC memory card, 2 GB to 32 GB Recording Recording of keyboard play, song sequencer song playback, sound input from MIC IN jack and INST

5、IN jack Up to 5 audio files (maximum recording time: approximately 13 minutes for a single audio file) Playback Up to 999 files (including files used for recording) Mixer 32 parts (A01-A16/B01-B16) Master parameters, DSP parameters, Part parameters, MIC/INST parameters RadioFans.CN 收音机爱 好者资料库 AT-3 2

6、 Other Functions Transpose 1 octaves (-12 to +12 semitones) Octave Shift UPPER 1/UPPER 2/LOWER 2 octaves Tuning A4 = 415.5 - 440.0 - 465.9 Hz Music Preset 305 built-in, plus 100 user presets One Touch Preset 250 Auto Harmonize 12 types Arpeggiator 150 types MIDI 16 multi-timbre received, GM Level 1

7、standard Pitch Bend Wheel Pitch Bend Range 0 to 12 semitones Memory Cards Supported Memory Cards SD or SDHC memory cards, 2 GB to 32 GB Functions SMF playback, file storage, file recall, file delete, card format Inputs/Outputs USB port TYPE B Sustain/Assignable jack Standard jack (sustain, sostenuto

8、, soft, start/stop) Phones jack Stereo standard jack Line Out R, L/MONO jacks Standard jack 2 Output Impedance: 2.3 k, Output Voltage: 1.5 V (RMS) MAX Audio In jack Stereo mini jack Input Impedance: 9 k, Input Sensitivity: 200 mV Inst In Jack Standard jack Input Impedance: 9 k, Input Sensitivity: 20

9、0 mV Mic In jack Standard jack (connect a dynamic microphone only) Input Impedance: 3 k, Input Sensitivity: 10 mV Power Jack 12 V DC Power Supply 2-way Batteries 6 D-size zinc-carbon batteries or alkaline batteries Battery Life Approximately 4 hours continuous operation on alkaline batteries AC Adap

10、tor AD-A12150LW Auto Power Off Approximately 6 minutes after last key operation during battery use, approximately 4 hours after last key operation during AC adaptor use. Auto Power Off can be disabled. Speakers 12 cm 2 + 3 cm 2 (Output: 7.0 W + 7.0 W) Power Consumption 12 V 18 W Dimensions 94.5 37.8

11、 13.2 cm (37 1/4 14 7/8 5 3/16 inch) Weight Approximately 6.8 kg (15.0 lbs) (without batteries) AT-3 3 BLOCK AND WIRING DIAGRAM KC5KC7, FI4FI7, SI4SI7 LOUT,ROUT PEDAL,ADIN, MUTE,BEND, AUDIOIN, SPMUTE KC0KC4, FI0FI3, SI0SI3 MD0 MD15 MD0 MD15 MA1 MA18 MA1MA23 MD0 MD15 MA1MA23 Filter IC5 MPU IC7 SRAM (

12、4 Mbit) IC9 Flash Memory (128 Mbit) IC11 P2ROM (128 Mbit) IC1 Filter IC101 Filter IC105 VA9 VCP VA5 VD5 VA3 VD3 VC Power Supply Circuit Q6,Q8,Q11, IC4,D20 VA5,VCP,VD5 KEYBOARD PCB (M802-KYA1)KEYBOARD PCB (M802-KYA2) Filter IC104 LCD DRIVER IC2 BUTTON/LCD CONTROLLER IC1 Power Amplifiers IC1 Headphone

13、 Amplifiers IC3 VDP3VD3 VD5 Filter IC103 Filter IC106 CN13(3pin) CN2(3pin) Power Supply Circuit IC2,IC6 Filter IC106 INST IN (J9) PEDAL (J7)12 V DC IN (J4) MIC IN (J3)AUDIO IN (J5) DIAL MAIN PCB (M830-MDA1) PITCH BEND SPEAKER(R)SPEAKER(L) BUZZER(L)BUZZER(R) PHONES (J6) LINE OUT L/MONO (J1) LINE OUT

14、R (J2) MAIN VOL MIC VOL BUTTONS POWER SW SPEAKER PCB (M830-CNA7) CN1 CN2 CN3 CN4 CN20 CN19 CN6 CN5 CN5CN6 SPEAKER PCB (M830-CNA6) SUB PCB (M830-LCA1) CONSOLE PCB (M830-CNA2) CONSOLE PCB (M831-CNB1) VOLUME PCB (M830-PSA2) CONSOLE PCB (M832-CNC1) BACKLIGHT PCB (M830-CNA3) CN5 CN6 CN3 CN4 CN103(16pin)

15、CN201(16pin)CN202(10pin) CN701(10pin)CN702(9pin) CN107(9pin) CN203(2pin) CN104(14pin) CN12(5pin) CN1(5pin) CN106(7pin) CN302(7pin)CN301(10pin) CN105(7pin)CN102(10pin) CN1(18pin) CN21(18pin) CN1CN2 LCD CN801(13pin) CN2(13pin)CN3(11pin) CN802(10pin)CN803(10pin)CN804(11pin) CN7(4pin) CN10(8pin) CN23(2p

16、in)CN7(3pin) CN501(2pin) CN10(8pin) CN2(2pin)CN5(7pin)CN7(14pin)CN6(15pin) CN101(15pin) CN1(3pin) CN9(3pin) CN401(3pin) CN1(3pin) CN12(12pin) SD CARDUSB CN18CN22 CN3CN4 ORIENTAL SCALE BUTTONS MODULATION PCB (M830-CNA4) CONSOLE PCB (M830-CNA1) POWER AMP PCB (M830-PSA1) DIAL PCB (M830-PSA3) BUTTONS BU

17、TTONS AT-3 4 PCB INFORMATION M830-CNA2 M831-CNB1 M830-CNA6 M830-CNA7 M802-KYA2 M832-CNC1 M830-CNA4 M802-KYA1 M830-MDA1 M830-PSA3 M830-LCA1M830-CNA3 M830-CNA1 M830-PSA1 M830-PSA2 Classifi cationParts NamePCB NameComponents Main PCBPCB UNIT / MAINM830-MDA1 MPU, Power Supply Circuit, SRAM (4 Mbit) Fras

18、h Memory (128 Mbit), P2ROM (128 Mbit), Key Controller, SD Card Slot, USB Port Power Amp PCBPCB UNIT / POWER AMP M830-PSA1 Power Supply Circuit, Headphone Amplifi ers, Power Amplifi ers, PHONES Jack, LINE OUT R, L/MONO Jacks, DC 12 V IN Jack, SUSTAIN/ASSIGNABLE Jack, AUDIO IN Jack, MIC IN Jack, INST

19、IN Jack Sub PCB BACK LIGHT ASSY M830-LCA1LCD, Button/LCD Controller, LCD Driver Backlight PCBM830-CNA3LCD Backlight Console PCB PCB UNIT / CNA1 M830-CNA1 Buttons M832-CNC1 PCB UNIT / CNA2M830-CNA2 PCB UNIT / CNB1M831-CNB1 Modulation PCBPCB UNIT / CNA4M830-CNA4Modulation Volume PCBPCB UNIT / PSA2M830

20、-PSA2Main Volume, Mic Volume Dial PCBPCB UNIT / PSA3M830-PSA3Dial Speaker PCB PCB / CNA6M830-CNA6 Speaker, Buzzer PCB / CNA7M830-CNA7 Keyboard PCBPCB UNIT / KYA M802-KYA1 Keyboard M802-KYA2 AT-3 5 CIRCUIT DESCRIPTION KEY MATRIX KC0KC1KC2KC3KC4KC5KC6KC7 FI0C2C2#D2D2#E2F2F2#G2 SI0C2C2#D2D2#E2F2F2#G2 F

21、I1G2#A2A2#B2C3C3#D3D3# SI1G2#A2A2#B2C3C3#D3D3# FI2E3F3F3#G3G3#A3A3#B3 SI2E3F3F3#G3G3#A3A3#B3 FI3C4C4#D4D4#E4F4F4#G4 SI3C4C4#D4D4#E4F4F4#G4 FI4G4#A4A4#B4C5C5#D5D5# SI4G4#A4A4#B4C5C5#D5D5# FI5E5F5F5#G5G5#A5A5#B5 SI5E5F5F5#G5G5#A5A5#B5 FI6C6C6#D6D6#E6F6F6#G6 SI6C6C6#D6D6#E6F6F6#G6 FI7G6#A6A6#B6C7 SI7G6

22、#A6A6#B6C7 Each key has two contacts, the first contact and second contact . Key Second contact First contact FI KC SI NOMENCLATURE OF KEYS C2C3C4C5C6C7 AT-3 6 BUTTON MATRIX KC0KC1KC2KC3KC4KC5KC6KC7KC8KC9 KI0 ACCOMP ON/OFF, $CHORDS, PART SELECT, DEMO VARIATION/ FILL-IN, dFF NORMAL/ FILL-IN, sREW STO

23、RE, #MENU MIXER, #EFFECT AUDIO PLAY RECORD 4 (ORIENTAL SCALE) KEY F#KEY G KI1 SYNCHRO/ ENDING, PAUSE START/ STOP, PLAY/STOP, DEMO INTRO, REPEAT BANK, DELETE SONG SEQUENCER, #EDIT CARD, # LOAD/SAVE AUDIO RECORD 3 (ORIENTAL SCALE) KEY FKEY E KI2 TONE EDITOR, #SCALE 6ENTERyi F BRASS/ REED/PIPE 2 (ORIEN

24、TAL SCALE) KEY BbKEY Ab KI35 4, STEP PATTERN SEQUENCER, #EDIT uEXIT E STRINGS, REST t 1 (ORIENTAL SCALE) KEY BKEY A KI4 F USER RHYTHMS C LATIN/ WORLD TEMPO q, #TAP LAYER, $OCTAVE L USER TONES K GM/DRUMS, . D GUITAR/ BASS, KEY DKEY C KI5TEMPO w E PIANO RHYTHMS, ONE TOUCH PRESET B JAZZ/ EUROPEAN YES/t

25、/+ I SYNTH, 8 J OTHERS, , C ORGAN, 2 KEY EbKEY C# KI6 D ARABIC/ ORIENTAL, MUSIC PRESET A POPS/ ROCK/ DANCE METRONOME, $BEAT SPLIT H ORIENTAL, 7 NO/y/ B E. PIANO, 1 STORE (ORIENTAL SCALE) KI7 3, QUANTIZE 2, COPY 1, INSERT AUTO HARMONIZE/ ARPEGGIATOR, $TYPE FUNCTION G ARABIC, 6 A PIANO, 5 AT-3 7 PRINT

26、ED CIRCUIT BOARDS Main PCB: M830-MDA1Power Amp PCB: M830-PSA1 AT-3 8 Sub PCB: M830-LCA1Console PCB: M830-CNA1 AT-3 9 Console PCB: M831-CNB1Console PCB: M830-CNA2 AT-3 10 Console PCB: M832-CNC1 Backlight PCB: M830-CNA3Modulation PCB: M830-CNA4 AT-3 11 Volume PCB M830-PSA2 Dial PCB: M830-PSA3 Speaker

27、PCB: M830-CNA6 Speaker PCB: M830-CNA7 AT-3 12 Keyboard PCB: M802-KYA1 Keyboard PCB: M802-KYA2 AT-3 13 EXPLODED VIEW 1 3 17 58 56 68 66 60 61 60 61 66 62 62 73 72 84 82 84 82 71 69 73 77 81 74 70 85 80 79 78 75 76 81 57 55 59 59 68 67 6654 23 19 21 22 20 11 47 32 33 53 83 12 31 34 35 42 37 51 38 40 4

28、5 3936 24 25 26 28 30 26 27 29 25 48 41 16 52 46 27 6 7 8 10 5 9 4 2 18 63 65 64 66 63 64 65 68 68 67 66 67 49 50 44 13 43 14 15 14 Notes: 1. Pricesandspecificationsaresubjecttochange withoutpriornotice. 2. Refertothelatest“PartsPriceCode”at “PARTSFINDER”ontheCasioServiceWEBsite (). 3. Asforsparepar

29、tsorderandsupply,referto the“GUIDEBOOKforSparepartsSupply”, publishedseparately. 4. Thenumbersinitemcolumncorrespondto thesamenumbersindrawing. PARTS LIST AT-3 AT-3 15 AT-3_DI1: AT-3_EU2: AT-3_UK3: AT-3_US4: 1234 MAIN PCB N110380345 PCB UNIT / MAINTK-RJM510786*0011111AMDA1 PCB CN710236624 CONNECTOR

30、/ USBUBR24-4K5G001111CUSB PORT CN1210375067 CONNECTOR / SD CARDSDK9BNSK13GNTBLFS41111XSD CARD SLOT D1-D510276977 DIODEL1SS400T1G5555X D8-D1010346940 DIODENNCD6.8RL-T1-AT3333X IC510211950 ICNJM2068M-D(TE1)1111X IC1210226394 ICTC74VHC08FT(EL.K)1111X IC410197809 ICTC7WH123FU(TE12L.F1111X IC610375074 IC

31、XC6404FY52PR-G1111X IC210375075 ICXC6701D332PR-G1111X IC910256784 LSI / MEMORYCY62146EV30LL45ZST1111C IC110371415 LSI / MEMORYMR27T12802L16ATA3A1111C IC1110371417 LSI / MEMORYS29PL127J60TFI130H1111C L1110193074 COILDLW21HN181SQ2L1111X Q210375028 TRANSISTORKTA1532U-RTK/P1111X Q310202670 TRANSISTORKTA

32、2014-GR-RTK/P1111X Q110207675 TRANSISTORKTC4075-GR-RTK/P1111X X110375016 RESONATOR7V480800061111X POWER AMP PCB 210377464 PCB UNIT / POWER AMPTK-RJM510788*0011111BPSA1 PCB IC410375029 ICLA5756-MDB-E1111C IC110306512 ICTDA72971111X J1,J710206815 JACK / LINE OUT etcJY-6314*01-0302222B LINE OUT L/MONO,

33、 ASSIGNABLE J2,J3,J910206816 JACK / LINE OUT etcJY-6314*01-1303333B LINE OUT R, MIC IN, INST IN J610305218 JACK / PHONEJY-6316B*01-0701111BPHONES J410334294 JACK / DCKM02022ABMP1111ADC J510305131 JACK / AUDIO INST-3529B1111BAUDIO IN L6,L710231919 COILRB53-856396NP2222X L1-L5, L8,L9,L11 10231920 COIL

34、RB53-856397NP8888X L2010232457 COILRII7-860400NP1111X D1,D1010371167 DIODEL1SS355T1G2222X D2,D310308381 DIODELUDZS7.5BT1G2222X D2010210387 DIODERSX101VA-30TR1111X D8,D910294394 DIODESK34A2222X IC310306415 ICBH3547F-E21111X IC101, IC103-IC106 10211950 ICNJM2068M-D(TE1)5555X Q622501176 TRANSISTOR2SA15

35、77T106R1111X Q1,Q4,Q5, Q8,Q11 10207675 TRANSISTORKTC4075-GR-RTK/P5555X Q2,Q310305853 TRANSISTORKTD1304-RTK/P2222X NItemCode No.Parts NameSpecification Qty Price Code RRemarks AT-3 16 AT-3_DI1: AT-3_EU2: AT-3_UK3: AT-3_US4: 1234 NItemCode No.Parts NameSpecification Qty Price Code RRemarks CONSOLE PCB

36、 N310380346 BACK LIGHT ASSYTK-RJM510607*0031111X IC110333225 LSIPD78F1153AGKSGAKAX1111C Q169409403 TRANSISTOR2SA1576AT106R1111X Q2-Q5, Q24-Q26 10178530 TRANSISTOR2SA1873-GR(TE85L.F7777X Q6-Q14, Q18-Q23 22592674 TRANSISTORDTC114YETL15151515X Q15-Q1710209027 TRANSISTORKTC4076-Y-RTK/P3333X D203,D204103

37、08381 DIODELUDZS7.5BT1G2222X 410270485 SPONGE / 8X75M441167-001V012222X 510131094 TOP PIECERJM502565-001V011111X 610250780 FILMRJM507061-001V011111X 710248119 BACK LIGHT PLATERJM506818-001V011111X 810136032 REFLECTORRJM502577-001V021111X 910375069 LEDSLR343WBD2PT32222X 1010048977 FABRIC TAPE / 4X10M

38、440684-21111X 1110377466 PCB UNIT / PSA2TK-RJM510655*0021111CPSA2 PCB VR210304718 VARIABLE RESISTORF-09KH1-CASIO-11111BMIC VOLUME VR110123103 VARIABLE RESISTORRK09K12C0D1B1111BMAIN VOLUME 1210375092 PCB UNIT / PSA3TK-RJM510645*0011111CPSA3 PCB E110174536 ENCODEREC12E24204A21111BENCODER (DIAL) N13103

39、80347 PCB UNIT / CNA1TK-RJM510882*0011111XCNA1, CNC1 PCBs D5,D9-D1210371167 DIODEL1SS355T1G5555XParts of CNA1 PCB D1-D4,D6-D810336974 LED26-21/R17777XParts of CNA1 PCB D2,D4,D6, D8,D9 10371167 DIODEL1SS355T1G5555XParts of CNC1 PCB D11,D14,D17, D20,D23,D26 10301580 DIODELM1MA142WAT1G6666XParts of CNC

40、1 PCB D1,D3,D5,D7, D10,D12,D13, D15,D16,D18, D19,D21,D22, D24,D25,D27 10336974 LED26-21/R116161616XParts of CNC1 PCB N1410380349 PCB UNIT / CNB1TK-RJM510890*0011111XCNB1 PCB D2,D4-D6, D8-D10 10371167 DIODEL1SS355T1G7777X D1,D3,D7, D11-D15 10336974 LED26-21/R18888X N1510380348 PCB UNIT / CNA2TK-RJM51

41、0887*0011111XCNA2 PCB D101-D11210336974 LED26-21/R112121212X 1610377470 PCB UNIT / CNA4TK-RJM510811*0011111XCNA4 PCB KEYBOARD PCB 1710304698 PCB UNIT / KYATK-RJM508618*0011111CKYA PCBs D1-D6110294400 DIODELM1MA142WKT1G61616161X KEYBOARD 1810304687 WHITE KEY / CBTK-RJM507243*0024444A 1910304688 WHITE

42、 KEY / CSTK-RJM507244*0021111B 2010289646 BLACK KEY / 10PRJM506595-005V022222A 2110289647 BLACK KEY / 5PRJM506595-006V021111B 2210269451 RUBBER CONTACT / CBRJM507656-001V014444A 2310270393 RUBBER CONTACT / CSRJM507657-001V011111B AT-3 17 AT-3_DI1: AT-3_EU2: AT-3_UK3: AT-3_US4: 1234 NItemCode No.Part

43、s NameSpecification Qty Price Code RRemarks UPPER CASE UNIT N2410379838 CASE SUB ASSY / UPPERRJM510606*003V011111X N2510379839 SPEAKER COVER / for FULL RANGERJM510710*002V012222X N2610380214 SPEAKER COVER / for TWEETERRJM510711*002V012222X N2710379927 SPEAKER COVER / for PORTRJM510713*002V012222X N2

44、810377487 DISPLAY PLATERJM510597-002V011111X N2910379921 KNOB / ROTARYRJM502503-024V022222C N3010379831 KNOB / DIALRJM510590-002V011111X N3110379832 BEZEL / DIALRJM510591-003V011111X 3210377681 LCDSR012449DN1111X 3310203058 RUBBER CONNECTOR / for LCDRJM505822-001V012222X N3410379820 RUBBER BUTTON /

45、ARJM510571-002V011111X N3510379821 RUBBER BUTTON / BRJM510572-003V011111X N3610379822 RUBBER BUTTON / CRJM510573-002V011111X N3710379823 RUBBER BUTTON / DRJM510574-003V011111X N3810379824 RUBBER BUTTON / ERJM510575-002V011111X N3910379825 RUBBER BUTTON / FRJM510576-002V011111X N4010379826 RUBBER BUT

46、TON / GRJM510577-002V011111X N4110379827 RUBBER BUTTON / HRJM510578-002V011111X N4210379828 RUBBER BUTTON / MRJM510581-002V011111X N4310379829 RUBBER BUTTON / PRJM510583-001V011111X N4410379830 RUBBER BUTTON / QRJM510584-001V011111X N4510379836 RUBBER BUTTON / KRJM510733-002V011111X N4610380350 BEND

47、 WHEEL ASSYTK-RJM507944*0061111X 4727651141 VARIABLE RESISTORRK1631110-50KB1111C 4810375052 BRACKET / for FIREPROOFINGRJM510598-001V011111X 4910375037 ADDITIONAL BOSSRJM510564-001V011111X 5010214402 SPONGE / 20X60RJM506161-001V012222X 5110305236 FABRIC TAPE / 30X20M411136-0033333X 5210321183 SPONGE / 10X25M440349-001V011111X MAIN CASE UNIT N5310380351 CASE UNIT / MAINTK-RJM510609*0031111X 5410382739 SPEAKER BOX / LEFTRJM510549-002V011111X 5510374016 PCB / CNA7RJM51