Casio_AP-38_Service_Manual电路图.pdf

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1、ELECTRONIC KEYBOARD AP-38 SEP. 2002 AP-38 Ver.2 Nov/ 2004 RadioFans.CN 收音机爱好者资料库 INDEX 1 CONTENTS Safety Notice. 1 Specifications . 2 Block Diagram. 3 Diagnostic Program. 4 Disassembly Instructions . 6 Circuit Description. 9 Printed Circuit Boards. 11 Exploded View . 12 Parts List . 15 Schematic Di

2、agrams . 18 SAFETY NOTICE CAUTION! Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the appliance manufacturer.Discard used batteries according to manufacturers instructions. RadioFans.CN 收音机爱好者资料库 2 SPECIFICATIONS GENERAL Models:A

3、P-38/AP-38V Keyboard:88 piano keys (with touch response) Polyphony:64 notes, maximum Tones:16 Layer: Adjustable volume Split: Split point, adjustable volume Digital Effects:Reverb (8 types), Chorus (8 types), Brilliance Demo Tunes: Number of Tunes: 16 Playback: Repeat (all tunes, one tune) Song Memo

4、ry: Operations: Real-time recording, playback Number of Tracks: 2 (Track A, Track B) Capacity: Approximately 8,000 notes (total of 2 tracks) Memory Backup: Built-in lithium battery (Battery Life: Approximately 5 years) Music Library: Number of Tunes: 50 Playback: All song repeat, specific song Part

5、Off: L, R Pedals:Damper, Soft, Sostenuto Other Functions: Metronome: Beat (6 types), Tempo ( = 30 to 255) Touch Select: 3 types, off Transpose: 1 octave (F# to C to F) Tuning: A4 = 440 Hz 50 cents (adjustable) Temperament: 7 types Baroque pitch MIDI:16 multi-timbre receive Input/Output: Headphones:

6、Stereo standard jacks 2 LINE OUT (R, L / MONO): standard jacks 2 Output Impedance; 1.1 K Output Voltage; 1.3 V (RMS) MAX MIDI (OUT) (IN) Speakers: 16 cm 2, 5 cm 2 (Output: 20 W + 20 W) Power Supply:AP-38: 120V AP-38V: 220-240V Power Consumption:AP-38: 60W AP-38V: 60W Dimensions: CELVIANO (without st

7、and): 138.0 47.2 22.2 cm (54 3/8 18 5/8 8 3/4 inch) CELVIANO: 138.0 47.2 83.9 cm (54 3/8 18 5/8 33 1/16 inch) Weight: CELVIANO (without stand): approximately 39.0 kg (86.0 lbs) CELVIANO: approximately 51.0 kg (112.4 lbs) Design and specifications are subject to change without notice. AP-38 has hardw

8、ired power cords. AP-38V has detachable power cords. RadioFans.CN 收音机爱好者资料库 3 BLOCK DIAGRAM FI0 10 SI0 10 CPU uPD703107AGJ148UEN LSI 6 PEDAL MIDI INOUT ROM (4MB) MR27V6402G-0A3TP-3 LSI 2 EA0 15 MA0 21 MD0 15 ED4 19 KC0 7 M-INM-OUTANI0 2 DSP uPD914AGM-3ED LSI 3 RAM (128KB) D442012AGYBB55XMJ1-1 LSI 4

9、 RAM (128KB) D442012AGYBB55XMJH LSI 5 Keyboard Keyboard Controller TC190C020AF LSI 1 CA1 17 CA1 6 CA1 4 3VD0 15 Reset IC RN5VD2BAA IC 12 D/A Converter PCM69BU/2K IC 2 Filter IC 1, IC 5 D0 WCK S00 LR00 CK00 LR01 Mute SYCK1 Power Amp. LM4765T IC403 Main Volume HEADPHONE SPSP SW/LED Controller uPD65881

10、GB (LSI301) LEDsButtons IC 7 IC 8 5VD07 5VD815 3VD0 15 AVCC VDD +15V +5V Power Supply IC401: NJM78M05FA IC402: NJM78M15FA SW400 T401 4 IInitial Setup 1. Connect an AC adaptor. 2. Connect a Sustain pedal. 3. Connect a MIDI cable (In-Out). 4. Main volume: MAX. 5. Turn the BRILLIANCE knob to the center

11、. 6. Have the headphones ready. NOTE: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped. I How to start diagnostic program 1. Press the “POWER” button while pressing the “CHORUS key” and “GRAND PIANO1 key” buttons. 2. Release the “CHORUS” key and the “GRAND PIANO1” key. All the

12、LEDs turn on once. I Diagnostic program 1. RAM/ROM check 1 RAM/ROM check starts automatically after the diagnostic program is booted. 2 A confirmation tone of C4, E4 and G4 sounds after ROM/RAM check normally ends. 2. LED check 1 The following groups of 9 LEDs turn on one after another. GROUP1:REVER

13、B, CHORUS, GRAND PIANO1, GRAND PIANO2, ELEC PIANO1, HARPSICHORD, PIPE ORGAN1, STRINGS1, CHIOR GROUP2:ACOUSTIC BASS, VARIATION, SPLIT, SONG MEMORY, RECORD, TRACK A, TRACK B, MUSIC LIBRARY, METRONOME 2 Press “CONTROL” button. A confirmation tone of C4, E4 and G4 sounds. 3. SLIDER check 1 “PIPE ORGAN1”

14、 LED turns on. 2 Select “MELLOW”. 3 “GRAND PIANO 1” LED turns on. 4 Select “BRIGHT” 5 “VARIATION” LED turns on. 6 Turn the “BRILLIANCE” knob to the center. 7 Press “CONTROL” button. A confirmation tone of C4, E4 and G4 sounds. 4. SWITCH check DIAGNOSTIC PROGRAM 1 Press “CONTROL” button. A confirmati

15、on tone of C4 sounds. 2 Press “CONTROL” button. A confirmation tone of C4 sounds. 3 Press “CONTROL” button. A confirmation tone of C4 sounds. 4 Press “CONTROL” button. A confirmation tone of C4 sounds. 5 Press “CONTROL” button. A confirmation tone of C4 sounds. 6 Press “CONTROL” button. A confirmati

16、on tone of C4 sounds. 7 Press “CONTROL” button. A confirmation tone of C4 sounds. 8 Press “CONTROL” button. A confirmation tone of C4 sounds. 9 Press “CONTROL” button. A confirmation tone of C4 sounds. 0 Press “CONTROL” button. A confirmation tone of C4 sounds. A Press “CONTROL” button. A confirmati

17、on tone of C4 sounds. B Press “CONTROL” button. A confirmation tone of C4 sounds. C Press “CONTROL” button. A confirmation tone of C4 sounds. D Press “CONTROL” button. A confirmation tone of C4 sounds. E Press “CONTROL” button. A confirmation tone of C4 sounds. F Press “CONTROL” button. A confirmati

18、on tone of C4 sounds. G Press “CONTROL” button. A confirmation tone of C4 sounds. H Press “CONTROL” button. A confirmation tone of C4 sounds. I Press “CONTROL” button. A confirmation tone of C4 sounds. J Press “CONTROL” button. A confirmation tone of C4 sounds. A confirmation tone of C4, E4 and G4 s

19、ounds. 5 5. PEDAL check 1 Press “CONTROL” button. A confirmation tone of C4, E4 and G4 sounds. 2 Press “DAMPER” PEDAL. A confirmation tone of C4 sounds. “RECORD” LED turns on. 3 Press “SOSTENUTE” PEDAL. A confirmation tone of E4 sounds. “SONG MEMORY” LED turns on. 4 Press “SOFT” PEDAL. A confirmatio

20、n tone of G4 sounds. “SPLIT” LED turns on. 6. PHONS JACK check 1 Press “CONTROL” button. A confirmation tone of C4, E4 and G4 sounds. 2 “GRAND PIANO 1” LED turns on. 3 Plug the headphones into the left phone jack. 4 “GRAND PIANO 2” LED turns on. 5 Unplug the headphones. 6 “GRAND PIANO 1” LED turns o

21、n. 7 Plug the headphones into the right phone jack. 8 “GRAND PIANO 2” LED turns on. 9 Unplug the headphones. 7. MIDI check 1 Press “CONTROL” button. A confirmation tone of C4, E4 and G4 sounds. 2 Press A4 key. A confirmation tone of C4 sounds. A confirmation tone of C4, E4 and G4 sounds twice. 8. En

22、ding the diagnostic program 1 Press “POWER” button. 2 POWER LED turns off. DIAGNOSTIC PROGRAM IS FINISHED. 6 1. Removal of top board 1-1. Remove 8 screws affixing the top board on the back. 1-2. Slide the top board forward and remove it from the main unit. 2. Removal of keyboard cover 2-1. Lift up t

23、he keyboard cover full open position. 2-2. Unscrew the L-shaped stopper metal located on the inner left corner. 2-3. Lift up the keyboard cover gear from the opening where stopper metal is fixed, then remove the keyboard cover. DISASSEMBLY INSTRUCTIONS Screws 12 7 5. Removal of keyboard unit 5-1. Re

24、move the connectors. 5-2. Remove 24 screws that affix the keyboard unit (16 on the bottom of the case and 8 on the keyboard unit). 5-3. Lift and remove the keyboard unit. 4. Removal of front cover 4-1. Remove 6 screws from the front end of the lower case. 4-2. Lift the front cover and remove the pil

25、ot lamp that is affixed by 2 screws. Then remove the front cover. 3. Removal of console panel 3-1. Remove 2 connectors. 3-2. Lift the console panel and turn it over and remove the power switch, which is affixed by 2 screws. Then remove the side panel. Caution: Be careful not to scratch the side pane

26、ls. Front cover screws Bottom Keyboard screws Keyboard screws Connector Screw ScrewConnectors screws 8 6. Removal of keys 6-1. While plying the side partition plastics with tweezers, lift the edge of the key toward front. 7. Removal of keyboard PCB 7-1. Lay the keyboard so that keyboard PCBs face up

27、ward. 7-2. Remove screws on keyboard PCBs (10 screws on PCBs KY1M and KY3M, 12 screws on KY2M). 7-3. Unsolder the cable. 9 CIRCUIT DESCRIPTION KEY MATRIX KC0KC1KC2KC3KC4KC5KC6KC7 FI0A0 1A0 # 1B0 1C1 1C1 # 1D1 1D1 # 1E1 1 SI0A0 2A0 # 2B0 2C1 2C1 # 2D1 2D1 # 2E1 2 EI1F1 1F1 # 1G1 1G1 # 1A1 1A1 # 1B1 1

28、C2 1 SI1F1 2F1 # 2G1 2G1 # 2A1 2A1 # 2B1 2C2 2 FI2C2 # 1D2 1D2 # 1E2 1F2 1F2 # 1G2 1G2 # 1 SI2C2 # 2D2 2D2 # 2E2 2F2 2F2 # 2G2 2G2 # 2 FI3A2 1A2 # 1B2 1C3 1C3 # 1D3 1D3 # 1E3 1 SI3A2 2A2 # 2B2 2C3 2C3 # 2D3 2D3 # 2E3 2 FI4F3 1F3 # 1G3 1G3 # 1A3 1A3 # 1B3 1C4 1 SI4F3 2F3 # 2G3 2G3 # 2A3 2A3 # 2B3 2C4

29、 2 FI5C4 # 1D4 1D4 # 1E4 1F4 1F4 # 1G4 1G4 # 1 SI5C4 # 2D4 2D4 # 2E4 2F4 2F4 # 2G4 2G4 # 2 FI6A4 1A4 # 1B4 1C5 1C5 # 1D5 1D5 # 1E5 1 SI6A4 2A4 # 2B4 2C5 2C5 # 2D5 2D5 # 2E5 2 FI7F5 1F5 # 1G5 1G5 # 1A5 1A5 # 1B5 1C6 1 SI7F5 2F5 # 2G5 2G5 # 2A5 2A5 # 2B5 2C6 2 FI8C6 # 1D6 1D6 # 1E6 1F6 1F6 # 1G6 1G6 #

30、 1 SI8C6 # 2D6 2D6 # 2E6 2F6 2F6 # 2G6 2G6 # 2 FI9A6 1A6 # 1B6 1C7 1C7 # 1D7 1D7 # 1E7 1 SI9A6 2A6 # 2B6 2C7 2C7 # 2D7 2D7 # 2E7 2 FI10F7 1F7 # 1G7 1G7 # 1A7 1A7 # 1B7 1C8 1 SI10F7 2F7 # 2G7 2G7 # 2A7 2A7 # 2B7 2C8 2 FI KC SI LSI HG52E35P Second contactFirst contact 12 10 LED MATRIX SC0SC1SC2SC3 SI0

31、 ControlReverbChorusPiano1 SI1Piano2Ele Piano1HarpsichordPipe Organ1 SI2Sirings1Synth Pad1Acoustic BassVariation SI3SplitMemoryRecordTrackA SI4TrackBStart/stopSongMetronome LDH0LDH1LDH2LDH3LDH4LDH5 LDL0 ReverbPiano2Pipe Organ1Acoustic BassMemoryTrackB LDL1ChorusEle Piano1Strings1VariationRecordSong

32、LDL2Piano1HapshichordSynth Pad1SplitTrackAMetronome BUTTON MATRIX 11 PRINTED CIRCUIT BOARDS MAIN PCB JCM428-MA1M Top view Bottom view 12 EXPLODED VIEW CABINET 12 47 2 46 19 25 2926 3027 3128 32 10 5 4 13 13A 48 6 50 51 36 22 35 15 34 33 40 43 44 21 41 11 45 42 40 14 39 38 9 8 7 24 23 37 3 1 20 49 51

33、 17 18 16 25 28 29 32 13A 13 STAND x4 x2 x26 x2 x2 x4 x4 x2 x1 59 535455 52 Notes:This parts list does not include the cosmetic parts, which parts are marked with item No. R-X in the exploded view. Contact our spare parts department if you need these parts for refurbish. 1.Prices and specifications

34、are subject to change with- out prior notice. 2.As for spare parts order and supply, refer to the GUIDEBOOK for Spare parts Supply, published seperately. 3.The numbers in item column correspond to the same numbers in drawing. PARTS LIST AP-38 15 NItemCode No.Parts NameSpecificationQPrice CodeRRemark

35、 MAIN PCB N11009 8415PCB ASSY/M428-MA1MTK-RJM502154*0011DZA NLSI4,LSI51008 7835LSID442012AGYBB55XMJH2BIA NLSI21008 7836LSIMR27V6402G-0A3TP-N1BQA IC21000 8350LSIPCM69BU/2K1BAA LSI12012 5987LSITC190C020AF-0011BCA NLSI61008 7837LSIUPD703107AGJ133UEM1CCA LSI31005 4502LSIUPD914AGM-3ED1CKA IC11004 7445IC/

36、MONOLITHICNJM2068MD(T1)1ACB IC7, IC82105 6576IC/C-MOSTC74LCX245FT(EL)2AFB IC36932 4101IC/MOSRN5RF33BA-TR1ANB IC131004 7449IC/MOSRN5VD28AA-TR1ACB IC142105 5712IC/L-MOSTC7S04FU(TE85L)1ABB IC42105 6389IC/L-MOSTC7SET04FU-TE85L1ADB IC66930 9991IC/L-MOSTC7SET08FU(TE85L)1ACB IC122105 3696IC/L-MOSTC7SH04FU-

37、TE85L1ABB IC112105 3773IC/L-MOSTC7SH08FU-TE85L1ABB IC52105 6083IC/L-MOSTC7WU04FU(TE12L)1ADB X31004 7438OSCILLATOR/CERAMICCSTCR5M00G35-R01ACC X11004 7439OSCILLATOR/CERAMICCSTCV16.00MXJ0C4-T1ACC X21002 1357OSCILLATOR/CERAMICDSX151GA-22.5792M1ASC Q32250 1162TRANSISTOR/CHIP2SA1576AT106R1AAB Q12259 2764T

38、RANSISTOR/CHIP2SB1188T100Q1ABB Q46930 0298TRANSISTOR/CHIP2SC4081T106R1AAB Q22253 0715TRANSISTOR/CHIP2SD1664T100R1AAB D41004 7442DIODE/ZENERHZU2.7B2TRF1AAC D12360 2856DIODE/ZENERUDZTE-175.6B1AAC D32390 2576DIODE/CHIP SCHOTTKYRB501V-40TE-171ABC EF1/EF23025 1862FILTER/EMINFM51R00P2062ACB BT11005 2229LI

39、THIUM BATTERYCR2032/1HF11AGC PS1 PCB 21005 4068PCB ASSY/M437-PS1TK-M341450*21BOB 120V area 21005 4069PCB ASSY/M437-PS1TK-M341450*31BPB 230V area F4001004 7505FUSE51MS050L1ACA 120V area F4001004 7508FUSE50T025H1ACA 230V area PS2M PCB N31009 8414PCB ASSY/M428-PS2MTK-RJM502159*0011DBB 120V area N31009

40、8934PCB ASSY/M428-PS2MTK-RJM502159*0021DBB 230V area IC4031004 3418IC/MONOLITHICLM4765T1BCB IC405/IC4062121 0072IC/MONOLITHICNJM2068DD2ADB IC4012114 5796IC/MONOLITHICNJM78M05FA1AEB IC4022114 5794IC/MONOLITHICNJM78M15FA1AEB IC4042114 1421IC/PHOTOCOUPLERPC900VONSZX1AKB Q401-Q4052250 1592TRANSISTOR2SC1

41、740STPR5AAB Q406, Q4071002 5042TRANSISTOR2SD1468STPR2AAB D409-D412,2315 3132DIODE1SS133T-776AAC D414, D415 D4192390 3018DIODE1T21AAC D401-D4041003 6785DIODE2A02B4AAC D405-D4081004 7403DIODE1N5401-EP4AAC D416, D4202390 2828DIODERB441Q-40T-772AAC D4131003 8115DIODE/ZENERMTZJT-775.6B1AAC D417, D4181004

42、 7557DIODE/ZENERMTZJT-778.2B2AAC J4023612 0789JACKYKB21-50101ACA J4033612 0584JACKYKB21-50121ADA J4013501 4816JACK/DINYKF51-50511AHB F4011005 4029FUSE50T010H1ACA 230V area F4011005 2231FUSE51MS010L1ACA 120V area F402,F4031005 4030FUSE50T040H2ACA 230V area F402,F4031005 2230FUSE51MS040L2ACA 120V area

43、 Notes : Q - Quantity per unit R - Rank 16 NItemCode No.Parts NameSpecificationQPrice CodeRRemark PS3M PCB N41009 8420PCB ASSY/M428-PS3MTK-RJM502160*0011DZB J404, J4051004 7514JACK/PHONEYKB22-50782AGA PS4M PCB N51009 8417PCB ASSY/M428-PS4MTK-RJM502161*0011BCB D4002370 1417LEDSLP-135B-511AAB CONSOL P

44、CB N61009 8418PCB ASSY/M428-CN1M,CN2MRJM502165*0011CRB LSI3016932 4293LSIUPD65881GK-062-9ET1ATA Q307-Q3091004 7532TRANSISTOR2SC5720(TPE4)3AAB Q301-Q3061004 7535TRANSISTORRN2205(TPE4)6AAB D301-D3182370 1416LEDSLZ-190B-03-T218AAB X3012529 2032OSCILLATOR/CERAMICCSB1000J1ACC VR3012765 0280VOLUMEEWA-NAXC

45、H1B141AIB VR3022765 2187VOLUMEEWA-NFECH1B541AGB KEYBOARD PCB D701-D8762315 3132DIODE1SS133T-77176AAB 76928 5460PCB ASSY/M887T-KY1MM240951A*11BOC 86928 5470PCB ASSY/M887T-KY2MM240952*11BTC 96928 5480PCB ASSY/M887T-KY3MM241019A:11BMC MAIN CASE UNIT N101009 8935MAIN CASE ASSYTK-RJM502025*0011DOX N11100

46、9 8936COVER ASSY/KEYBOARDTK-RJM502084*0011DHX N121009 8937BOARD ASSY/FRONTTK-RJM502023*0011DAX 131004 7602SPEAKERS16J75A2BLB 13A1004 7589NETM441191-1 2 AD C 143831 1075SPEAKERS05JH37A2ARB 151005 4031TRANSFORMERTE-427-1M11CWB 120V area 161005 4032TRANSFORMERTE-427-2M11CWB 230V area 171005 4071CORD ASSY/ACTK-M341449*2(M427)1AWC 120V area 181005 40672P AC INLET ASSYTK-M341448*11ATB 230V area N191009 8938F BRD ASSYTK-RJM502089*0011DIX KEYBOARD UNIT 201004