Casio Celviano AP-40 Service Manual Download Page 1 | Manualshive

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Casio Celviano AP-40 Service Manual Download Page 1

DIGITAL PIANO

AP-40

AP-40

AUG. 2000

Ver.1 Oct. / 2000

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Summary of Contents for Celviano AP-40

Page 1: ...DIGITAL PIANO AP 40 AP 40 AUG 2000 Ver 1 Oct 2000...

Page 2: ...cations 1 Block Diagram 2 PCB Layout 3 Disassembly Instructions 4 Circuit Description 8 Major Waveforms 10 Printed Circuit Board 11 Troubleshooting 12 Wiring Diagram 16 Exploded View 17 Parts List 19...

Page 3: ...Metronome Beat 6 types Tempo 30 to 300 Touch Select 3 types Transpose 1 octave F to C to F Tuning A4 440Hz 13Hz adjustable Temperament 7 types Baroque pitch MIDI 16 multi timbre receive Input Output...

Page 4: ...5005GF 419 LSI301 D A Converter uPD6376GS D A Converter uPD6376GS LSI 5 LSI 4 Filter Mixer Mute Circuit Power Amp STK4132MK IC405 RA0 22 RD0 15 EA0 14 ED0 15 D0 7 D0 7 L18 28 KI0 3 LA LG LP LK8 14 LED...

Page 5: ...Buttons Power PCB PS11 Fuse Noise filter LIGHT MIDDLE HEAVY HARPSICHORD POWER ON OFF VOLUME BRILLIANCE CONTROL CONTROL MIDI MAX ETRANSPOSE ETUNE EMIDI EBRILLIANCE EMETRONOME VOL MELLOW BRIGHT PLAY ST...

Page 6: ...n the rear 1 2 Slide the top board towards the rear The top board will be free from catches on the case 1 3 Lift the top board 2 Disassembling keyboard cover 2 1 Slide the keyboard cover to open fully...

Page 7: ...screws afixing the console panel 3 2 Remove the screw fixing a grounding wire at the transformer 3 3 Disconnect two connectors CF on PCB JCM434 PS2M and CD on PCB JCM434 MA1M 3 4 Slide the console pan...

Page 8: ...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 Disassembling front cover 4 1 Remove 9 screws at the front edge on the bottom 4 2 Unsc...

Page 9: ...up 7 2 Disconnect the connector at the middle of keyboard 7 3 Remove screws on the keyboard PCBs 8 Replacing the main PCB Note The main PCB contains a lithium battery for memory back up Please remove...

Page 10: ...1 A3 1 B3 1 C4 1 SI4 F3 2 F3 2 G3 2 G3 2 A3 2 A3 2 B3 2 C4 2 FI5 C4 1 D4 1 D4 1 E4 1 F4 1 F4 1 G4 1 G4 1 SI5 C4 2 D4 2 D4 2 E4 2 F4 2 F4 2 G4 2 G4 2 FI6 A4 1 A4 1 B4 1 C5 1 C5 1 D5 1 D5 1 E5 1 SI6 A4...

Page 11: ...B PLAY STOP L20 TEMPO BEAT FIXED METRONOME L24 PIANO 2 E PIANO HARPSICHORD W BASS L25 PIANO 1 STRINGS CHOIR E BASS L26 VIBRAPHONE PIPEORGAN CHORUS TREMOLO REVERB L27 SONG SELECT RECORD L28 VALUE DOWN...

Page 12: ...pin 20 4 Key scan signal KC1 CA connector pin 19 5 Key scan signal KC2 CA connector pin 18 6 Button scan signal L24 UPD65005GF 419 pin 53 7 Button scan signal L25 UPD65005GF 419 pin 54 8 Button scan s...

Page 13: ...11 PRINTED CIRCUIT BOARD JCM435 MAIN Top View Bottom View...

Page 14: ...tages 40 V AC and 8 V AC Is it OK Is it OK Measure output voltages of the transformer Replace the transformer No No Replace F402 F403 and F404 Yes Yes No No Yes Yes Yes Replace main PCB No Replace the...

Page 15: ...ne sound Replace keyboard PCBs Disconnect CA and CB connectors on the main PCB Follow No power troubleshooting No Yes Yes Yes No No Replace main volume Press Demo button Replace the main PCB Check the...

Page 16: ...ction Replace the main PCB Do the keys function Yes No Replace keyboard PCBs End Clean the contact Does the key function Does the key function Yes No No Replace the key contact rubber Replace keyboard...

Page 17: ...t function 7 A certain tone is strange when record playback Replace the console PCBs Does the button function Yes No Replace MA1M PCB End Check the cord of pedal unit Is it disconnected Yes No Replace...

Page 18: ...CF 4 CF 5 CG 1 CG 2 CG 3 CG 4 CG 5 CG 6 CG 7 CG 1 CG 2 CG 3 CG 4 CG 5 CG 6 CG 7 LVD DG AG LSP RSP R HP L HP POWER Lamp R OUT IN L R L JCM434 PS4M CH 1 CH 2 CH 1 CH 2 LVD DG POWER TRANSFORMER W R JCM4...

Page 19: ...17 33 R 4 R 3 37 R 2 38 36 35 31 32 2 34 1 3 8 9 7 6 10 9 11 8 5 4 38 R 6 R 1 R 5 13 14 15 16 17 18 19 20 21 22 23 24 27 25 26 29 30 28 12 EXPLODED VIEW CABINET...

Page 20: ...18 STAND 40 39 R 9 R 8 R 7...

Page 21: ...ur spare parts department if you need these parts for refurbish 1 Prices and specifications are subject to change with out prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for...

Page 22: ...7 LED LB 603VP 1 1 AT C IC301 2114 3318 IC BA612 1 1 AI C LSI301 2011 0812 LSI UPD65005GF 419 1 1 AT B Q309 Q312 2220 1409 TRANSISTOR 2SC1740SR TP T 4 4 AA C Q301 Q308 2259 1883 TRANSISTOR DTA114TS TP...

Page 23: ...6927 4080 WHITE KEY G M140788 1 7 7 AH B 20 6927 4090 WHITE KEY A M140789 1 7 7 AH B 21 6927 4100 WHITE KEY B M140790 1 8 8 AI B 22 6927 4110 WHITE KEY SA M140792 1 1 1 AM B 23 6927 4120 WHITE KEY SC...

Page 24: ...22 SCHEMATIC DIAGRAMS Main PCB JCM435 MA1M CPU ROM 8M RAM 256K D A Converter ROM 24M DSP D A Converter Reset IC To Pedal Unit Key controller RAM 256K RAM 256K 5 4 3...

Page 25: ...23 Power Amp Mute Mute Power Supply circuit Mixer Filter 1 2 I O PCBs JCM434 PS2M Phone Jack PCBs JCM434 PS3M LED PCBs JCM 434 PS4M Power PCBs JCM 434 PS11...

Page 26: ...24 8 Switch LED Controller 7 6 Console PCBs JCM434 CN1M...

Page 27: ...25 Console PCBs JCM434 CN2M...

Page 28: ...26 Keyboard PCB JCM887T KY1M...

Page 29: ...27 Keyboard PCB JCM887T KY2M...

Page 30: ...28 Keyboard PCB JCM887T KY3M...

Page 31: ...CASIO TECHNO CO LTD Overseas Service Division Nishi Shinjuku Kimuraya Bldg 1F 5 25 Nishi Shinjuku 7 Chome Shinjuku ku Tokyo 160 0023 Japan Ver 1 Correction of page 21 due to parts code misprinted...

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