Yamaha C40A- User Manual

Page 2 - IMPORTANT NOTICE; WARNING

A5000/A4000 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has beenassumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, arealready known and understood by the users, and have ...

Page 3 - SPECIFICATION

A5000/A4000 3 SPECIFICATION Tone generation method AWM2 tone generator Maximum Polyphony 126 notes (64 notes on the A4000), 32 multi-timbre parts (16 parts on the A4000) A/D conversion 20 bit 64-times oversampling D/A conversion 24 bit 8-times oversampling Digital I/O (only when AIEB1 I/O expansion ...

Page 4 - PANEL LAYOUT; Front Panel

A5000/A4000 4 PANEL LAYOUT Front Panel Rear Panel 1 AC inlet 2 Midi In-A, In-B, Out, Thru-A, Thru-B (A5000)connectors / Midi In, Out, Thru (A4000) connectors 3 Assignable Out L, R jacks 4 Stereo Out L/Mono, R jacks 5 SCSI connector 6 Optical In, Out connectors 7 Digital In, Out connectors 8 Assignab...

Page 5 - CIRCUIT BOARD LAYOUT

Page 6 - BLOCK DIAGRAM

Page 7 - Top Cover; DISASSEMBLY PROCEDURE; Circuit Boards and Unit

A5000/A4000 7 1. Top Cover 1-1 Remove the sixteen (16) screws marked [510] and slide the Top Cover to the back side. The top cover can be thenremoved. DISASSEMBLY PROCEDURE 2. Circuit Boards and Unit After removing the top cover, remove the following screws. Each circuit board can then be removed. N...

Page 10 - LSI PIN DESCRIPTION

A5000/A4000 10 LSI PIN DESCRIPTION (IC507) T C20 3C7 60HF -002 (XS7 25A 00) SW P 30B (AW M To ne Ge nerato r c op ed with ME G) S ta nd ard W ave Proc es so r P IN N O . N A M E I/O FU N C TIO N P IN N O . N A M E I/O FU N C TIO N 1 V ss (Gr ou n d) 1 21 V S S - (Gr ou n d) 2 C A 0 I 1 22 H MD 0 I/ ...

Page 16 - IC BLOCK DIAGRAM

Page 19 - TEST PROGRAM

A5000/A4000 19 TEST No. TEST TEST RESULTS 0 0 MIDI OK/NG 0 1 L C D ALL DOTS ON/OFF 0 2 LED/SWITCH LIT, OK/NG 0 3 ENCODER OK/NG 0 4 CPU (DRAM/EEPROM/DPRAM) OK/NG 0 5 WAVE MEMORY OK/NG 0 6 SIMM Displayed CAPACITY/NG ADDRESS (SIMM) 0 7 DRIVE 1SECTOR/DMA (SCSI) OK/NG 0 8 DRIVE 1SECTOR (IDE) OK/NG 0 9 FD...

Page 21 - ENCODER; TEST; MIDI

A5000/A4000 21 RESULT OF THE TEST OK : NG : # = the number of the NG switches END OF THE TEST After displaying, the test will be finished.In this switch test , the test can not be exited along the way. So , if thetest needs to be executed from the beginning once more, press anyswitch 19 times in max...

Page 24 - kHz ASSIGNABLE OUT-R; kHz ASSIGNABLE OUT-L

A5000/A4000 24 While sounding, the LCD shows as belows. RESULT OF THE TEST No display END OF THE TEST After displaying the [ENC5] STOP, the test will be finished. 14 1 kHz ASSIGNABLE OUT-R Insert the appropriate phone plugs into the STEREO OUT-L, R,ASSIGNABLE OUT-L, R terminals. Check the output wav...

Page 25 - MUTE

A5000/A4000 25 When inserting in the REC IN-RSTEREO OUT-L: less than -55 dBmSTEREO OUT-R: 1 kHz +/- 1.5 Hz, sine wave, less than 3.0% distortion -1 +/- 4 dBm (10 k ohm load) RESULT OF THE TEST No display END OF THE TEST After pushing the [ENC5] STOP, the test will be finished. 16 REC IN (LINE) / SPF...

Page 26 - DIGITAL & OPTICAL OUT

A5000/A4000 26 20 ASSIGNABLE OUT-3 Insert the appropriate phone plugs into the ASSIGNABLE OUT-3terminal. Check the output wave form and the output level of eachoutput by using an oscilloscope, an AC voltmeter (with JIS-C filter)and a distortion factor meter. ASSIGNABLE OUT-3: 1 kHz +/- 1 Hz, sine wa...

Page 27 - DIGITAL IN; OPTICAL IN; RESULT OF THE TEST

A5000/A4000 27 25 DIGITAL IN Insert the appropriate phone plugs into the STEREO OUT-L termi-nal. Input the signal to the DIGITAL IN terminal. Check the outputwave form and the output level of each output by using an oscillo-scope, an AC voltmeter (with JIS-C filter) and a distortion factormeter. Che...

Page 31 - ERROR MESSAGES

A5000/A4000 31 ERROR MESSAGES Here is a list of the error messages that will appear when an incorrect operation is performed or when a setting is incorrect. Audio CD is required. ....................................... An audio CD is not loaded into the external CD-ROM drive.Audition requires more m...

Page 32 - MIDI DATA FORMAT

A5000/A4000 32 MIDI DATA FORMAT 1. MIDI reception/transmission conditions block diagram < MIDI reception conditions > 1/3 n .............MIDI receive channel SW .........disable SW. Program LFO Sync < SW > $F8 Timing Clock Manual/MIDI (*2) $FA Start $FB Continue $FC Stop $FE Active Sensi...

Page 43 - MIDI IMPLEMENTATION CHART

Page 44 - PARTS LIST; CONTENTS

A5000/A4000 1 PARTS LIST The numbers in “QTY” shows quantities for each unit.The parts with “– –” in “Part No.” are not available as spare parts.The second letter of the shaded ( ) parts number is I, not one. The second letter of the shaded ( ) parts number is O, not zero. Note) DESTINATION ABBREVIA...

Page 45 - OVERALL ASSEMBLY

Page 48 - ELECTRICAL PARTS

5 A5000/A4000 DESCRIPTION REMARKS RANK: Japan only *: New Parts QTY RANK REF NO. PART NO. *** ** * ** ** CN1CN2CN3CN4CN5CN6CN9 CN14CN16 CN508CN516 -519 CN521CN800CN801CN802CN803CN804 D1D2D3 D10 -15 D101 -136 D500D501D800 -807 EM500 -502 EM800 -810 EM811 IC1IC2IC3IC6IC7IC8IC9 IC10IC10 IC11 IC13IC14IC...

Table of Contents:

Summary

Other Yamaha Models