IC BLOCK DIAGRAM ................. 16 TEST PROGRAM ................19 ERROR MASSAGE ................31 MIDI DATA FORMAT ................32 MIDI IMPLEMENTATION CHART ............43 PARTS LIST OVERALL CIRCUIT DIAGRAM CIRCUIT BOARDS SY 011491 HAMAMATSU,JAPAN A5000 19991210-229000 1.57K-859 I Printed in Japan2000.01 A4000 19991210-149000...
A5000/A4000 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.
Audition button Floppy Disk Drive Power switch Rear Panel AC inlet Midi In-A, In-B, Out, Thru-A, Thru-B (A5000) connectors / Midi In, Out, Thru (A4000) connectors Assignable Out L, R jacks Stereo Out L/Mono, R jacks SCSI connector Optical In, Out connectors...
A5000/A4000 DISASSEMBLY PROCEDURE Top Cover Remove the sixteen (16) screws marked [510] and slide the Top Cover to the back side. The top cover can be then removed. (Fig.1) Circuit Boards and Unit After removing the top cover, remove the following screws. Each circuit board can then be removed.
A5000/A4000 (Fig.2) (Fig.3) Front Panel Remove the knob marked [440], [450], [460]. Remove the three (3) screws marked [410]. And remove the Front Panel from the Lower Case Assembly. (Fig.4)
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A5000/A4000 Circuit Boards and Unit After removing the front panel, remove the following screws. Each circuit board can then be removed.(Fig.5) Circuit Boards and Unit Ref.No. Screw [S230] Hexagonal Nut 14X2 M12 (ES200210) [L170] Bind Head Tapping-B 3.0X6 MFZN2Y (EP600130)
A5000/A4000 LSI PIN DESCRIPTION TC203C760HF-002 (XS725A00) SWP30B (AW M Tone Generator coped with MEG) Standard W ave Processor (IC507) NAME FUN CTION NAME FUN CTION N O. N O. (Gr ound) (Gr ound) HMD0 HMD1 HMD2 HMD3 HMD4 Address bus of inter nal register...
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A5000/A4000 D65621GF-028-3B9 (XS370A00) SMI (IC516) NAME FUNCTION NAME FUNCTION LMA24 Power Supply LMA23 L1RAS2 RAS2 for LoMem SIMM 1 LMA22 L1RAS3 RAS3 for LoMem SIMM 1 LMA21 Low Memory Address Ground LMA20 HDRAS0 RAS for HiMem DRAM 0 LMA19 HDRAS1...
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A5000/A4000 D65636GF-104-3B9 (XS369A00) SPF (IC11) NAME FUNCTION NAME FUNCTION Initial Clear SYNIO Serial Input0 Sync Clock(48kHz) Power Supply Power Supply Ground Ground Data Bus DIN0 Serial Input0 Data Input(1.6MHz) CK256I1 Serial Input1 256fs Clock(12.8MHz) Ground BCKI1 Serial Input1 Bit Clock(3.2MHz)
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A5000/A4000 HD63266F (XI939A00) FDC (Floppy Disk Controller) (IC8) NAME FUNCTION NAME FUNCTION 8"//5" Data transmission speed /TRKO Track 00 signal XTALSET Clock select /INDEX Index signal /RESET Rest /RDATA Read data input from FDD E//RD Enable/Read XTAL2 Clock RW//WR Read/write/Write...
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A5000/A4000 HD6437043AE00F (XW795A00) CPU (IC1) NAME FUNCTION NAME FUNCTION /WRHH HH write DACK0 DMA transfer strobe Data bus PA22 Port A /CASHH HH Column address strobe PE15 Port E Power supply Ground Data bus Ground Address bus Data bus Power supply...
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A5000/A4000 MB87034PF (XK851A00) SPC (SCSI Protocol Controller) (IC52) NAME FUNCTION NAME FUNCTION /RESET Reset /CLK Clock Ground Ground /DBP SCSI data bus /I/O Data direction Ground Ground /DB7 /REQ Request /DB6 SCSI data bus /C/D Command/Data /DB5 /SEL Select Power supply...
A5000/A4000 TEST PROGRAM TEST No. TEST TEST RESULTS MIDI OK/NG ALL DOTS ON/OFF LED/SWITCH LIT, OK/NG ENCODER OK/NG CPU (DRAM/EEPROM/DPRAM) OK/NG WAVE MEMORY OK/NG SIMM Displayed CAPACITY/NG ADDRESS (SIMM) DRIVE 1SECTOR/DMA (SCSI) OK/NG DRIVE 1SECTOR (IDE) OK/NG FD INSERT/VERIFY OK/NG...
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The test program can be entered in either of the two ways. AUTO MANUAL 1.Turn on the A5000/A4000 power switch while pressing the [F1] and the [COMMAND] switches. The test is proceeded to use the [ENC4], [ENC5], [COMMAND] 2.After turning on the A5000/A4000 power switch, wait a few and [ASSIGNABLE].
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MIDI cable is joined the following and the test will be executed. AUTO MANUAL MIDI-A-OUT === MIDI-A-IN (A4000,A5000) MIDI-A-THRU === MIDI-B-IN (A5000) NG : 02: LED/SW N G S W # : < * * * * * * > AUTO...
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A5000/A4000 RESULT OF THE TEST CPU (DRAM/EEPROM/DPRAM/FLASH) OK : 04: C P U ( D R A M / E E P R O M / D P R A M / F L A S H ) 06: S I M M...
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0 8 : D R I V E 1 S E C T O R ( I D E ) formated by A5000/A4000 or formated for MS-DOS. Be sure that D E S T R U C T I V E !
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A5000/A4000 While sounding, the LCD shows as belows. RESULT OF THE TEST OK : Output on AUTO MANUAL NG : RESULT OF THE TEST N G S W P a c c e s s e r r o r...
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A5000/A4000 When inserting in the REC IN-R RESULT OF THE TEST STEREO OUT-L: less than -55 dBm OK / NG STEREO OUT-R: 1 kHz +/- 1.5 Hz, sine wave, less than 3.0% distortion -1 +/- 4 dBm (10 k ohm load) END OF THE TEST After displaying the result, the test will be finished.
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A5000/A4000 ASSIGNABLE OUT-5: 1 kHz +/- 1 Hz, sine wave, less than 0.5% ASSIGNABLE OUT-3 distortion 0 +/- 3 dBm (10 k ohm load) 20: ASSIGNABLE OUT-3 ASSIGNABLE OUT-6: less than -70 dBm (10 k ohm load) AUTO MANUAL Insert the appropriate phone plugs into the ASSIGNABLE OUT-3 While sounding, the LCD shows as below.
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A5000/A4000 RESULT OF THE TEST DIGITAL IN 2 5 : D I G I TA L I N 2 6 : O P T I C A L I N AUTO MANUAL AUTO MANUAL Insert the appropriate phone plugs into the STEREO OUT-L termi- NG : nal.
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A5000/A4000 6) When executing the mLAN clock test, the display is as below. RESULT OF THE TEST 2 7 : m L A N I / F ( 2 6 p i n ) OK : AUTO MANUAL U S I N G M L A N B O A R D C L O C K...
SCSI TERM POWER Connect the DIGITAL IN terminal and the DIGITAL OUT terminal Turning on the A5000/A4000 power switch, test can start after more and execute the test. Check the test result on the LCD. than 5 seconds. The voltage can be measured the SCSI connector for...
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A5000/A4000 SCSI TERM SW Turning on the A5000/A4000 power switch, the test can start after more than 5 seconds. The voltage can be measured the SCSI connec- tor for the internal connect and the DM circuit board of the CN9-2 pin (the SCSI signal line).
SIMM configuration error....... The A5000/A4000 was not able to start up, due to the fact that expansion SIMM’s are not installed in pairs, or because the usage order of the expansion slots is incorrect etc.
Program Change $F0,$7E,$nn,$06,$02 Identity Reply < SW > $Cn,$00 Program Change enable/disable (*1) For the A5000 one of the A/B inputs can be selected. $Cn,$7F < MIDI transmission conditions > After Touch < SW > $Dn After Touch Note Off...
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EF3 Parameter 1 - 16 0 - 127 2.1.6. Program changes 0-120 EF4 Level 0 - 127 * (A5000 only) 0-120 EF4 Pan 0 - 127 * (A5000 only) When a program change message is received, the corresponding program is selected for...
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= Sustain loop end point (LSB first) Sample Dump Request is received. 0iiiiiii iiiiiii = The A5000/A4000 will automatically detect whether the MIDI connections are an open 0iiiiiii iiiiiii = loop or a closed loop, and will automatically switch to use or not use hand shaking.
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Software revision level $nnnn A5000/A4000 software version “PG” Program bulk dump (*1) For the A5000 the range is $01DB, and the content is #0475. “SB” Sample bank bulk dump “SP” Sample bulk dump This message is only transmitted in response to an Identity Request message.
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9byte — reserved 0408 56*n byte [Easy Edit Parameter]*(number of samples) (*1) Number of samples/sample banks for which ToPgm is on. (*2) -2:off, -1:AUDITION, 0-15:A01-16, 16:basic receive channel, 17-32:B01-16(A5000 only) (*3) -1:all (*4) Refer to *8 of “2.1.1 Program Parameters”.
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PEG sustain level (*2) -1:”=sample” (*3) Each bn and bn+1 is 1:”=sample”. 0143 +/-127 PEG release level (*4) -1:”=sample”, 0-15:A01-A16, 16:basic receive channel, 17-32:B01-16(A5000 only) 0144 +/-7 PEG rate key scaling (*5) -1:”=sample”, Refer to *8 of “2.1.1 Program Parameters”.
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0456 loop remix zone start point b0:MIDI channel B01 controller reset... 0457 loop remix zone end point ( >start) b15:MIDI channel B16 controller reset (A5000 only) 0458 assignable L&R output level offset 1502 b0:MIDI channel B01 note on normal/toggle... 0459 assignable 1&2 output level offset...
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Easy Edit Parameters (*5) -1:”=Orig” P2 x 100 + P3 is the number of the sample (bank) assigned to the program. (*6) -2:off, -1:AUDITION, 0-15:A01-A16, 16:basic receive channel, 17-32:B01-16 (A5000 only) P3 = 0-98 only when P2 = 9. (*7) -1:all 0-99 —...
A5000/A4000 PARTS LIST CONTENTS OVERALL ASSEMBLY ......... 2 ELECTRICAL PARTS ........... 5 Note) DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model German model Taiwan model European model U.S.A. model French model General export model (110V)
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A5000/A4000 DESCRIPTION REMARKS PART NO. QTY RANK REF NO. Circuit Board Assembly E, B (V481230) V3612600 Power Supply Unit J, U V3612700 Power Supply Unit E, B V4537900 Connector Assembly ACIN-PS VL785200 P20a AC-IN Connector AC-P01CR02 CB069250 Cord Holder BK-1...