PROFESSIONAL SAMPLER SERVICE MANUAL CONTENTS SPECIFICATIONS ................................................................................3 PANEL LAYOUT ..................................................................................4 CIRCUIT BOARD LAYOUT ...................................................................5 BLOCK DIAGRAM ............................................................................... 6 DISASSEMBLY PROCEDURE ............................................................
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.
A5000/A4000 SPECIFICATION Function buttons (six buttons) Tone generation method AWM2 tone generator COMMAND/EXIT button ASSIGNABLE button Maximum Polyphony 126 notes (64 notes on the A4000), 32 multi-timbre parts (16 parts on the A4000) AUDITION button LCD (320 x 80 dot, LED backlight) A/D conversion 20 bit 64-times oversampling LCD contrast control 3.
A5000/A4000 PANEL LAYOUT Front Panel 1 Master Vol [Master Volume] 2 Rec Vol [Recording Volume] 3 Phones jack 4 Input L, Input R jacks 5 LCD Contrast 6 Display 7 Knobs 1-5 8 Mode buttons 9 Function buttons [F1]-[F6] 10 Command Exit button 11 Assignable button 12 Audition button 13 Floppy Disk Drive 14 Power switch Rear Panel 1 2 AC inlet Midi In-A, In-B, Out, Thru-A, Thru-B (A5000) connectors / Midi In, Out, Thru (A4000) connectors 3 4 Assignable Out L, R jacks 4 Stereo O
A5000/A4000 CIRCUIT BOARD LAYOUT 5
A5000/A4000 28CA1-8815099 BLOCK DIAGRAM 6
A5000/A4000 DISASSEMBLY PROCEDURE 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 then removed. (Fig.1) 2. Circuit Boards and Unit After removing the top cover, remove the following screws. Each circuit board can then be removed. Circuit Boards and Unit HDD Bracket 1 DM* 3 FDD Bracket* PS Cover Ass'y 4 PS* Fan Ass’y* Note: 4 *1 *2 *3 *4 Ref.No. Screw Qty [220] Bind Head Tapping Screw-B 3.
A5000/A4000 (Fig.2) (Fig.3) 3. Front Panel 3-1 3-2 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.
A5000/A4000 4. 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 JK RE Ref.No. Screw Qty [S230] Hexagonal Nut 14X2 M12 (ES200210) 3 [L170] Bind Head Tapping-B 3.0X6 MFZN2Y (EP600130) 2 - Washer - Nut 5 5 [L170] Bind Head Tapping-B 3.0X6 MFZN2Y (EP600130) 2 VR [S140] PNA [S70] Bind Head Tapping-B 3.0X6 MFZN2Y (EP600130) 4 Cup Tapping Screw-B 3.
A5000/A4000 LSI PIN DESCRIPTION TC203C760HF-002 (XS725A00) SWP30B (AW M Tone Generator coped with MEG) Standard W ave Processor 10 PIN N O.
A5000/A4000 D65621GF-028-3B9 (XS370A00) SMI PIN NO.
A5000/A4000 D65636GF-104-3B9 (XS369A00) SPF PIN NO.
A5000/A4000 HD63266F (XI939A00) FDC (Floppy Disk Controller) PIN NO.
A5000/A4000 HD6437043AE00F (XW795A00) CPU PIN NO.
A5000/A4000 MB87034PF (XK851A00) SPC (SCSI Protocol Controller) PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 NAME /RESET VSS NC NC NC /DBP VSS /DB7 /DB6 /DB5 VDD VSS VSS /DB4 /DB3 /DB2 /DB1 VSS /DB0 NC NC TEST VSS DRESP DREQ HIN HDB0 HDB1 HDB2 HDB3 HDB4 HDB5 VDD HDB6 HDB7 HDBP A0 A1 A2 A3 I/O I I/O I/O I/O I/O I/O I/O I/O I/O I/O I O I I/O I/O I/O I/O I/O I/O I/O I/O I/O I I I I FUNCTION PIN NO.
A5000/A4000 IC BLOCK DIAGRAM 16
A5000/A4000 17
A5000/A4000 18
A5000/A4000 TEST PROGRAM TEST No. TEST TEST RESULTS 00 MIDI OK/NG 01 LCD ALL DOTS ON/OFF 02 LED/SWITCH LIT, OK/NG 03 ENCODER OK/NG 04 CPU (DRAM/EEPROM/DPRAM) OK/NG 05 WAVE MEMORY OK/NG 06 SIMM Displayed CAPACITY/NG ADDRESS (SIMM) 07 DRIVE 1SECTOR/DMA (SCSI) OK/NG 08 DRIVE 1SECTOR (IDE) OK/NG 09 FD INSERT/VERIFY OK/NG 10 128 (64)TONE/DSPRAM Listning (via DSP RAM) 11 STEREO OUT-L 1 kHz +/- 1 Hz, less than 2.
A5000/A4000 Measuring instruments: Jigs: oscilloscope, level meter(with a JIS-C filter), distortion meter, AD converter, oscillator MIDI cable, optional extension board A. TEST ENTRY B. PROCEEDING THROUGH THE TEST MANUAL MODE If the test mode is entered, the following screen is displayed. 00: MIDI The test program can be entered in either of the two ways. 1.Turn on the A5000/A4000 power switch while pressing the [F1] and the [COMMAND] switches. 2.
A5000/A4000 C. TEST 02: LED/SW Push: < ******** > This test program is explained about the manual mode. 00 MIDI RESULT OF THE TEST 00: MIDI AUTO MANUAL MIDI cable is joined the following and the test will be executed. MIDI-A-OUT === MIDI-A-IN (A4000,A5000) MIDI-A-THRU === MIDI-B-IN (A5000) OK : NG : RESULT OF THE TEST OK : 00: MIDI AUTO NG : OK MANUAL 00: MIDI NG NG STOP END OF THE TEST After pressing the [ENC5] STOP, the test will be finished.
A5000/A4000 04 RESULT OF THE TEST CPU (DRAM/EEPROM/DPRAM/FLASH) 04: C P U ( D R A M / E E P R O M / D P R A M / F L A S H ) DESTRUCTIVE! AUTO MANUAL OK : Perform the read/write test of DRAM / EEPROM / Dual Port RAM / Flash ROM. Check that OK is displayed.
A5000/A4000 08 DRIVE 1SECTOR (IDE) 08: DRIVE 1SECTOR (IDE) DESTRUCTIVE! ID 4 AUTO MANUAL Connect the HDD to the IDE Bus and execute by pressing the [ENC5] MANUAL.The MASTER (0) / SLAVE (1) of the drive testing on the [ENC3] can be selected. The MASTER (0) / SLAVE (1) of the drive testing on the [ENC3] can be selected. (The default ID can be set by pressing the [ENC3] ID4.) The data on the SCSI DRIVE may be destroyed, so execute this test after saving the back-up data.
A5000/A4000 While sounding, the LCD shows as belows. RESULT OF THE TEST OK : NG : OK AUTO MANUAL NG SWP access error AUTO MANUAL Output on RESULT OF THE TEST No display END OF THE TEST After pushing the [ENC5] STOP, the test will be finished. END OF THE TEST After displaying the [ENC5] STOP, the test will be finished.
A5000/A4000 When inserting in the REC IN-R STEREO OUT-L: less than -55 dBm STEREO 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 RESULT OF THE TEST OK / NG END OF THE TEST After displaying the result, the test will be finished. 18 END OF THE TEST After pushing the [ENC5] STOP, the test will be finished.
A5000/A4000 20 ASSIGNABLE OUT-3 20: ASSIGNABLE OUT-3 AUTO MANUAL Insert the appropriate phone plugs into the ASSIGNABLE OUT-3 terminal. Check the output wave form and the output level of each output by using an oscilloscope, an AC voltmeter (with JIS-C filter) and a distortion factor meter. ASSIGNABLE OUT-3: 1 kHz +/- 1 Hz, sine wave, less than 0.5% distortion 0 +/- 3 dBm (10 k ohm load) ASSIGNABLE OUT-4: less than -70 dBm (10 k ohm load) While sounding, the LCD shows as below.
A5000/A4000 25 RESULT OF THE TEST DIGITAL IN 2 5 : D I G I TA L I N OK: AUTO MANUAL Insert the appropriate phone plugs into the STEREO OUT-L terminal. Input the signal to the DIGITAL IN terminal. Check the output wave form and the output level of each output by using an oscilloscope, an AC voltmeter (with JIS-C filter) and a distortion factor meter. Check that the following signal is output. And while executing the test, check the error isn’t displayed.
A5000/A4000 6) When executing the mLAN clock test, the display is as below. 27: mLAN I/F (26pin) USING MLANBOARD CLOCK CONT STOP RESULT OF THE TEST OK : NG : 27: mLAN I/F (26pin) AUTO OK MANUAL AUTO NG MANUAL 27: mLAN I/F (26pin) RESULT OF THE TEST OK : OK AUTO MANUAL NG : NG AUTO MANUAL END OF THE TEST After displaying the result, the test will be finished. 52 END OF THE TEST After pressing the [ENC5] STOP, the test will be finished.
A5000/A4000 NG : END OF THE TEST After displaying the result, the test will be finished. NG SCSI device bad condition Access Error NG : 56 NG SCSI device read error OPTICAL I/O 56: O P T I C A L I / O Read Error NG : AUTO Connect the DIGITAL IN terminal and the DIGITAL OUT terminal and execute the test. Check the test result on the LCD.
A5000/A4000 91 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 connector for the internal connect and the DM circuit board of the CN9-2 pin (the SCSI signal line). Check the voltage of the switch fills the following. TERM SW ON: TERM SW OFF: 92 2.85 +/- 0.5 V 0.00 +/- 0.5 V REMAIN NOISE Insert the appropriate phone plugs into the STEREO OUT L, R, ASSIGNABLE OUT-L, R, PHONES terminals.
A5000/A4000 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 memory. ................... There is not enough wave memory available to use the AUDITION function.Direct playback from the disk is not possible. Bulk data error. .................................................
A5000/A4000 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 > Manual/MIDI (*2) MIDI (*1) $F8 Timing Clock $FA Start Control Change < SW > enable/disable MIDI (*1) < MIDI reception conditions > 3/3 SW..........BULK protect SW. nn............
A5000/A4000 Parameters which function for each MIDI channel of a program 2. Channel messages Channel messages are received as follows. When Program Mode = Single and Omni SW is on, The Note ON/OFF, Control Change, Pitch Bend, After Touch, and Program Change channels have no meaning. When Program Change SW is enabled and Program Mode = Single the Basic Receive Channel is used; when Program Mode = Multi the Part 1 receive channel is used. No program change occurs when off.
A5000/A4000 3. Realtime messages 3.1. Reception 4.1.6. Dump Header 3.1.1. Active sensing Once active sensing is received, monitoring will begin, and if no MIDI input appears for an interval longer than approximately 400 msec, the MIDI receive buffer will be cleared, and the tone generator will be damped. 3.1.
A5000/A4000 If the sample contains a release loop, this message is transmitted after the sample dump. Alternatively, this message is transmitted in reply to a Loop Point Request message. 4.2.2. Loop Point Request 0 1 2 3 4 5 6 7 8 9 01110000 01111110 0nnnnnnn 00000101 00000010 0sssssss 0sssssss 0bbbbbbb 0bbbbbbb 01110111 $F0 $7E nnnnnnn = Channel Number $05 $02 sssssss = Sample number (LSB first) sssssss = bbbbbbb = Loop number (LSB first) bbbbbbb = $F7 This message requests loop points.
A5000/A4000 5.3.1. Parameter change (object select) 5.3.5. Parameter request (object) 0 1 2 3 4 5 01110000 01000011 0001nnnn 01011000 00000000 0ccccccc 0 1 2 3 4 5 11110000 01000011 0011nnnn 01011000 00000001 0ppppppp 20 22 21 0ccccccc 0ttttttt 11110111 10 11 0ppppppp 11110111 $F0 $43 nnnn = Device Number $58 g=22,h=0 $00 object name (ASCII 16byte) object type $F7 Functions as an object select message. This message specifies the object. object name is a 16-character name for each object.
A5000/A4000 Table1 Bulk Dump Item offset Type decimal UC Description 1st Address offset 1 byte (unsigned 8 bit) b7-b0 1 byte (signed 8 bit, 2’s sign,b6-b0 complement) 2 byte (unsigned 16 bit) b15-b8 2 byte (signed 16 bit, 2’s sign,b14-b8 complement) 4 byte (unsigned 32 bit) b31-b24 4 byte (signed 32 bit, 2’s sign,b30-b24 complement) wn bytes of each data type All displayable ASCII codes except Y Bitmap type Refer to the name column for bit position Unused or internal use only (0 not appropriate) Paramete
A5000/A4000 [Control] 4byte offset 0000 0001 0002 0003 data size value UC 0-126 UC 0-m UC 0-3 SC +/-63 name control device control function (*1) control type control range (*1) program:m=71(A4000),128(A5000), sample:m=36 Refer to *9 or “2.1.1. Program Parameters,” *11 of “2.1.4 Parametere Block.
A5000/A4000 [Effect Parameter] 40byte offset data size value name 0000 UC 0-1 bypass 0001 UC 0-127 input level 0002 UC 0-127 output level 0003 SC +/-63 output pan 0004 UC 0-5 output 0005 SC -126-0 width 0006 UC 0-96 effect type 0007 UC — reserved 0008 US*16 effect parameter1-16 1.2. System Parameter Bulk Dump 1.2.
A5000/A4000 1550 US b b0:MIDI channel A01 controller reset... b15:MIDI channel A16 controller reset 1552 US b b0:MIDI channel A01 note on normal/toggle...
A5000/A4000 value 0 1 2 3 4 5 6 7 8 ... 23 24 25 26 ... 41 42 43 44 ... 59 60 61 62 63 64 65 66 67 68 ... 71 72 ... 87 88 89 90 91 ... 106 107 108 109 110 ... 125 126 127 function off portamento rate/time LFO S/H speed AD in L&R pan AD in L&R level program level effect1 output level effect1 pan effect1-parameter1 ... effect1-parameter16 effect2 output level effect2 pan effect2-parameter1 ... effect2-parameter16 effect3 output level effect3 pan effect3-parameter1 ...
A5000/A4000 2 2 2 2 2 2 83 0-5 3 — — SC +/-63 control range 1-6 84 — — — — SC +/-31 filter gain 85 — — — — UC 0-2 EQ Type 86 — — — — — — reserved 87 — — — — UC 1-127 sample portamento rate 88 — — — — UC 1-127 sample portamento time (*1) mono samples for which 2:detune or dephase is not +/-0. (*2) 128:”=Orig” (*3) -1:”=Orig” (*4) 64-68:”Rnd1"-”Rnd5" (*5) 1: depends on any sample bank.
A5000/A4000 MIDI IMPLEMENTATION CHART 43
A5000/A4000 PARTS LIST CONTENTS OVERALL ASSEMBLY ......................................... 2 ELECTRICAL PARTS........................................... 5 Note) DESTINATION ABBREVIATIONS A: B: C: D: E: F: H: I: J: Australian model British model Canadian model German model European model French model North European model Indonesian model Japanese model WARNING Components having special characteristics are marked specifications equal to those originally installed.
A5000/A4000 OVERALL ASSEMBLY 2
A5000/A4000 REF NO. * * * * * * * * * * * * * * PART NO.
A5000/A4000 REF NO. * * * * * * * * * * * * * * * * PART NO.
A5000/A4000 ELECTRICAL PARTS REF NO. * * * * * * * * * * CN1 CN2 CN3 CN4 CN5 CN6 CN9 CN14 CN16 CN508 CN516 -519 CN521 CN800 CN801 CN802 CN803 CN804 D1 D2 D3 D10 -15 D101 -136 D500 D501 D800 -807 EM500 -502 EM800 -810 EM811 IC1 IC2 IC3 IC6 IC7 IC8 IC9 IC10 IC10 IC11 IC13 IC14 IC15 IC16 IC17 IC20 IC21 IC22 IC23 IC24 IC25 IC26 -28 IC30 IC31 IC32 IC33 -37 IC38 IC39 IC40 PART NO.
A5000/A4000 REF NO. * * * * * * * * * * * * * * * * * IC42 IC43 IC44 IC45 IC46 IC49 IC50 IC51 IC52 IC53 IC54 IC56 IC58 IC61 IC62 IC63 IC64 IC65 IC66 IC69 IC70 IC72 IC73 IC75 IC76 IC77 IC78 IC79 IC80 -82 IC84 IC86 IC87 IC88 IC89 -91 IC92 IC93 IC94 IC96 IC97 IC98 IC503 IC504 IC505 IC506 IC507 IC508 IC509 IC515 IC516 IC519 IC520 IC522 IC524 IC526 -533 IC534 IC535 IC536 IC538 IC539 -541 IC802 IC803 IC804 IC805 IC806 IC807 IC808 IC809 IC810 IC811 IC812 -814 PART NO.
A5000/A4000 REF NO. * * * * * IC815 IC816 IC821 IC822 IC823 J99 J100 JK1 JK2 JK800 JK801 JK802 JK803 L2 L11 -31 L52 L802 L807 -826 L827 L828 RA1 -3 RA4 -6 RA7 -10 RA11 -14 RA15 RA16 -36 RA37 -53 RA61 -66 RA67 -72 RA74 -84 RA85 -95 RA500 RA502 RA506 RA511 RA512 RA515 RA516 RA519 RA520 RA523 -538 RA539 RA800 RA801 SW1 TH1 TR1 TR2 -12 TR800 TR802 X1 X2 X3 X4 X5 X500 ZD1 -3 PART NO.
A5000/A4000 REF NO. * PART NO. REMARKS 47.00 50.0V VV546700 VY844800 UE046470 UE066100 UF027220 UF027330 UF027470 UF028100 47 10V M 22 16V 4.7 25V RV2 1 50V RV2 22 10V 33 10V 47 10V 100 10V Tantalum Capacitor (chip) Capacitor (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) UF037100 Electrolytic Cap.
A5000/A4000 REF NO. * * * * * * CN1 CN2 CN3 CN4 CN5 CN6 CN9 CN14 CN16 CN508 CN516 -519 CN521 CN800 CN801 CN802 CN803 CN804 D2 D3 D10 -13 D101 -136 D500 D800 -803 D804 -806 D807 EM500 -502 EM800 -810 EM811 IC1 IC2 IC3 IC6 IC7 IC8 IC9 IC10 IC10 IC11 IC13 PART NO.
A5000/A4000 REF NO. * * * * * * * * * * * * * * * IC14 IC15 IC17 IC20 IC21 IC22 IC23 IC24 IC25 IC26 -28 IC30 IC31 IC32 IC33 -37 IC38 IC39 IC40 IC42 IC43 IC45 IC46 IC49 IC50 IC51 IC52 IC53 IC54 IC56 IC58 IC72 IC76 IC77 IC78 IC79 IC80 -82 IC84 IC86 IC87 IC88 IC89 -91 IC92 IC94 IC96 IC97 IC98 IC503 IC505 IC507 IC508 IC509 IC515 IC516 IC520 IC522 IC524 IC526 -533 IC534 IC535 IC536 IC538 IC539 -541 IC802 IC803 IC804 IC805 IC806 IC807 IC808 IC809 PART NO.
A5000/A4000 REF NO. * * * * * IC810 IC811 IC812 -814 IC815 IC816 IC821 IC822 IC823 J99 JK1 JK800 JK801 JK802 JK803 L2 L11 -19 L26 -31 L802 L807 -826 L827 L828 RA1 -3 RA4 -6 RA7 -10 RA11 -14 RA15 RA16 -36 RA37 -53 RA95 RA500 RA502 RA511 RA512 RA515 RA516 RA519 RA520 RA523 -538 RA539 RA800 RA801 SW1 TH1 TR1 TR2 -12 TR800 TR802 X1 X2 X3 X4 X500 ZD1 -3 PART NO.
A5000/A4000 REF NO. * PART NO. UE066100 UF027220 UF027330 UF027470 UF028100 Cap. Cap. Cap. Cap. Cap. REMARKS (chip) (chip) (chip) (chip) (chip) 1 50V RV2 22 10V 33 10V 47 10V 100 10V UF037100 Electrolytic Cap. (chip) 10 16V UF037470 UF038100 UF047220 UF138220 UF148100 UF157470 UF167470 VR326200 Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap. (chip) Electrolytic Cap.
A5000/A4000 REF NO. 47.0K 0.1 J 100.0K 0.1 J 220.0K 0.1 J 1.0K 1/2 J 100.
A5000/A4000 REF NO. * PART NO. REMARKS VT119800 VB927800 VB928000 VP204400 AC Cord AC Cord AC Cord AC Cord J 7A 125V 3P 2.
A B C D E F G H I J K L M N O P Q A5000/A4000 OVERALL CIRCUIT DIAGRAM 1/ 3 (DM 1/ 2) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 : Mylar Capacitor : Ceramic Capacitor : Tantalum Capacitor 11 11 Note : See parts list for details of circuit board component parts.
A B C D E F G H I J K L M N O P Q A5000/A4000 OVERALL CIRCUIT DIAGRAM 2/ 3 (DM 2/ 2) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 : Mylar Capacitor : Ceramic Capacitor : Tantalum Capacitor 11 11 Note : See parts list for details of circuit board component parts.
A B C D E F G H I J K L M N O P Q A5000/A4000 OVERALL CIRCUIT DIAGRAM 3/ 3 (JK, RE, VR) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 : Mylar Capacitor : Ceramic Capacitor : Tantalum Capacitor 11 11 Note : See parts list for details of circuit board component parts.
A B C D E F G H I J K L M N O P Q A5000/A4000 CIRCUIT BOARDS 1 1 PNA CIRCUIT BOARD F1 F2 F3 F4 F5 F6 PLAY EDIT 2 RE CIRCUIT BOARD VR CIRCUIT BOARD 2 JK CIRCUIT BOARD REC ENC 5 DISK ENC 4 ENC 3 ENC 2 ENC 1 UTILITY INPUT-R Component side COMMAND / EXIT ASSIGNABLE 3 AUDITION 3 INPUT-L PHONES MASTER VOL Component side REC VOL CONT Component side Component side 4 4 Pattern side 5 DM CIRCUIT BOARD 5 L/MONO STEREO OUT R 6 6 L ASSIGNABLE OUT R 7 7 IN-A mLA
