Equipment information

Yamaha A4000 Effect Processor
Manufacturer:
Model:
A4000
Date:
2000
Category:
Group:
Description:
Proffesional Sampler

Information

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 board is installed) Input/output DIGITAL connectors S/P-DIF (coaxial) OPTICAL connectors S/P-DIF (optical) Input frequency 48 kHz, 44.1 kHz, 32 kHz Output frequency 44.1 kHz Sampling frequency Analog input 44.1, 22.05, 11.025 kHz, 5.5125 kHz (mono and stereo) Digital input (only when AIEB1 I/O expansion board is installed) 48 kHz, 44.1 kHz, 32 kHz external synchronized recording (stereo only) 1/2, 1/4 and 1/8 undersampling is supported Internal sample memory capacity Standard 4 Mbytes (installed on-board) Maximum 128 Mbytes (When four 32 Mbyte 72 pin SIMM modules are installed. The on- board 4 Mbytes are unused only if memory has been expanded to the maximum.) Sampling time Maximum sample length 32 Mbytes monaural 64 Mbytes stereo Maximum sampling time (mono or stereo) 6 minutes 20 seconds (44.1 kHz) 12 minutes 40 seconds (22.05 kHz) 25 minutes 21 seconds (11.025 kHz) 50 minutes 43 seconds (5.5125 kHz) Effects 6 effect blocks (3 on the A4000) Total Equalizer (4 bands) Sample Equalizer Program 128 program Sequencer Real-time recording and playback Front panel POWER switch INPUT L,R jacks (phone x 2) REC VOLUME (L& R shared) MASTER VOLUME (L&R shared, STEREO OUT & PHONES shared) PHONES OUTPUT jack Knobs (1 - 5) Mode buttons (PLAY, EDIT, REC, DISK, UTILITY) Function buttons (six buttons) COMMAND/EXIT button ASSIGNABLE button AUDITION button LCD (320 x 80 dot, LED backlight) LCD contrast control 3.5" 2HD/2DD dual mode floppy disk drive Rear panel STEREO OUT L/MONO, R (phone jack x 2) ASSIGNABLE OUT L, R (phone jack x 2) MIDI IN-A/B, OUT, THRU-A/B (IN, OUT, THRU on the A4000) SCSI (half-pitch, 50-pin) Expansion board slot Power Supply connector (AC inlet) Fan Dimensions Two-space rackmount unit W 480 mm x D 461 mm x H 90 mm (18-7/8” x 18-1/8” x 3-9/16”) Weight 8.0 kg (17l bs 10 oz) Included items Power cable x 1 CD-ROM set (See the separate “Guide for the Accompanying Disks” booklet) FD x 4 Power Cable for Internal Hard Disk (long) x 1 Power Cable for ZIP Drive (short) x 1 SCSI Cable for Internal Hard Disk x 1 IDE Cable for Internal Hard Disk x 1 Owner’s manual x 1 Options (made by Yamaha) AIEB1: I/O expansion board Internal expansion devices (made by other manufacturers) Expansion memory (use a pair of identical-size 72pin SIMM modules of the following types) Access time 70 ns or less Bit Width x 32 (no parity) or x 36 bit (parity) Fast Page or EDO, JEDEC standard. Capacity 4 megabyte/8 megabyte/16 megabyte/32 megabyte Internal hard disk drive (3.5 inch) performance requirements Interface 50-pin SCSI or 40-pin IDE Power supply +5 V maximum 840 mA +12 V maximum 2400 mA Internal ZIP Drive Interface 40-pin IDE (ATAPI) Power supply +5 V 0.8 A

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Service Manual
Manual Type:
Service Manual
Pages:
61
Size:
8.23 Mbytes (8631893 Bytes)
Language:
english
Revision:
Manual-ID:
SY 011491
Date:
2000 01 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2017 10 25
MD5:
c41e3f1f4f3a287e223815eaecfa72e0
Downloads:
1041

Information

SPECIFICATIONS ... 3 PANEL LAYOUT ... 4 CIRCUIT BOARD LAYOUT ... 5 BLOCK DIAGRAM ... 6 DISASSEMBLY PROCEDURE ... 7 LSI PIN DESCRIPTION ... 10 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

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