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Yamaha DX11 Service Manual

Yamaha DX11
60 pages
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Yamaha DX11 Specifications

General IconGeneral
Synthesis TypeFM
Polyphony8 voices
Keyboard61 keys
MIDIIn/Out/Thru
Year Released1987
Algorithms8
Oscillators4 operators
LFO1 LFO
OutputsStereo Output
Timbrality8-part multitimbral

Summary

Important Service Notices

Product Specifications

Panel Layout Overview

Front Panel Layout

Details controls and indicators on the front panel.

Rear Panel Layout

Details connectors and ports on the rear panel.

Circuit Board Layout

System Block Diagram

Disassembly Procedures

Test Program Functions

LSI Data Tables

IC Block Diagrams

Error Messages and Codes

Cartridge Errors

Lists and explains messages related to cartridge operations.

MIDI Errors

Lists and explains messages related to MIDI communication.

Cassette Errors

Lists and explains messages related to cassette data handling.

Store Errors

Lists and explains messages related to data storage.

MIDI Implementation Chart

Circuit Board Details

DM Circuit Board

Details the DM circuit board components and layout.

PN-A, PN-B, BC & AD Circuit Boards

Details PN-A, PN-B, BC, and AD circuit boards.

AD and JK Circuit Boards

Details AD and JK circuit boards.

KS Circuit Board

Details the KS circuit board.

MIDI Data Format

Reception Block Diagram

Illustrates the MIDI data reception process.

Performance Mode Data Format

Details MIDI data format for performance mode.

Single Mode Data Format

Details MIDI data format for single mode.

Reception Conditions

Explains conditions for MIDI data reception.

Transmission Conditions

Explains conditions for MIDI data transmission.

MIDI Channel Messages

Transmission Details

Explains transmission of MIDI channel messages.

Reception Details

Explains reception of MIDI channel messages.

Connection Diagram

Shows keyboard unit and tone generator connection.

System Exclusive Messages

Parameter Changes

Details how to change system parameters via SysEx.

Data Operations (Bulk Dump & Request)

Covers bulk dump and request operations for voice and system data.

System Common Messages

System Realtime Messages

Parts List

Electrical Parts

Lists electrical components with part numbers and descriptions.

Overall Assembly Diagram

Keyboard Assembly Details

Wheel Assembly Details

Overall Circuit Diagram

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