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General| Brand | Yamaha |
|---|---|
| Model | disklavier MX-100A |
| Category | Musical Instrument |
| Language | English |
Crucial procedures to prevent injury and equipment damage during servicing.
Ground yourself to prevent static damage to sensitive components.
Always turn off power before disassembly and verify work before re-applying power.
Step-by-step guide for formatting floppy disks.
Lists transmitted and recognized MIDI messages and their compatibility.
Addresses common MIDI connection issues like no sound, delayed notes, and pitch discrepancies.
Explains LCD warnings and error messages and their causes/solutions.
Detailed descriptions for error numbers displayed on the 7-segment LED.
Step-by-step guide for removing outer casing and internal action parts.
Adjustments for key drive unit positioning and key stop rail height.
Adjusting pedal drive unit wire length and pedal cushion unit.
Adjusting the pedal cushion unit for correct pedal rebound and engagement.
Settings and procedures for adjusting sensor units, including hammer sensors.
Adjusting key sensor height and pedal sensor units for proper operation.
Performing operational tests using a test disk for various components.
Tests key solenoid unit for noise, voicing, and basic operation.
Tests sound generation during trills and pedal efficacy via repeated activation.
Tests damper pedal noise and performs a comprehensive system demonstration.
Tests recording and playback functions to identify defects by symptom.
Explains I/O board LEDs indicating abnormal operation and their error circuits.
Adjusting the trimmer for optimal piano action and keyboard response.
How to enter/exit TEST mode and view version information.
Tests for 7-segment LEDs, LCD, and buzzer functionality.
Tests piano playback system and DRAM/FDD operations.
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