Yamaha Disklavier MPX100II Service Manual - Page 2

Browse online or download pdf Service Manual for Musical Instrument Yamaha Disklavier MPX100II. Yamaha Disklavier MPX100II 44 pages. Upright piano

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The DISKLAVIER silent piano MPX100II is essentially the same as a MX100II, with an additional silent

function.

This service manual describes only the different part from the MX100II.

You must have the MX100II service manual(008659) before servicing this unit.

For the following sections of the service manual, please refer to the MX100II service manual (008659).

Main content:

Formatting floppy disk

Panel layout

Controller front panel, Remote control

LCD error messages

Disassembly procedure

Upper front board, Lower front board, Action unit, Control unit, Controller board, FDD unit, Key

sensor unit,PK-CTL circuit board, Drive A circuit board, Drive B circuit board, Drive C circuit board

Plunger assembly, Coil assembly, Pedal drive unit, PS assembly

Sensor output voltage(Pedal drive unit) adjustment.

LSI pin description(except the LSIs in MN circuit board and Motor drive circuit board)

IC block diagram(except the ICs in MN circuit board and Motor drive circuit board)

Circuit boards

CONTROLLER, 7 SEG LED, POWER SWITCH, CTRL-OUT, CTRL-IN, PANEL SWITCH,

HAMMER EMISSION, KEY RECEIVE, KEY EMISSION, DRIVE A, DRIVE B, DRIVE C, POWER

SUPPLY unit

Parts list

Mechanical parts

KEY SENSOR UNIT, KEY DRIVE UNIT

Electrical parts

Circuit boards(CONTROL OUT, CONNECTION, PANEL SWITCH, HAMMER EMISSION, KEY

RECEIVE, KEY EMISSION, DRIVE A, DRIVE B, DRIVE C), POWER SUPPLY UNIT

CONTENTS

008564

MP100II

MIDI IMPLEMENTATION CHART

PARTS LIST

YAMAHA CORP.

HAMAMATSU, JAPAN

1.7K-324

Printed in Japan '95.9