Yamaha disklavier MX-100B Instrukcja serwisowa - Strona 17

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6. Adjusting the key sensor unit

Adjust the height adjustment screws

white key is pressed 4.5 +/-0.5 mm.

• If ON is too soon (shallow) .... tighten the screw.

• If ON is too late (deep) .......... loosen the screw.

Procedure (from the condition of Piano Test)

(1) Press a key nearby the height adjustment screw.

(2) Slowly release the key.

(3) Adjust the position at which the buzzer stops (key off).

7. Adjusting the pedal sensor unit

Pedal sensor

Sensor bracket

Adjustment screw

* If the buzzer does not sound even when the test program is in Piano Test (old ROM version),

refer to the service manual and make adjustments using a MIDI instrument or a MIDI sensor

checker.

(four locations) so that the key sensor turns ON when a

Use the adjustment screw

the sensor so that it turns ON at the following

positions.

• Damper pedal.... when the damper felt is 1 mm

•Soft pedal .......... when 2—3 mm above the

Procedure

(1) Individually depress the damper and soft

Bottom sill

Pedal lever

(2) The buzzer will sound at the ON position.

Pedal lever hook

Key sensor unit

Height adjustment screw

Balance rail

Front rail

Key shutter

Keyboard

Key bed

above the string (near the

49th key).

hammer rail

• if ON is too soon ........ raise the sensor.

• if ON is too late .......... lower the sensor.

pedals, and make adjustments.

Adjust the sensor accordingly.

MX-100B

to raise and lower