Yamaha Silent Piano U1SG Manuale di manutenzione - Pagina 5

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2. Adjustment / Confirmation Items

Adjustment item

Lower Front Board removal

caution

Silent mechanism

Silent let-off adjustment

Sensor unit adjustment

Maintenance mode

Test mode

・Remove the switch box

・Disconnect three cables

・Check / adjustment

・Check / adjustment of hammer shank stopper

・Hammer shank stopping position adjustment

　 4.5 – 7 mm (Normally only checking)

・Checking pedal stroke

・Checking and adjustment of the shank stopper

height and width position

・Escapes at the shank stopping position :1 to 2mm

before shank stopping position.

・Key sensor unit adjustment

Gap between the bottom surface of black keys and the

upper surface of key sensor unit when pressing the black

keys to the lowest position : 3.8 to 4.0mm

・Adjustment of pedal sensor unit

・Program to adjust the detection position of the key sensor

and damper pedal sensor by measurement.

・Executes measurement after the key sensor adjustment.

・Program to check the detection position of the

key sensor and damper pedal sensor.

・Measurement result and adjustment status can be confirmed.

Description

Ref. page

⇒P.6

⇒P.7

⇒P.8

⇒P.11

⇒P.9-10

⇒P.10-11