Assembling The Keyboard Assembly - Yamaha P-85 Service Manual

P-85/P-85S
13.

Assembling the Keyboard Assembly

13-1
Hammer (White Key), (Black Key)
After applying grease to the bearing section of
the hammer, bring the hammer (white key) (black
key) sideways from the rear, fi t its bearing section
to the hammer axis of the key frame and pull it
forward until a click sound is heard. (Fig. 19)
* There are 8 hammer types differing in weight.
Be sure to check the type of the hammer for
correct installation. (See the table below)
Part Name Range for Applicable Tone Name
Hammer, W1
Hammer, W2
Hammer, W3
Hammer, W4
Hammer, B1
Hammer, B2
Hammer, B3
Hammer, B4
• Keyboard assembly
<Rear view>
Frame
13-2
GHL88L Circuit Board
Tighten the six (6) screws marked [260A] to fi x the
GHL88L circuit boards. (Fig. 15)
13-3
GHL88M Circuit Board
Connect the FFC cable to CN2 of the GHL88M
circuit board, attach the fi lament tape. (Fig. 16)
Pass the end of the cable into the through hole in
the frame and pull it out from its outlet. (Fig. 16)
Tighten the seven (7) screws marked [260B] to fi x
the GHL88M circuit board. (Fig. 15)
16
A-1 – F1
G1 – E3
F3 – D5
E5 – C7
A#-1 – F#1
G#1 – D#3
F#3 – C#5
D#5 – A#6
Hammer axis
Bottom side
Bearing section
Hammer, black key
Pull forward
Fig. 19
Apply grease
Hammer, white key