Roland PX-7B Service Notes page 7

Oct. 2013
Regarding Hammer Placement
Hammers that have differently shaped metal and plastic portions are arranged as shown in the figure below. When replacing, be very careful not to position the
hammers incorrectly.
*Installation at an incorrect location may impede key touch.
fig.key-hammer-1-e.eps
fig.key-hammer-2-e.eps
Natural Key
Sharp Key
The colors of the plastic portion differ.
White key = white
Black key = black
Refer to the photos in the chart below.
A0 F#2
PX-7 N-KEY HAMMER-2
PX-7 N-KEY HAMMER-1
#5100016252
#5100016251
#5100048710 #5100048711
PX-7 S-KEY HAMMER-1 PX-7 S-KEY HAMMER-2
#5100016255 #5100016256
#5100048714 #5100048715
The shape of the metal part differs according to the
frequency range.
Verify by comparing the stamp on the part surface
against the chart below.
F4
G2 E4
PX-7 N-KEY HAMMER-3
#5100016253
#5100048712
PX-7 S-KEY HAMMER-3
#5100016257
#5100048716
PX-7B, PX-7C
D#6 C8
D6
PX-7 N-KEY HAMMER-4
#5100016254
#5100048713
PX-7 S-KEY HAMMER-4
#5100016258
#5100048717
7