U25C, 19
U26, 19, 73, 76, 80
U26A, 19
U26C, 19
U27, 19, 74, 76, 81
U28, 19, 73, 76, 80
U29A, 19
U2A, 8, 18
U2B, 8, 19
U2C, 18
U2D, 18
U3, 8, 16, 17, 69, 73, 76, 80
U31, 7, 73, 75, 80
U31A, 18
U31B, 18
U31C, 18
U32, 7, 72, 75, 79
U3A, 7
U3B, 7
U3C, 8
U3D, 8
U4, 7, 8, 10, 17, 27, 67, 72, 76, 79
Alesis QS Series Keyboards Service Manual V1.00
U5A, 8
U5B, 8
U6A, 7
U6B, 7
U7, 10, 11, 27, 69, 72, 75, 79
U7A, 10
U7C, 10
U7D, 10
U7E, 10
U9, 7, 10, 27, 67, 68, 73, 76, 80
U9A, 11
U9B, 10
U9C, 10
U9E, 10
U9F, 11
UART, 19
uneven power, 8
user storage, 7
V
velocity, 11, 13, 22, 53, 54, 56, 83
87
voltage divider, 10
volume slider is, 8
W
Water, iii, iv
waveshaping, 18, 19
weights, 14
Wheel, 9, 10, 12, 21, 53, 54, 67, 68, 71, 72, 73, 78,
79, 80
WR, 13, 33, 36
WRite, vi, 9, 10, 12, 13, 21, 46, 47
Write Enable, 9, 12, 13
Writeable Control Store, 12
WRN, 12
X
X1, 7
XTAL, 9
11/19/06