Alesis QS Series User Manual

Alesis QS Series Keyboards Service Manual V1.00 85 11/19/06
11.00 INDEX
+
+5V, 7, 9, 10, 13, 16, 17, 18, 38, 67, 72, 75, 79
0
0.1(F capacitors, 7
¼
¼, 8
1
12.288MHz, 11, 32, 35
14MHz, 19
1MHz, 11, 18
2
20MHz, 19, 32, 35
3
3.072 MHz, 16, 17
38.4 KHz, 17
4
48KHz, 16, 17, 22, 47, 82
5
-5V, 7, 38, 67, 72, 75, 79
6
614.4KHz, 19
614.4MHz, 11
A
A0-A23, 9
ADAT, 22, 23, 82
Address Buss, 9, 10, 12, 13, 20
ADDRESS ERROR, 27
Alesis, ii, iii, v, vi, 1, 3, 5, 7, 12, 17, 23, 41, 48, 82, 83
Algorithm, 12
analog, 7, 8, 16, 17, 22, 23, 69, 73, 76, 80, 81, 82
analog output, 7, 8, 16, 17, 22, 23
analog signals, 7
anti-alias, v, 7, 8
ASIC, 16, 17, 27
audio, 9
Aux Output, 8, 16, 17
Aux outputs, 8, 16
B
balanced signals, 18
battery, iii, 7, 27, 68, 72, 75, 79
BAUD, 17, 19, 27
BICK, 16, 17
bit clock, 16, 17
BNC, 22
BRC, 22
buffer, 10, 12, 18, 42, 43, 44, 45
C
C1, 27
C13, 8, 71, 78
C14, 8, 76
C15, 7, 10, 71, 75, 78
C21, 16, 67, 73, 76, 80
C22, 16, 71, 76, 78
C24, 7, 73, 76, 80
C25, 7, 76
C26, 17
C28, 16, 33, 36, 73, 76, 80
C29, 16, 71, 76, 78
C3, 7, 11, 17, 41, 46, 67
C30, 8, 67, 73, 76, 80
C32, 7, 71, 75, 78
C33, 8, 73, 76, 80
C34, 7, 8, 73, 80
C35, 7, 8, 33, 36, 73, 76, 80
C36, 8, 33, 36
C42, 10, 69
C59, 10
C6, 17, 41, 46, 73, 76, 80
C7, 17, 41, 46
C77, 7, 75
C78, 7, 76
C8, 7, 17, 33, 36, 71, 78
C80, 7, 75
C81, 7
C82, 7, 75
C83, 7, 76
C86, 7, 75
C9, 1, 7, 73, 76, 80
C96, 7, 71, 78
cables, v, 17, 20, 23, 25
capacitor, 8, 38
CAS, 12
CAUTION, iii, 23
CD1, 9, 12
CD2, 9, 12
changes, 1, 3, 5, 9, 18, 32, 33, 34, 35, 36, 37, 38
Channel, 11, 16, 17, 45, 49, 50, 51, 52, 57
charge, ii, 7, 10, 38
chip select, 10, 13
clip, 14, 25, 26, 72, 76, 79
clock, v, 9, 11, 13, 16, 17, 19, 82
Column Address Strobe, 12
comments, ii, 67, 68, 69, 70
component I.D.s, 1, 3, 5
computer, 11, 17, 18, 19, 27, 82, 83
construction, 1, 14, 15
contact points, 13
corruption, 9
count, 17, 19
counterweight, 14
crystal, 9, 11, 32, 35, 68, 72, 75, 79
current, v, vi, 1, 5, 7, 8, 10, 11, 18, 21, 42, 45, 52, 83
cycled, 8, 38
D
D0-D16, 9
D1, 7, 8, 41, 46, 67, 71, 75, 77, 78
D10, 10, 32, 35, 74, 75, 81
D11, 7, 32, 35, 75
D12, 7
D15, 8
D2, 7, 41, 46
D3, 8, 10, 41, 46, 69, 74, 81
D4, 7, 16, 41, 46, 71, 75, 76, 78
D5, 7, 16, 41, 46, 76
D6, 10, 41, 46, 67, 74, 81
D7, 10, 41, 46
D9, 10, 71, 78
D-A, 16, 17, 82
DAC, v, 7, 8, 9, 12, 16, 17, 31, 69, 74, 76, 81, 82
DACs, 17
Data Buss, 9, 13, 21
data smoothing, 11
DataDisk, 8, 22
DD0-DD7, 13
DEMO, 23
Differential, 7, 8, 13, 16, 17
digital supply, 7, 16, 17
Digital-to-Analog Converter, 16, 17
discharge, 8
DRAM, 12, 21, 69, 73, 76, 80, 82
DSP, 11, 16, 17, 27
E
ECO 4 Transformer, 7
Enable, 9, 12, 13, 17, 18, 19, 47, 50, 51, 55, 56
End, 1, 3, 11, 14, 26, 33, 36, 41, 48, 68, 69, 73, 80
envelope, 11, 12, 56
EOPT_OUT, 12
EOPTOUT, 11
EPROM, 8, 20, 21, 30, 68, 72, 75, 79, 82
errors, 8, 20, 21, 22, 47
expanded keyboard, 3
EXTAL, 9
F
F1, 7, 41, 46
file, 8, 9, 33, 37
files, 8
FREQ, 19
frequency, v, 11, 17, 19, 53, 63, 66, 82, 83
front panel, 5, 10, 21, 25, 76
fulcrum, 14
further designs, 8
FX ASIC, 11, 12, 28
G
GAL, 10, 13, 31, 69, 73, 76, 80, 82
GND, 13, 17, 18, 32, 33, 35, 36, 37, 72, 78, 79
H
H8, 8, 10, 11, 12, 13, 16, 17, 18, 19, 20, 27, 29, 69,
73, 76, 80, 82
hammer, 3, 14
handshake, 17, 19
hardware, 8, 9, 10, 17, 18, 19, 20, 82
HSKO, 17, 18
HWR, 9
hysteresis, 18
I
I/O, 9, 10, 11, 12, 17, 20, 21, 22, 27, 82
improvements, 1, 3, 5
information, vi, 8, 11, 13, 19, 48, 83
initial state, 10
input filtered, 7
interface, 18, 19, 82, 83
Intermittent audio, 27
interpolate, 11
inverter, 8, 10, 16, 17, 27, 69, 73, 76, 80
isolation, 18
J
J1, 7, 8, 68, 71, 72, 75, 78, 79
J10, 11, 12, 71, 78
J11, 7, 67, 71, 75, 78
J12, 10, 27, 67, 72, 79
J13, 10, 27, 67
J14, 11, 67, 72, 75, 76, 79
J15, 7, 67, 72, 75, 79
J19, 27
J2, 7, 8, 68, 71, 75, 78
J21, 27
J22, 27
J4, 7, 8, 71, 78
J5, 8, 72, 79
J7, 10, 32, 35, 68, 75, 78
J8, 8, 10, 12, 72, 75, 79
J9, 8, 10, 67
K
key, 3, 10, 11, 13, 14, 15, 21, 22, 25, 26, 53, 67, 68,
69, 72, 73, 79, 80, 83
Keyboard, 1, 3, 5, 8, 11, 13, 14, 21, 22, 23, 25, 26, 27,
33, 34, 36, 37, 49, 50, 51, 52, 53, 56, 68, 71, 72,
78, 79, 83
keyboards, ii, 1, 5, 14, 23, 25
KEYCLK, 13
Keygroup, 12
KEYINT, 9, 13
keypad, 1, 3, 13, 67, 69, 71, 73, 75, 76, 78, 79, 80, 87
keys, 3, 5, 13, 14, 22, 25, 26, 72, 78, 79, 83
Keyscan ASIC, 9, 11, 13, 29
L
LCD, 27
left, 7, 8, 10, 16, 17, 21, 58, 59, 65, 68, 72, 73, 78, 79,
80, 89
levers, 14
LFO, 12, 53, 54, 82
Liquids, iv
lock ups, 9
Loop points, 11
LRCK, 16, 17
M
M2, 11, 19, 68, 72, 75, 79
M3, 19, 34, 37, 67, 71, 72, 75, 79
MAC, 9, 17, 18, 19, 21, 22, 27, 82
Main output, 7, 8, 16, 17
main outputs, 7, 8, 16
main PCB, 1, 3, 5, 7, 25, 27, 32, 33, 34, 35, 36, 37,
38, 71, 75, 78, 87
maintenance, ii, iii
MASK ROMs, 11
master keyboard, 3
memory, 10, 11, 12, 20, 27, 45, 47, 82, 83

Alesis QS Series Specifications

General

Multitimbral	16 parts
Oscillators	Sample-based
Effects	Reverb, Chorus, Delay, EQ, Distortion
Display	LCD
MIDI	In, Out, Thru
Memory	User Programs
Outputs	Stereo
Weight	11 kg