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
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