Alesis QS7.1 Service Manual download pdf (Page 94)

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

0.1(F capacitors, 7

¼, 8

12.288MHz, 11, 32, 35

14MHz, 19

1MHz, 11, 18

20MHz, 19, 32, 35

3.072 MHz, 16, 17

38.4 KHz, 17

48KHz, 16, 17, 22, 47, 82

-5V, 7, 38, 67, 72, 75, 79

614.4KHz, 19

614.4MHz, 11

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

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

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

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

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

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

GAL, 10, 13, 31, 69, 73, 76, 80, 82

GND, 13, 17, 18, 32, 33, 35, 36, 37, 72, 78, 79

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/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

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

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

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

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

1 2 ... 89 90 91 92 93 94 95 96 97

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Alesis QS7.1 Service Manual Page 94

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