QSC Pre1983 Products Service Manual

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Pre-1983 QSC Products Service Manual

QSC Parts Substitution Data

lodels A20 through 40

& A33 through 5.1

Power Alplifiers Specifications
lodel A2040 Series

Service Kanual

Eliminating turn-off transients in
QSC Anplifiers LBJ-A54

and A2040 Series Amplifiers
N35530 IC substitution
Bridged-mono operation of the

5.1 Power miifier

Service Infernation for

Power mlifiers 53.7, .2, 55.1
lodel 8.7 Power mlifier
Schenatic Diagran

lodel .2 Poser mlifier
Schematic Diagran

nodel 5.1 Power mlifier

Schematic Diagram

Iodel 12.2 Electronic Crossover
ScheIatic Diagram

Iodel X2.2,X1.2 Power Supply
Schelatic Diagran

lodel 5.01 Power mlifier
Service Instruction a

Schematic Diagran (P1323)
Troubleshooting (mart for

local .0

nodel £8.03 Feature m

Schelatic for

model £8.03 Power A!) Schematic
lodel A8.02 Lead Diagran

Service Mlletin 18.0 Poser mlifier

looel .11 Power mlifier
Service Instruction &

Table of Contents

Page]
1

3-28
29
29A
30
31-33
34

35

36
37

38

39
40

42
43
44
45

Schenatic Diagram ( PC8211.)

nodei 3.61 Power Alplifier
Service Instruction &

Schematic Diagram (PCBZIA)

lodel A3.6 [ALI POHer Alplifier
Schematic Diagram (PCBZIA)

Rolling residual bun in
lodels A3.6, 54.1, 8A5.0
Power Alplifiers

nodal .5 Power Alplifier

Page I

46

47

48

50

(A351, A362) Service Instruction & Schenatic

Diagram (P034193)

lodel 31.1 Electronic Crossover
Service Instruction 5

Schematic Diagram

lodel ALI Electronic Crossover
Service Instruction 8

Schematic Diagram (Kazan)

lodel 13.51 Power mlifier
Service Instruction 8
Schematic Diagram

Hodel n.0, X2.0, LO, E 8.50
Schematic Diagran

lodel XLO Kixer Service Intonation
I Schenatic

Bantu II Guitar Alplifier
Schematic Diagram

Sand Alp smenatic DiagraltPQZOJ)

Speaker protection in profewional
audio systels

52

54

55

56

57

58

60

62