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Cerwin-Vega Manuals
Amplifier
A-400
Service manual
Table Of Contents - Cerwin-Vega A-400 Service Manual
Power amp
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Table of Contents
Table Of Contents
2
A-400 Specifications
3
Required Test Equipment
4
Before Starting
4
Note To Reading Schematics
5
A-400 Circuit Description
6
Drive Circuitry
6
Output Stage
6
Protection Circuit
6
A400 Block Diagram
8
A-400 Alignment Points And Pcb Location
9
A-400 Bias And Dc Offset Adjustment
10
Initial "Common Sense" Trouble Shooting
11
A-400 Protection Circuit Problems
12
Output Stage Problems A-400
14
Chassis Assembly A-400
15
Transistor Grading (Assy 11102, Assy 11103, Assy 11104)
16
A-400 Composite Schematic Diagram
17
Drive Pcb Assembly
18
Schematic Assy 8102 A-400 Drive Board
19
Output Pcb
20
Output Schematic Board Assy 1103 A-400
21
Protect Pcb Assembly A-400 And A-600
22
A-400 Protect Schematic Board Assy 1104
23
Input Pcb Assy
24
Input Relay Schematic Board Assy 1105 (A-400)
25
Led Pcb Assy
26
Led Pcb Schematic Board Assy 11108-1
27
Service Addendums - A-400 Protect Pcb
28
Parts List
30
Transformer Assembly A-400
30
Drive Board A-400
31
Ac Power Wiring Harness A-400
33
Protect Harness A-400
34
Input Pcb A-400
35
Output Pcb A-400
36
Protect Pcb A-400
38
Led Pcb A-400
40
Chassis A-400
41
Front Panel A-400
43
Ground Plate Assembly A-400
44
Heat Sink A-400
45
Final Assembly A-400
46
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