PB12
TABLE OF CONTENTS
Safety Information ……………………………………………………….3
Basic Specifications ………………………………….………………….4
Detailed Specifications ………………………………………………….5
Controls and their Function …………….……………………………….6
Speaker Connection …………………….……………………………….7
Operation ………………………………….….………………………….10
Troubleshooting………………………………………………………….11
Test Setup and Procedure ……………………………….…………….12
Service Bulletin JBL 2001-03 ………………………………………….13
Service Bulletin JBL 2001-05 ………………………………………….14
Service Bulletin JBL 2001-07 ………………………………………….15
Exploded and Packaging ………………………………...…………….16
Amplifier Exploded View ……………………………………………….17
Amplifier Faceplate …………………………………..…………………18
Integrated Circuit Diagrams…………………………………………….19
Testing Procedure…………………………………….…………………20
Electrical Parts List (PCB version 6.3 – 7.0)………………………….23
Electrical Parts List (PCB version 7.2) …………………………..……28
Printed Circuit Boards (PCB version 6.3 – 7.0)…… ……...…..…….32
Printed Circuit Boards (PCB version 6.4)………..… ……...…..…….35
Printed Circuit Boards (PCB version 7.2)…… ……...……………….36
Schematics
Preamp (PCB version 6.3 – 7.0)…………………… ………….39
Power Amp (PCB version 6.0 – 6.3)…………..……………….40
Power Amp (PCB version 7.0)………………………………….41
Preamp
(
PCB version 7.2)…………………………….. ……….42
Power Amp (PCB version 7.2)………………………………….43
Summary of Contents for PowerBass PB12
Page 3: ...PB12 3 SAFETY INFORMATION ...
Page 4: ...PB12 4 BASIC SPECIFICATIONS PB12 Subwoofer ...
Page 5: ...PB12 5 DETAILED SPECIFICATIONS PB12 Subwoofer ...
Page 20: ...PB12 20 Testing Procedure ...
Page 21: ...PB12 21 Integrated Circuit Diagrams Cont ...
Page 22: ...PB12 22 Integrated Circuit Diagrams Cont ...
Page 32: ...PB12 32 PB12 PCB s version 6 3 ...
Page 33: ...PB12 33 PCB s version 6 3 Cont ...
Page 34: ...PB12 34 PCB s version 6 3 Cont ...
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