Table Of Contents - JBL PowerBass PB10 Service Manual

PB10
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 2001-04 .............................................................14
Tech Tip JBLTT2003-04....................................................................17
Exploded View/Packaging ..................................................................18
Amplifier Exploded View ...................................................................19
Amplifier Faceplate/Access................................................................20
Integrated Circuit Diagrams................................................................21
Testing Procedures...........................................................................22
Block Diagram Revision 2..................................................................29
Electrical Parts List (PCB version 6.3 - 7.0).................. ........................30
Electrical Parts List (PCB version 7.2) ..................................................34
Electrical Parts List Revision 2............................................................38
Printed Circuit Boards (PCB version 6.3 - 7.0)...... .................................41
Printed Circuit Boards (PCB version 6.4).............. .................................44
Printed Circuit Boards (PCB version 7.2)...... ........................................45
Schematics Version 1
Preamp (PCB version 6.3 - 7.0).................. ............... .............48
Power Amp (PCB version 6.3)..................... .............................49
Power Amp (PCB version 7.0)...................................................50
Preamp (PCB version 7.2).............................................. ..........51
Power Amp (PCB version 7.2)..................... .............................52
Schematics Version 2........................................................................53
PB10 - DIFFERENCES IN REVISION 1 AND REVISION 2
REVISION 1
Amplifier faceplate says "Made in Canada"
Amplifier serial number starts with "AM"
Black (or silver) potted, non-serviceable output module
BOTH VERSIONS OF THESE AMPLIFIERS ARE NOT CONSIDERED INTERCHANGEABLE; THEY ARE NOT A
DROP-IN REPLACEMENT IN THE CABINET OF THE OTHER VERSION.

TABLE OF CONTENTS

REVISION 2
Amplifier has main power switch
Amplifier serial number starts with "HA"
Output transistors in the open, on a large black heatsink
Large plastic cup enclosing the rear of the amp assembly
Main PCB, bottom, solder-side contains all SMD devices
"Made in Mexico" label on outer part of cabinet