DOWNLOAD JBL PB 12 (serv.man11) Service Manual ↓ Size: 11.88 KB | Pages: 1 in PDF or view online for FREE

Model
PB 12 (serv.man11)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
11.88 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
Audio
File
pb-12-sm11.pdf
Date
PREV: JBL PB 12 (serv.man10) Service Manual / Technical Bulletin

JBL PB 12 (serv.man11) Service Manual / Technical Bulletin ▷ View online

JBL Incorporated                     250 Crossways Park Dr.   Woodbury, New York   11797
Service
Bulletin
Service Bulletin JBL2001-07 Rev1 - February 2002
This is considered a Minor repair
 To:
All JBL Service Centers
 Model: PB12 (Revision 1 only)*
 Subject: Possible Missing Diode D4
In the event you receive a  PB12 subwoofer for any servicing  reason, check for the presence
of diode D4 on the Main PCB close to the Power Amp Module (see illustration). If D4 is missing
or has been  “cut out” of the circuit, it should be replaced; add JBL part# 50115.  Observe
polarity.
Note: The presence or absence of D4, in itself, does not contribute to, or solve, an amplifer failure.
Purpose of D4 is to reduce the possibility of an occasional Turn-OFF pop noise.
Reference for general location only; all parts or designators may not conform exactly to this drawing.
*  Revision 1 of the PB12:
Amplifier faceplate says “Made in Canada”; Amplifier serial number starts with “AM”
Black (or silver) potted, non-serviceable S64AMI output module.
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JBL PB 12 (serv.man11) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD JBL PB 12 (serv.man11) Service Manual ↓ Size: 11.88 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the JBL PB 12 (serv.man11) in PDF for free, which will help you to disassemble, recover, fix and repair JBL PB 12 (serv.man11) Audio. Information contained in JBL PB 12 (serv.man11) Service Manual / Technical Bulletin (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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