AVR 635 (serv.man8) - Harman Kardon Audio Technical Bulletin (repair manual)

avr 635 (serv.man8) technical bulletin
Model
AVR 635 (serv.man8)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
127.14 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Audio
File
avr-635-sm8.pdf
Date

Read Harman Kardon AVR 635 (serv.man8) Technical Bulletin online

 
 
harman/kardon
    
         Service Bulletin 
 
AVR 435/635  
 
 
Aug 
2007 
 
                               
                                                
 
 
Service bulletin # HK2007-002 
 
 
 
 
 
                                  
 
 
  
To:   
All harman/kardon Service Centers 
 
   Models: 
AVR 435 and 635 
 
Subject: 
Unit freezes or blocks 
 
 
In the event you receive an AVR 435 or AVR 635 with the complaint: “The unit freezes or blocks” perform the 
following modification.  
 
Establish new ground connection on regulator board. 
 
1.  Remove top cover. 
2.  Locate regulator board on top of the main heat sink. 
3.  Solder a wire on existing jumper J301 to connect to chassis ground screw as shown on picture below.  
4.  Loosen ground screw. 
5.  Place the wire underneath the ground screw and tighten screw. 
6.  Remove any lacquer from the screw with sand paper or small file to allow for solder to adhere. 
7.  Join the screw and the wire with solder. 
8.  Replace top cover and test unit 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Model 
Serial number 
Status 
Action 
AVR 435/230 
All 
Unit freezes or blocks
 
Establish new ground 
connection wire 
AVR 635/230 
All 
Unit freezes or blocks
 
Establish new ground 
connection wire 
 
Display

Download Harman Kardon AVR 635 (serv.man8) Technical Bulletin

Here you can read online and download Harman Kardon AVR 635 (serv.man8) Technical Bulletin in PDF. AVR 635 (serv.man8) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Harman Kardon AVR 635 (serv.man8) Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.