AVR 355 (serv.man2) - Harman Kardon Audio Technical Bulletin (repair manual)

avr 355 (serv.man2) technical bulletin
Model
AVR 355 (serv.man2)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
77.94 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Audio
File
avr-355-sm2.pdf
Date

Read Harman Kardon AVR 355 (serv.man2) Technical Bulletin online

 
 
harman/kardon
    
         Service Bulletin 
 
AVR254 AVR255 AVR354 and AVR355 
 
 
 
31.07.2008 
 
                               
                                                
 
Premium Solutions for Audio and Infotainment
 
 
Service bulletin # HK2008-002 
 
 
 
 
                                  
 
 
  
To:   
All harman/kardon Service Centers 
 
   Models: 
AVR254, AVR255, AVR354 and AVR355 
 
Subject: Fan 
Noise 
 
 
In the event you receive one of the above-mentioned AVR models with the complaint “FAN NOISE”, carry 
out the following modification.  
 
Parts: 220uF 16V 105C Electrolytic Cap (EC).   
 
 
Picture 1 
 
Picture 1a 
 
 
 
1.  Remove the top cover (13 screws) 
2.  Locate the FAN near the power supply (picture 1) 
3.  Remove FAN by removing the two screws for the FAN 
bracket (See picture 1a) (not needed to remove the screw 
on the bridge diode mounted on the FAN bracket) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picture 2 
 
 
 
 
 
 
 
 
4.  Place the FAN on top of the power supply (picture 2) 
 
 
 
 
 
 
 
 
5.  Detach and lift the part of the label where it covers the solder 
 
Picture 3 
joints on the FAN (See Picture 3) 
6.  Mount the 220uF 16V EC on the solder joint and make  
sure the minus of the EC is soldered on the joint were  
the black wire is mounted.  
7.  Place the label on the FAN again.  
8.  Glue the EC on the FAN as showed on picture 3 
9.  Remount the FAN with the two screws.   
 
 
Picture 3 
10.  Remount the top-cover  
11.  Confirm the unit can Power ON.   
 
 
 
 
 
 
harman/kardon
    
         Service Bulletin 
 
AVR254 AVR255 AVR354 and AVR355 
 
 
 
31.07.2008 
 
                               
                                                
 
Premium Solutions for Audio and Infotainment
 
 
 
 
 
  
 
Model 
Serial number 
Status 
Action 
AVR 254/120 
AN0084-01000 to 13600 
noticeable fan noise under 
a specific temperature 
Add 220uF/16V EC to fan 
VCC  
AVR 254/120 
AN0084-13601 and up 
Modified By Factory 
NONE REQUIRED 
AVR 255/230 
AN0085-01000 to 07901 
noticeable fan noise under 
a specific temperature 
Add 220uF/16V EC to fan 
VCC 
AVR 255/230 
AN0085-07901 and up 
Modified By Factory  
NONE REQUIRED 
AVR 354/120 
AN0086-0100 to 06801 
noticeable fan noise under 
a specific temperature 
Add 220uF/16V EC to fan 
VCC 
AVR 354/120 
AN0086-06801 and up 
Modified By Factory  
NONE REQUIRED 
AVR 355/230 
AN0088-01000 to 04401 
noticeable fan noise under 
a specific temperature  
Add 220uF/16V EC to fan 
VCC  
AVR 355/230 
AN0088-04401 and up 
Modified By Factory  
NONE REQUIRED 
 
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Here you can read online and download Harman Kardon AVR 355 (serv.man2) Technical Bulletin in PDF. AVR 355 (serv.man2) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Harman Kardon AVR 355 (serv.man2) 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.