AVR 20MK II - Harman Kardon Audio Technical Bulletin (repair manual)

avr 20mk ii technical bulletin
Model
AVR 20MK II
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
10.45 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Audio
File
avr-20mk-ii.pdf
Date

Read Harman Kardon AVR 20MK II Technical Bulletin online

harman/kardon
     Service Bulletin
Service bulletin # 9601 -January 1996
Warranty labor rate: MINOR repair
To: All harman/kardon Service Centers
Models:AVR-20/AVR-20II Surround receiver/amplifier
             AVR-25/AVR-25II
Subject: Poor or intermittent reception of FM
_____________________________________________________________________________________
In the event you receive a unit from a consumer with a complaint “FM cuts out intermittently” use the
procedure listed below in addition to the procedure listed in the service manual for FM alignment.
To supplement the manual, for FM center tuning alignment follow these procedures;
AVR20/AVR20II
Alignment
Equipment
 settings
Adjust
Adjust
For
Quadrature
Tune to a known strong FM
station around center of the
band (98.1MHz)
T803
0 VDC across R809, confirm by tuning to
another strong station.
Repeat step 1 in service manual for minimum distortion. Repeat both steps again for optimum sensitivity.
*note: step #4 in AM  IF states adjustment point VR802, should be VR801
           step #2 in FM IF states adjustment point VR801, should be VR802
AVR25/AVR25II
Alignment
Equipment
 settings
Adjust
Adjust
For
Quadrature
Tune to a known strong FM
station around center of the
band (98.1MHz)
T903
0 VDC across R914, confirm by tuning to
another strong station.
Repeat step 1 in service manual for minimum distortion. Repeat both steps again for optimum sensitivity.
harman/kardon Incorporated, 80 Crossways Park West, Woodbury, New York 11797 (516) 496 3400
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Download Harman Kardon AVR 20MK II Technical Bulletin

Here you can read online and download Harman Kardon AVR 20MK II Technical Bulletin in PDF. AVR 20MK II technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Harman Kardon AVR 20MK II 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.