Harman Kardon AVR320 Service Manual page 20

AVR320
harman/kardon
Service bulletin # H/K2002-07 October 2002
To: All harman/kardon Service Centers
Model: AVR320
Subject: Intermittent Output
In the event you receive an AVR320 receiver with the complaint "There is intermittent output from the
receiver", follow the instructions below:
All sources, all modes may be affected, using any audio connections; unit may also not turn off with the system
power control.
1) Turn the unit on it's side so the bottom panel faces you, and the access cover (grille) is at the top. Remove
the (9) Phillips screws holding the access cover on; one "foot" will come off with the cover.
2) Locate and inspect all soldered connections on the Main PCB, particularly in the area of connector CN411
and CN410, the 15 pin horizontal foil patterns (see illustration).
3) Repair as needed with solder or buss wire.
4) Test the unit, replace the access cover (grille).
SERIAL NUMBER
MODEL
All serial numbers
AVR320
120V
Connections may need
repair or re-soldering
affected
Service Bulletin
Warranty labor rate: MINOR repair
STATUS
Check for broken connections and sufficient solder
20
harman/kardon
ACTION
on Main PCB