Question about Harman Kardon AVR 225 Receiver
It works fine for a couple of minutes the starts to hum. If you turn up the volume it masks the noise but is till audible, also the video switching cuts out. after diexamining the components I have seen some heat discoloration in the power suply area and believe it to be power for the video board. disconecting the ribbon cable form the video board the hum goes away, and so does any video wich does'nt matter for me because my monitor does all the HD video switching. hope this may help with some noise problems.
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
SOURCE: Harmon Kardon AVR 235 no sound
Ensure that your speakers are connected to the terminals that you have your speaker selector switch turned to.
Then check that you have your device, whether it be a CD or DVD player, or turntable, plugged into the correct input and that you also have the correct input selected on the receiver.
Posted on Dec 30, 2009
The reason your receiver is causing you issues is cause of a 2 time Delay fuse's on the transformer board all you have to do is to by pass them.
Check the connector on the top front of the HDMI board. at the bottom of the connector it tells you the voltage of each wire the middle one is GND. should read 1.8v and 5.6v if the 5.6v line is dead. you key's in the front panel and sometimes video and audio as well.. will also stop working. all you have to do is to by pass them.
I will be posting a video later today on how to fix this issue. Regards,
Search for AVR 254/354 fix
Posted on Nov 03, 2011
Tips for a great answer:
Feb 17, 2008 | Harman Kardon AVR 630 Receiver
Dec 26, 2010 | Harman Kardon AVR 140 Receiver
Jan 28, 2009 | Harman Kardon AVR 25 MKII
Jan 23, 2008 | Harman Kardon AVR 225 Receiver
Jan 22, 2008 | Harman Kardon AVR 225 Receiver
Jul 02, 2007 | Harman Kardon AVR 325 Receiver
Jun 17, 2017 | Harman Kardon AVR 225 Receiver
Dec 31, 2010 | Harman Kardon AVR 225 Receiver
92 people viewed this question
Usually answered in minutes!
Level 2 Expert
Level 3 Expert
Level 3 Expert