My Harman Kardon AVR 135 6.1 has a problem in its system power control. Power does not come in when I select the power button in the unit or thru the remote control. it is always in the standby mode.
I don't know why, neither I didn't touch anything why it doesn't power on.
My unit is just almost a year after my husband bought it in Dubai and I am here in the Philippines, I don't know where to get it fix since the brand is not coomon here in our country, that's why I seek for help from you.
This unit is very expensive and I hope I can get some help or assistance from you even thru the internet what I must do about it.
I already followed and do the trouble shoot guide from the manual. but still did't fix it myself.
Please help me...
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anything that works well is always worth investigating for a repair
it could be a simple fuse for that side amplifier, loose , broken speaker wire
have it checked out and then decide if it is worth repairing
There are many reasons this may happen, but without having the unit on the bench, it will be hard to tell. It may be oscillating, which would make that sound. I worked as a Technical Support Specialist for Harman Kardon. If you are interested in repairing your HK, please visit my website at audioserviceclinic.com. Thank you.
connect tv video in to kardon video out (tv audio in to kardon audio out) dvd audio and video out to kardio audio video in. and if you what to record also signal from tv. make a cable from tv audio / video out to kardon audio / video in.
The switching on this unit is done electronically via computer commands to the switching IC. I would guess that there is a problem with the power supply such that either the 5V line is too low (less than 4,4V) or that there is AC noise on the DC line. Any shop that handles audio equipment should be able to determine the problem with a few internal measurements. Typical parts costs for a repair of this type should be under $20.