Question about Harman Kardon AVR 70
Problem with Harman Kardon AVR-70II Turning on all by itself- I looked this up and (1) solution is listed below. My reciever resets,but it turns on when I input into LD or CD or VCR1... so, is my stand by power relay bad or whatd need to do? I unpugged all lines for 1hour,no solving this. *SOLUTION Owners Manual, Pg 18, TV Auto Function. "If a video feed is connected to the TV VIDEO IN jack during the installation, that signal is used to trigger system turn on. Even when the receiver is turned off, the presence of a signal at the TV VIDEO jack will automatically cause the receiver to turn on. As long as the signal is present, the receiver will remain on. When the TV or other source is turned off, the receiver will automatically return to a standby mode within 5 minutes." Try using another video input.
You must open the receiver in order to Test the relais for dirty contacts or faulty. Try to clean the contacts with contacts cleaner, or see any loose wires around and resolder the wires from coil
God bless you
Posted on Oct 12, 2013
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Posted on Jan 02, 2017
Followup on higlider's problem. Now it has to be turned on ten times before it stays on. Email from Harman Kardon only suggests taking it to an authorized repair shop. It is clear that it is not from speaker short or overheating, because it only happens when the rcvr is cold.
Posted on Jan 05, 2008
There is an internal reset switch mounted on the transformer board. Open the unit, look at the boards attached to the transformer, the pushbutton is facing up. Measure the voltage on the 2 pins of the switch. If it is a logic low, the switch is partially shorted. Replace the switch or just cut the jumper wire just below thw switch. When this switch fails, it constantly resets the receiver and stops it from powering up. It does not fix a protection mode problem.
Posted on Mar 04, 2010
Was a solution ever found for this? I have almost the same problem, except that mine makes a horrible sound through the speakers before it shuts off. However, after an attempt or two, mine usually starts working and sounds fine (I love how this thing sounds!). It seems to happen more when I've let it sit for a week or two. When I use it regularly, it usually works fine. It's almost like it knows when I'm about to give in and replace it... because it will start working again! Maybe I just need to make an effort to use it more....
Posted on Jun 11, 2010
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