Question about Marantz SR4600

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Marantx SR4600 Receiver

I began having problems with my receiver about a month ago. I would power it on and it would stay on for approximately 30 minutes and would go off. The length of time tha it will stay on has gradually reduced to the point that it goes off immeditely after you power it on. When you power it on "Main Vol." flashes accross the display. The unit is approximately 6 months old.

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Re: Marantx SR4600 Receiver

Some indication of power supply issue. if it is 6 months old. It should be still under warranty. Should it not?

Posted on Sep 07, 2007

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When i on marantz sr4600 it flashes check dsp rom, plz help me with this issue

The one that is heating up and shutting down could have a shorted output. Try removing all the speaker wires. If it still heats up and shuts down, it probably has a bad output stage.

On the one displaying the DSP ROM error, you may want to try a factory reset. using the following sequence:

Should the operation or display seem to be abnormal,
reset the unit with the following procedure.
The SR4600 is turned on, press and hold the
7.1CH INPUT and ATT buttons simultaneously for
3 seconds or more.

Jan 17, 2015 | Marantz SR4600

1 Answer

Onyko tx nr616 receiver keeps shutting off. Only stays on for approximately 3 seconds. Can you help?

The amp protection circuit has been activated. Remove the power cord from the wall outlet immediately. Disconnect all speaker cables and input sources, and leave the AV receiver with its power cord disconnected for 1 hour. After that, reconnect the power cord and reconnect an input and a pair of speaker wires onto the unit. If the receiver still does not turn on than you will have to bring it in for service. Turn up the volume and if the receiver doesn't shut down, power off the receiver and add another pair of speakers. Power up the unit again and turn up the volume. If it doesn't shut down, power off the unit again. Now connect all your input sources and turn on your receiver. If the unit shuts down again, your unit will need to be further serviced at an authorized Onkyo service center.

Sep 30, 2014 | Onkyo Tx-nr616 7.2 Thx Certified Network...

1 Answer

The wrong button was pushed on remote and I can't increase sound and/or switch from tv to cd and etc please help

The 'wrong' button?? Would it be one that switches the remote to talk to a different device?

Register and download the manual for free at

Then treat it like a new installation and guard the remote from unintentional key presses.

Look at every indicator on the receiver and evaluate what they mean and if/how they could affect your symptom.

Start at Page 7 to understand the remote.

May 12, 2011 | Marantz SR4600

1 Answer

We will be watching the tv or any other audio or video source and the receiver makes a "pop" and the audio goes out. If we are watching TV the picture stays on till I turn off the amp to reboot...

Sorry to say it, but you just need to get a new receiver. There is probably a capacitor going bad on the circuit board. It's only a matter of time before it quits completely. The only other option is to take it to a repair shop where it can be tested. Hope this helps.

Mar 19, 2011 | Audio & Video Receivers

1 Answer

Standby light is on but cant turn the unit on pressed the enter button and it flashes protect?? remote control has not worked for some time

Check the speaker wires for a short. If it does this with the speaker wires unhooked, it is in the receiver.

Feb 26, 2011 | Marantz SR4600

1 Answer

My Denon AVR-788 receiver switches off by itself after it has

If you've changed it's location or added speakers, or placed anything on top of it since the problem started then consider that it may just be over heating.

Dec 19, 2009 | Audio & Video Receivers

4 Answers

Onkyo receiver tx-sr606 7.1 displays no signal error on start up when running hdmi from ps3 & DVR through receiver. Components work perfect when hooked up directly to tv, & had worked through...

I’m writing this report to provide insight into a common Okyo issue. When my Onkyo receiver began to malfunction my first response was to search the web for answers. What I fond was conflicting information. While all system issue may be unique, I hope this report shed some light on the subject.

System Breakdown:
Receiver: Onkyo TX-SR606 7.1 Channel Home Theater Receiver (Black) TV: Samsung - LN52A750 - 52" LCD TV - 1080p
Broadcast: Comcast
Component 1: XBOX 360 Elite
Component 2: PS3 120GB
Cables: Mediabridge Ultra Series - 10ft High Speed HDMI Cable - Version 1.3 Category 2 - 1080p - Blu-Ray - PS3 - W/ Nylon Sleeve

When I first setup my Onkyo receiver it worked perfectly. Over time, my TV would display “Searching for Signal”. After about a few minutes the receiver would detect the XBOX 360 and work fine. At first it was no big deal until the problem progressed. The receiver began to take longer and longer to detect the signal from the XBOX 360. Finally it would take up to 30 minutes or would not detect a signal at all.

Finally I went through the process of changing out the HDMI cables and switching ports. This did not work, so I call Onkyo. They walked me through a reset process that did not work. Finally they recommended that I take it to an approved Onkyo repair shop. Lucky for me there is a repair shop in the suburbs of Chicago about an hours drive from my location. There are not many approved Onkyo repair shops. Most people would have to ship their receiver to another state.

I took the receiver to the repair shop. They seem to have a nice little scam going on… Here is the scam.. They tell you there is a 3 to 4 week wait time (or longer) until they can even look at your receiver! BUT, if you want to put it on the “Priority List” you can pay a $30 non refundable fee not covered by your warranty. Then you would only have to wait about a week. Tell me, who would not op for the priority list when your entire entertainment system is managed by the receiver?!?!? So I payed the $30. About 4 days later I get a call from the repairman. He says, all the HDMI ports work but they don’t have an XBOX 360 to hook it up to. So he can’t validate the problem. After arguing with him for an hour and listening to him cry about how crapy Onkyo receivers are and how hard the company is to work with, he agreed to do some research into the problem. I told him many times, simply look on the internet many people are having the same problem. Onkyo has to know something about this.

Finally about a week later I get a call from the repair guy. He says he thinks he knows what the problem is. He has to order some capacitors and I could pay $45 for priority shipping. Umm wait one minute, I already paid $30 for priority service now you want me to pay more for shipping? No thank you! Over time I simply rewired my system to work without the receiver and to tell you the truth I almost forgot about the receiver. Finally I got a call from the repair shop about 2 months later saying I could come pick up my receiver. I talked to the repairman. He said the following…

There are 4 capacitors that malfunction over time. It’s a common problem with Onkyo receivers. When the capacitors begin to malfunction you get intermittent signal response until it does not work.

He could not explain why the cable still worked (everything was hooked up with HDMI cables).

If you are experiencing this problem. I hope this helps save some time switching out cables and guessing why your system is not working.

- Antious

Nov 04, 2009 | Onkyo TX-SR606 Receiver

1 Answer

Immediate power off anfter turning on.

Just a further note..
Before you replace the fuses, (be sure to get an identical replacement, wouldn't want to start a fire), so you remember how long ago you began to have this problem, and, if you can recall anything that might have caused it?


Mar 25, 2009 | JVC RX-D301S Receiver

1 Answer

Receiver misinterpreting IR signals

There can be a few causes of this. Since it happens with a number of remotes, we can state that the problem is inside the receiver. In the front of the receiver (inside) you should see a small silver box. Inside that is the InfraRed receiver. This is a 3 pin device. Check to be sure that the pins have good solder joints. A bad joint can cause problems. Also, after the receiver comes what is called a digital switch. This is similar to a transistor except that it makes the transitions more steep, like a step rather than a ramp. If this part is bad you can get these results. The digital switch will be marked c124 (perhaps or somehting close).
Check these out and keep us posted.

Apr 09, 2008 | Sony STR-DA3ES Receiver

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