The unit keeps switching to standby mode after a few minutes of playing music through our apple tv
SOURCE: Problem with Marantz SR5500 Receiver
Sounds like you have an issue with your electrical circuit. Your receiver could be receiving spikes of current from the electrical wiring in your house.
Review your current electrical situation. Keep in mind that certain outlets are on the same circuit and that running multiple, high-wattage devices on the same circuit can cause issues with some of those devices. Especially when it comes to turning devices on and off.
Many devices take a sudden, rapid charge to power their circuitry the moment you turn the device on. Home audio and HVAC systems are particularly notorious for doing this. Other devices on the same circuit can sometimes suffer influxes of power flow and may either turn off or go into standby mode to protect themselves from the resulting surges.
I've lost audio systems that way... I lived in an apartment building that has wiring most likely dating back into the 40's. I once turned on a space heater on it's max 1500 watt setting and blew my Logitech Z-680 speakers. (The "BOOM" sound that emitted from my subwoofer was AMAZING. I had just blown an amp circuit. It literally exploded inside of the subwoofer. Took pics and everything.)
If you have the means to do so... You might consider re-wiring your electrical circuit. Take into consideration where you're going to run certain devices and wire the system accordingly.
In the meantime, you would want to be sure to buy a HIGH-QUALITY surge protector for the audio system. Spend a few bucks and get a GOOD one with a good warranty on it. Don't use those cheapy ones that we only really use to split the outlet. NOTHING under 1,000 joules.
My receiver sometimes locks itself like that, though. If we have a power outage or the unit is unplugged suddenly, it will keep itself in standby mode until you unplug it, press the power button a few times to discharge any current left in the capacitors and plug it back in normally. Only then will it turn on again.
Let me know what you come up with.
Cyryl
SOURCE: marantz sr7200
Most likley, if I'm right, you have heard some staitcy, crackly noises, accompanied with this failure. If so, the problem is without a doubt on the D.S.P. board, witch is the one with the optical jacks on it, The culprits would then be I.C. 719 & I.C. 720. This is a common problem with this model, and the sr6200 & 5200 as well. A low tech method to confirm this is to touch IC 720 (the smaller one) while it's on. If you can keep your fingertip on it for at least ten seconds, it's ok, and the problem is elsewhere. If not, (IT WILL BE VERY HOT) the the board must be removed (27 screws from left to right) and replace BOTH IC719 & IC720.
SOURCE: marantz SR8001fail to standby mode, will not reset
Test all your speaker impedances and check for shorts on both wiring and speakers. Use a digital multimeter. If you still have an issue, disconnect all speakers and test receiver. If you still have a problem, post a comment and I can help some more.
SOURCE: what would work better for Marantz SR 4200 Apple
Component Video is a big step up the food chain in quality. Component Video inputs are for video only, not for audio. I don't see Component Video inputs on the Marantz SR-4200; only Composite and S-Video. S-video would be a step up from Composite and it carries analog stereo sound.
You don't give any clues as to the source's audio capabilities.
Digital Audio of either flavor is preferable. Grab the best possible TV-related audio from your Cable/Satellite box to the Marantz and run a pair of RCA audio cables to your TV just in case you want to watch the weather channel without hi-fi sound.
SOURCE: Hi, my Marantz sr8001 is
Mine is doing the exact same thing! All I want to do is get it OUT of standby mode!
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