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Marantz SR7000 None of the buttons on panel work. Unit resposes to the remote control. Keys line to microprocessor are not shorted. I suspect bad system control IC. I need code or keys sequence to reset the unit before I replaced the system control IC. Can anybody help me. ThanksP.S. I don't have a service manual for this model. I do have a huge library of sevice manuals from most of the other major brands. Let me know if anyone want to trade service manual with this model.

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Posted on Jan 02, 2017

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SOURCE: How to connect turntable Technics


Most recievers should have Phono Jacks labled on the back. That is where my Turntable an (MCS made by Technics but was sold under the J. C. Penneys name) connects on my JVC. I have 2 JVC 's One is old (1972) and one is new. Both of them have Phono jacks. Phono stands for Phonograph. This is an old term for turntables. The jacks should accept RCA patch cords. Good luck.

Posted on Apr 21, 2008

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SOURCE: Marantz SR5200 receiver works only with remote not manually

Check for a stuck/jammed switch, press each switch if one doesn't make a normal click sound or it doesn't move at all that's your problem.
If that's not it check the owners manual for how to reset the receiver (not all manuals will tell you how to reset it) Another way to reset it is to short the memory cap, but that is better left to a tech.

Posted on Feb 13, 2009

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SOURCE: I have a MARANTZ SR7000

Not sure that this will be possible, direct source will cut out any changes made by the amp, and as a cd is 2 channel stereo, it wont include the subwoofer. Try some of the other settings with direct source mode.

Posted on May 03, 2011

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Visio E3D420VX Remote Control Does Not Work


If the remotes have been tested and ruled out and do not work at even very close range to the set I would suspect the remote receiver in the set is bad---

It is of course inside the set but has to be up front somewhere with a lens--not very large.

Understand that both the remote and the front buttons(or side) both go to the same place inside the set with the manual ones having priority over the remote===remote signal is infrared and is translated inside the set---both that signal and the buttons go to the microprocessor which does the actual work.

If remotes are good something between the lens on the receiver and the micro is bad, the receiver is the common failing point. Not really a lot of parts from where the signal comes in until the micro.

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My controller for my Insignia tv works but not the buttons on the tv itself


The buttons and the remote actually go to the same place inside the set.

I would suspect one of two things is wrong:

The set (owner manual?) may have a keyboard lockout feature set with the remote by accident.

The keyboard may be unplugged or not connected inside.

Better hope it is one of these as if not the set has a problem on the line inside from the keyboard to the microprocessor unit in the set.

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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.

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Freezes


Leave it unplugged for 24 hours. Sounds like the failsafe for a power surge. This is typical for RCA products. I have a 54 inch rear projection TV that will only tune 16 channels and none of them are correct when it surges. The solution: 24 hours unplugged. I also have the same type of thing with my RCA DVD recorder... Never had it happen to surround sound, though.

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I have a marantz DV6200 and the select and forward won't work


Check the remote control for its infrared emission. Check it with fresh batteries. Check it by pressing all the keys. You can detect the presence of infra-red emission from the remote control, using a cell-phone camera. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it. In some cases, the remote control might need to clean.
http://electronicshelponline.blogspot.com/
http://remotesearch.blogspot.com/
Search the site by type in this key phrase "how to test a remote control "in the "search box at the top right of the display window of the Homepage" to get the related post quickly.
https://youtu.be/wUpnETSm6_k
https://www.youtube.com/watch?v=jsSCNCW3IbQ [open and clean]
https://www.youtube.com/watch?v=Qp-l1uh-5gE [open and clean]


Sep 01, 2017 | Marantz DV6400 DVD Player

1 Answer

Marantz SR5200 receiver works only with remote not manually


Check for a stuck/jammed switch, press each switch if one doesn't make a normal click sound or it doesn't move at all that's your problem.
If that's not it check the owners manual for how to reset the receiver (not all manuals will tell you how to reset it) Another way to reset it is to short the memory cap, but that is better left to a tech.

Feb 11, 2009 | Marantz SR-5200 Receiver

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Marantz SR-18ex remote control number


If you mean the model number, that is: RC-18SR

Jan 10, 2009 | Marantz SR-18EX Receiver

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Nothing works on it.


Hi,

I have a couple questions/comments:

You said the unit was "unresponsive" so I am assuming that none of the control buttons work in addition to the display showing faulty data.

If the buttons worked, meaning you could change radio stations but the display was not working, then this would tell me that your display had failed.

However, if the buttons do not work, then this tells me that the microprocessor has failed because its not accepting any commands from the buttons. The microprocessor also sends information to the display. So, that fact that you are having two problems; buttons won't work & bad data on tha display indicate a microprocessor problem.

There is a possibilty that the problem could be cause by a problem in the power supply section. Perhaps one of the voltages is missing. I always start at the power supply and if ok, go from there.

The question you need to consider is if its worth having it repaired rather than going out and purchasing a new unit.

Yes, it can be repaired but you will need to take it to a service center and you will need to consider the expense in having it fixed.

Please let me know if I can be of further assistance to you.

Good luck!

- Jim

Feb 15, 2008 | Panasonic RC-CD600 Clock Radio

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Marantz 6200


Your unit's micro IC, is in need of a reset.Un-plug the unit and locate the semi large yellow capactor on the main board. (r-h side facing front) Now flip the unit over and look thru the vent holes in that same area and locate the two solder pins. Short them out with a thin metal object, like a straightened out paper clip or wire, and turn it over (just discharge the cap and remove your wire) this will default all settings and restore normal operation.

Dec 03, 2007 | Marantz SR-6200 Receiver

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