Sr4300 I have an Marantz SR4300 bought a few years ago. Now it happened that my sound is almost gone, there is only a soft cruchy sound through all speakers and sub. when turning the volume i hear a sort of electronic clicking sound.

Yes you can still get parts for these. You will however need to know about rebuilding electronics. Be able to read schematics and have to tools necessary to perform testing circuits. I have rebuilt many Marantz vintage receivers as well as Pioneer, Sansui, McIntosh and so on. Keep the unit alive. Don't toss it. If you cant work on it yourself find someone who can and if you can. If you can afford the cost of repair donate it to someone who has a passion for rebuilding these and keeping them in circulation. These are very nice sounding units once you get them serviced and up and running.

Download the user manual for this set by internet. It has all details.

its best if you let a professional tech work on it beause there tools that need to be used to check where the problem came from.

It may be an overheating problem. Make sure it is well ventilated. Also it could have a build up of dust bunnies inside in some of the heatsinks. If you are comfortable with it, take of the cover and gently blow it out with a compressor (low PSI) or canned air so it is clean inside. May also be an intermittent part which is a bit harder to find.

if you bought it under one year ago then the retailer should be obliged to either replace it or repair it. I would look into this further, ask to speak to the manager or something casue when a tv switches itself off it indicates an error inside and turns itself off to prevent further damage.

Hi..

If you dont mind getting a real good service manual , try
www.stereomanuals.com

I'd say 15-25 $

It is likely that something overheating is causing the problem, but nothing should be overheating. Cleaning won't hurt and may help but it is likely to require repair of the faulty component, perhaps a failing capacitor or amplifier.

I have had this problem twice now in ten years, each time took it to get repaired at a marantz dealer and they replaced the laser. First time was about $150, second time they didn't charge me. No problems otherwise - which for an integrated item like this, where so many things can go wrong, is pretty good.

Tienes que enviarlo a un taller para su reparacion

Hi...

Try another GOOD speaker on your centre channel.
If the buzz ....buzzes off, it's a bad speaker.
If not , It's in the power amp section on the unit.