I had a lightning strike a few months ago and my receiver quit working. No sound comes from it but everything turns on and lights up but no sound. I reset the receiver and everything I could do but I wondered if there may be a quick solution inside with a fuse or something I can do myself before i give up and decide its fried.
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Re: sony de898 no sound
Could be an internal fuse blown but most later electronics use a special kind of resistor called a varistor.
These devices are across the AC line and do nothing until the voltage difference between the two lines, hot & neutral, exceeds a certain voltage; this is typically ~200 volts for 120 service as in the US and higher for 220 service on most of the planet.
They are disc shaped, will be from 4-5mm (~ 3/8") to as much as 25mm (~1") in diameter and if ever zapped, they are charred and with chunks missing.
When their design voltage is exceeded, their resistance drops from near infinite to a few Ohms which then causes the fuse to blow.
You can replace the fuse and choose not to replace the varistor but then you will not longer have even that minimal protection against spikes.
For folks in lightning-prone areas, the installation of a 'whole-house' surge suppressor is highly desirable, will cost ~$250 US and have an insurance policy against losses of $10-$25,000 US in case you still lose devices protected.
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I understand that you have tried connecting different audio source to the Receiver as some of the audio source will output only 2 channel audio.
I hope you have tried changing the Input mode and Input selector to get the surround sound.
Please disconnect the speakers with the receiver and clean the edges of receiver and speaker cables using solution like alcohol and try.
If the issue persists, please interchange the rear speakers with front speakers and vice versa and check if audio is coming to make sure that the speakers are working fine.
If the audio comes after replacing the speakers but not from surround speakers, the receiver requires service.
One thing you can do is change the speakers around to the chanels that are working and check the speakers. If you had a lightning strike chances are that your amp was affected as well. This is just a quick check to see if your speakers are working.
Reset can mean many things... Input/ output/surround/ or is it saying "Protect" on the display?
If that's the case, unplug, wait a minute, plug it back in and turn on. If it still say's Protect, disconnect the speaker wires and test again. Chances are you have a shorted wire or speaker. If you need something different, post a reply and I will help you further. Hope this helps
You're close. PHONO is NEVER the place to send Line Level signals. It is for the small output produced by a phono cartridge only. Google RIAA equalization to see why it sounds so bad when connected that way.
That you get sound through Phono at least proves your PC is producing an output. Now we have to figure out why your RECEIVER doesn't sense the program where it should be connected.
If you have another analog audio source that works on the receiver, temporarily connect the PC audio there to see how it sounds. Then think about why it doesn't work in MD/TAPE, SA-CD/CD, TV/SAT, DVD, or either Video IN. Any of those should work.