When my receiver(YHT 440) was ON last month there was a heavy thunderstorm/lightning which caused my receiver not to produce sound, But I see the display (the menu in the front panel) and everything works fine except there is no sound from the receiver (Tried playing DVD,CD,FM and all the stuff but no response).
Please let me know if anyone had the same issue and how to fix this?.
Plug in your headphone, if you hear music then it could be the speaker's fuse blown up, or the speaker's circuit breaker shut down. If nothing sound then possibly the strong static has burned down the audio/receiver's circuitry section.
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sometimes you can have weaker signal, and pictures freeze...
it can be caused by bad weather, by thunderstorms, heavy rain....
you can't do anything about it, just get stronger antena....it can improve your gain from signal, but never for 100%
This can happen. Lightening causes static charge that can be picked up by speaker wires. It is possible ONE of the amplifiers has failed. To check, have the room quiet. Turn on the amp. After 5 to 10 seconds there should be a nice solid 'CLICK' from inside the amp. If there is no click, the unit is in safety mode. You will need a service shop.
As per HTR-6230 specifications (http://www.yamaha.com/yec/products/productdetail.html?CNTID=5028494&CTID=5000400&ATRID=1020&DETYP=ATTRIBUTE) the HDMI function is only "audio-passthru", which means your receiver is not able to get the audio from HDMI cable, it can only pass it forward to TV. You would need a receiver with "HDMI switch" to be able to listen to audio via HDMI cable. You can find such receiver by looking if it supports TrueHD audio (which can be transferred ONLY via HDMI cable).
With your current receiver, you can connect it to the Blue-ray player via Optical SPDIF cable. I have checked the specs and both receiver and BD player supports optical connection.
you more than likely have a F.E.T.(Field Effect Transistor) front end tuner,very susceptable to lightning or static charge damage, chech your home owners insurance, you might be able to repair or replace the tuner but it wont be cheap