Question about Sony STR-DE845 Receiver

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Turn on and the fusse explotion no have soun

The amplifier have all your function on off, no have sound











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This condition, may be produced by defective components (Q506, Q507). you can remove those transistor, replace the fuses, power-on and wait for relays click. if the fuses not blown again, them replace both transistor

Posted on Mar 19, 2009

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I have the Peavey triflex ii I have power and sound in the subwoofer but nothing on the satellite speakers I get no sound o checked all fuses and they are good. Wires are also good


My recommendation would be to try the satellite speakers, each , by themselves, from another source, say another amplifier, with a cd player or mp3 player hooked up to the source to confirm the speakers themselves are indeed functioning. If you try this, and still have no sound from them, it is the speakers. If they work, then the amplifier section of the Triflex rig is not functioning. A lot of times, Peavey has had issues with the Power transformers going out in their amps. Might have happened. If the speakers don't function attached to another amp, then you may have a blown speaker/crossover/ or maybe an inline breaker or fuse in the speaker . You can remove the back panel of the speaker to check this. It would seem improbable for both to go out at the same time, so my thought would be a breaker on the amplifier section of the Triflex, or the amp itself.

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I recently installed a sony explode in my truck everything works fine except for when u put a cd in, no sound and the display shows the cd is playing and all the function buttons work i just have no soud...


It sounds like you are using an amplifier. Make sure you are using the blue/white wire to turn the amplifier on. The blue/white wire is amplifier remote turn on and the blue wire is power antenna remote turn on. The blue wire turns off when leaving tuner mode, turning the amplifier off.

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You haven't sufficiently defined what is wrong. "Not good" is subjective. Before you shell out for different hardware you should pinpoint the problem.

The source (you, mics) and the speakers are the most obvious sources of sound quality issues. Properly functioning amplifiers operated within their limits produce effectively undetectable differences in the sound.

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1 Answer

My amp stopped workin, when i turn the stereo on, the green light is on, then when the music starts to play it turns red and stops working,


The red light on amplifier relates to power supply while the green light is indication of sound functionality. An amplifier that allows sound to generate should display both red and green lights. Howeever, some amplifiers would display only green as long as the sound is functioning.

Solving the problem

First, a red light still on means the power connections to the amplifier is fucntional least requirng repairs.

Second, the green ligh should turn on once the stereo were tuned up to produce sound. If the stereo is still on only least produce sound on the amplifier, check on the connection wires between stereo to amplifier that may have disconnected due to woofing or dubbing sound generals with unfirm wiring.

Third,

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IC chips are prob burned out, check the ones that are mounted on the big metal plate. if you need a new one i have a TX-NR801 i would sell for 500US

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The Aux function is not meant for that purpose.The turntables/Record Players being way too old,now a days the amplifiers do not come with PHONO function that was specially used for playing Records/For turntables. Check if u have a phono function in your amplifier and if not then buy another amplifier with Phono function coz you need a ground wire [that comes out from the turn table] also to be attached to the amplifier and then only you can get a proper sound.

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