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Help for AVR - 688

Help we have no sound and it will not go into dolby prologic? It was working fine and is brand new? I think something was hit on the remote?

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Check the following1-no headphone jack is inserted.
2-check power cord firmly connected.3-if you have any doubt in remote change the battery with fresh new one4-unplug the system from power and replug it.5-check your volume level maybe it is in low level.-setup your speaker again.6-check speaker cables disconnection-7 -check that mute button not pressed.

Posted on Jul 13, 2008

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No that's how to describe a problem, folks - with details. Using internal FM as the source is always the preferred way of troubleshooting system-wide receiver audio problems (no cables or setting in the way).

Does the sound come on immediately with power and then fade or is there a small delay while the electronics stabilize, a click and then sound that fades?

The fizzle probably means something is rapidly overheating or a capacitor is malfunctioning. If both channels do it, I'd suspect a common power supply problem. Can't help much more than that.

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1 Answer

Amplification does not work


It sounds like a source slecton issue. Try the following and if that does not help I would start with a simple stereo setup and source and work up from there.

The RV-8 is powered on, but there is no audio.
1. Make sure volume level is audible. Volume level can be
increased with the front-panel volume knob or the remote
control VOL �� and �� buttons.
2. Make sure audio has not been muted. The message “MUTE
ON” or “FULL MUTE ON” will appear in the on-screen and
front-panel displays when audio has been muted. To deactivate
mute, press the Mute button or adjust the volume level.
3. Check the INPUT SETUP menu DIGITAL IN and ANALOG IN
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to the selected input.
4. Make sure the RV-8 is receiving an audio signal. To do this,
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1 Answer

LOW VOLUME ON MY SL-B35 TURNTABLE


Hi Tim,

You probaably do not have a phono input on the digital surround amp you are using. Your sound is bad for 2 reasons
  1. Your Turn Table has low output level,about 100 times less than a CD player.
  2. You need RIAA equalisation to reduce the treble and boost the bass. This is for replaaying any modern vinyl or LP's
You can get an outboard preamp that matches the output of your T/T to suit the normal aux input on todays digital surround amp.
You can get one online from here. Or if you are keen build one from a circuit here

I am more than happy to answer any other questions you may have about it, please get back to me here, or use the ASK function to go straight to me :) If you are still unsure, have problems, or we need to look at the situation more deeply, then before you give a rating for this advice, hit the ASK button Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.

regards robotek

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2 Answers

Speakers not working


make sure that you have switched on/pressed all the needed button to have the center and the rear speaker to work. there is a switch there that allows you to choose either stereo ( left and right speakers only ) or surround ( center and rear speakers included ).




A Simple Thanks is Good Enough

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1 Answer

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