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little or no sound

#1
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Hi there im a very new newbie to home theatre systems so if ive posted this in the wrong section im sorry.
But the problem i have is with my basic samsung HTZ110 system, bought it about 3 months ago and its been working fine, but the other day i turned it on to play a CD and a loud crackling noise came from the front right and centre speakers. It went on for about 30 seconds and then it started to fade away.
Now when i turn the system on i get one loud crack from those speakers and they emit a very soft sound when playing music, which kinda sucks.
So wat im asking is if anyone knows what has happened and roughly how much it would cost to fix it, or even if i could fix it myself.
Thanks in advance
Sam
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#2
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Re: little or no sound

I certainly don't know what is wrong, but here's what i'd do.

1 - check all connections. unplug the system and then disconnect all of the speakers and reconnect them. also, assuming the wire aren't in your walls, i'd do a quick visual inspection to make sure there are no visible breaks in the wires or the insulation.

2 - assuming the problem persists, confirm exactly what conditions create the problem. it would be both surprising and very telling (of what i'm not exactly sure) if this problem only happened with CD playback and not dvd or tuner sound.

3 - 3 months is very close to 90 days with is a typical warranty time period for some items. in other words, if your system is still under warranty, let them sort it out. if it's not under warranty, i wouldn't pay to fix this system.

4 - i have no idea what it would cost to fix, especially not knowing what's wrong with it. that said, in my experience, most electronic repairs run $100-$200, that assumes the parts required are not very expensive, which would be a safe assumption with your system.

good luck

HT: Marantz SR8000, PSB Alpha B fronts, Alpha C center, CSW Newton S200 surrounds, Martin Logan Dynamo Sub, Marantz DVD, Sony CRT TV

Stereos include vintage Sony receivers/amps into vintage AR and KEF speakers.

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#3
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Re: little or no sound

Either the speakers are blown or there's something wrong with the HT unit itself - or both. (A problem in the HT unit caused the speakers to blow.)

The quickest and least risky way to find out if the speakers are blown is to take the front right speaker and connect it in place of the front left speaker. If it sounds fine, you know there is a problem with the front right and center outputs. If it sounds just as bad, then you know the speakers are blown.

Here comes the tough part: Figuring out if they both just happened to die of if the HT blew them out. Was there anything unusual about the CD you played when the problem started? Anything unusual about the system settings? (Did you have the sound turned up all the way from the night before, had you been fiddling with the speaker balance so that most of the sound was going to the right side?) In short, could they have been blown by a specific set of circumstances that you can now avoid?

One way of testing whether or not the HT blew the speakers is to put connect the good (left) front speaker to the right output. If it plays fine then you just have to buy two replacement speakers. If it blows out - well then you have to buy at least three speakers and possibly a whole new system.

Which you might have to do in any case. Once you've isolated the problem to the HT box itself you'll have to figure out a) is the thing under warranty. b) is the problem covered by warranty? c) if the warranty doesn't apply for whatever reason, what is the likely cost of a repair, and how does that compare to the cost of a new system? The only way to find that out is to contact a local authorized service company.

Regards,

Joe

P.S.

Max is right, of course, the first thing to do is disconnect everything and reconnect it, speakers, outside components, power cords. And in the spirit of not taking anything for granted I realized I should also ask this - are you playing the CD in the DVD drive of the HTiB, or in a separate CD player that is connected to it? Does it play OK with DVDs or other sources?
My Home Theater

My DVD Collection

My niece, "Miss Goofy Face"
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#4
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Hi there, ive been a bit busy lately and havent been able to get back online.
But thank you for the replies, they are very informative :)
I was playing the cd in the dvd drive when it happened but normally play music through an aux port from my laptop, the sound is still the same when played through either.  Ive switched the speakers around and it seems like the the speakers are fine but rather the outputs that have blown/broken.
I really have no idea how this could have happened as i did everything as normal when i turned it on, so looks like the only way for me to know is to take to the local electronic shop and see what they have to say about it.
Thanks again for the replies, its given me a few new techniques to use on other equipment in the future :)
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