Question about Crown CE1000 2-Channel Amplifier

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Crown CE1000 the right channel on my amp is not working at all

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  • Jango Fixit
    Jango Fixit May 11, 2010

    Look behind the amp. Is the mode switch set to stereo or bridged?

    Jango

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  • 54 Answers

Cuold be the final power amp ic. Might be imput transistors to that channel. Its possible to have a cold solder joint on pcb.
Look close at board with good light and a mag. glass to see if any foggy looking joints and heat up with soldering iron then dab with fresh solder.
Good Luck
BigRED

Posted on Nov 03, 2007

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Posted on Jan 02, 2017

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I am getting a weak signal on the right channel of my Hitachi HT-40S turntable with original Ortofon LM 10 cartridge.


If you have disconnected the cartridge and touched the leads in that state and you had no sound out of the right channel, then there is nothing wrong with the cartridge at all. You either have a bad lead from the deck to the amp, or a bad connector to the amp. If replacing or fixing the lead does not correct the problem, then you have to look at the pre-amp in your amp as the cause. The amp will have a dedicated magnetic cartridge pre-amp. It's failure on the right channel will not effect any other function, such as tape or radio. You can easily find the cause, by tracing the phono connector wires back (inside the unit) to the first port of call on the PC board. You will either find a single IC doing most of the work of the pre-amp or two IC's, one for each channel. If you are lucky and a single channel IC does the work, replace the right hand one. Otherwise replace the dual channel one.

If you think it's the cartridge, then remember that putting the left channel connector on the right input of the cartridge should see no sound. But if you hear sound by switching the cartridge connections the cartridge is good.
I have noticed that you have tried another amp with the deck and it made no difference. This implies then a faulty lead between the deck and amps.

Oct 28, 2016 | Audio Players & Recorders

1 Answer

B&K AVP2000 left channel not working


Yes amps buzz when something gets near them - say a pen or probe and if you know what it is safe to touch a finger! Fortunatly for you the left channel is the same as the right. So if you believe it's the pre-amp work backwards from the where the power amp connects to the pre-amp, going through the pre-amp stage by stage - prodding the parts. Remember a buzz in the right a buzz in the left! No buzz in the left but one in the right fault found!
Ignore the power supply it's nothing to do with that as it's common to both channels.

Dec 30, 2012 | Audio Players & Recorders

1 Answer

Hi my amp left channel does not work. the speaker relee works at both channels and the amp works fine at the right side.it goes not in protect what do u think is wrong ?


It could be a number of things. Try this test first though. Play some music and swing the balance control to the bad channel and turn up the volume all the way if needs be. If you hear any music breaking in the pre-amp is ok. If not it could be dead. Again if you hear faint music it's the power amp that's not working.

Next have a look inside. You should be able to identify the channels by following the wires from the speakers. Remember that stereo amps are just two mono amps joined. So the Right Channel will act as a guide to what the left should look like. Plus if you are any good with a volt meter provide the correct voltage indications. Any burnt/damaged parts on the left and not on the right is an indication of the fault area. If you have no output from the above test pay close attention to those parts on the heat-sink for the affected channel.
Ignore the power supply parts are anything that is on it's own, unless it's an IC with both channels going into it. As they can go faulty on one channel, but not the other sometimes.
If you can't find anything it might be an idea to replace the left output device(s).

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1 Answer

Yamaha m70 amp and c70 pre-amp right speaker stopped working


First, lets's determine if it's the amp or the preamp...

Swap the Left and Right channel cables between preamp and the amp with each other.

Did it stay on the right? = amp problem.

Now on the left? Preamp or source.

Plug any Line Level device (CD?) directly into the amp inputs. Work now? Preamp problem.

ALL sources? Preamp - toggle all controls, especially a Tape Monitor to possibly wipe of any built-up oxides in them.

May 31, 2010 | Audio Players & Recorders

1 Answer

Describe your Onkyo TX-SR875 7.1 Channels Receiver Problem All right channels are not working. Left channels including center channel speaker is working. Please advise.


Recommend changing your FINAL drive AMP IC most house BOTH right and left channels, your drivers right channel input is good cuz it is used to make the left channel signal

Nov 22, 2009 | Onkyo TX-SR875 Receiver

1 Answer

Sony PS-LX300USB Turntable, one channel not working


Have you tried swopping over the output leads from the turntable to the amp (normally one red and one white phono plug) so they are in each others socket? If you do this and you still get no sound from the right channel it is almost certain to be a faulty amp,or speaker.
If you swop and get no sound from the LEFT channel it is could be either a faulty lead or cartridge.

Apr 19, 2009 | Sony PS-LX250H Turntable

1 Answer

Jbl gto 75.4 right channel not working


Hi

It's rare that 2 channels will fail simultaneously, are you sending 4 signals to the amp or just 2?

If you are sending just 2, perhaps the problem lies before the amp in the cabling to it, or the output from the headunit. If you are sending 4 signals then there may be a fuse in the amp that drives 2 channels out of the 4. Of course this may be the case should you just be sending 2 signals.

Dec 25, 2008 | JBL GTO75.4 Car Audio Amplifier

1 Answer

How many speakers can I use?


Hi,
This should work if channel 3 & 4 are bridged at 4 ohm.
channel 1 should be stable at 2ohm
channel 2 should be stable at 2 ohm
You can hook up the right side speakers together ( + with + and - with - ) . same thing with the left side. this will give you 2 ohm each channel. this will cause your amp to run hot (this might be tuff on the amp). It will give you right (2 speakers) and left ( 2 speakers ), no front and rear adjustement if you need to balance your sound. I think you should be better buying another amp for your sub and take your 4 channels for your 4 car speakers. this amp as a rca output that can feed the other amp ( sub amp ). it is possible to do it.

Good luck

Nov 11, 2008 | Alpine MRP-F250 Car Audio Amplifier

1 Answer

Help


I recommend you swap your left and right input cables to make sure it's not a source issue.

So from your headunit, plug the left channel output into your amps right input and your right channel output into your amps left input.

If the same side is still not working then disconnect both (or single speaker if it bridged) the speakers from the not working side at the amp. Connect the front and then the rear speakers individually and retest to see if one of them works.

If one does work then check the cabling and speaker connections on the one that doesn't. If it's shorting out anywhere it will stop your amp from powering that channel.

Failing that, it could just be that your amp has partly failed.

Feb 15, 2008 | Boss Riot 1500D Car Audio Amplifier

1 Answer

No right channel output


Feed the amp with the left channel preamp to the right channel input on amp and check output. If you get output from amp then pre amp nedds to be checked out if still no output then amp is suspect. Randy

Feb 16, 2007 | Bryston BP-25 Amplifier

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