Question about Arcam AVR-200 Receiver

3 Answers

I have an Arcam AVR250 Surround Sound Receiver (about 6/7 yrs old) and it has decided to only output sound in Stereo Direct Mode. It was working fine yesterday morning but when I turned the system on yesterday evening, no sound. The Satellite sound is via digital optical; DVD via Coax Digital or Analogue Stereo; IPod Dock Analogue Stereo and Composite Video into the PVR Inputs. The sound from the IPod Dock works fine in Stereo Direct (front L&R Speakers only) but nothing when I toggle SD to off and attempt the various Modes and Effects - not even Stereo Mode outputs any sound. The Analogue Stereo output on the DVD (Arcam DV79) works fine in Stero Direct but not on Digital and not via analogue with any of the modes/effects. It's as if the Dgital processing in the Amp has decided to shut down on me or I've pushed a wrong button somewhere? I'm hoping I've done something daft and pushe a wrong button! Picture quality and processing is fine - no problem there Can you help/advise me please Regards Steve Jones

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  • asteveljones Aug 27, 2010

    Not looking good, I'm afraid. Have tried re-assigning my components that have Digital Sound output (Sat/DVD) to different inputs in the back of the AVR250 and nothing - no sound. Still sound out is only via Stereo Direct. Can anyone else help please! I don't understand how the thing can just stop working!! Help. Regs Steve

  • asteveljones Aug 28, 2010

    This is going from bad to worse - anyone else out there with any ideas? The last one being that digital processor has died!

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3 Answers

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  • Master
  • 3,083 Answers

Most of the time, as you know, it is, indeed, a button/setting issue. Unfortunately, one has to know all the functions of the machine to recognize what's going on. I checked out the following blog, and a fellow had a similar problem as yours, and they simply replaced his unit for free. Here's the page:
http://www.hometheaterforum.com/forum/thread/216326/arcam-reliability
Couldn't find any other info on this specific issue, but maybe it will help.

Posted on Aug 28, 2010

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  • Arcam Master
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In Stereo Direct the analogue sound is directly routed to the amplifiers. In all the other ways the signal is digitized (if it ain't already) then modified digitally in a very specialized processor. In your case that processor has just died. It can't be repaired and you must replace the entire board it's soldered on to fix that - it will be expensive.
Why it has failed ? I don't know, but, since it's a processor, even the smallest electrostatic shock is enough.

Posted on Aug 27, 2010

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  • Master
  • 5,807 Answers

Hi,

Sometimes it happens. ( age ) or possibly cold solder

joint or mis communication on the Digital Controller

and DSP Unit.


• One way to check is to verify each input if it can pass

output ( line Out ) signals.( at the back of the unit )



• If it does then you just have eliminated a large percentage

on electronic circuits troubleshooting.


• There are more details or info starting

on page E 25 of the manual


[PDF] Download the owners manual - Arcam AVR250 surround sound receiver
have a recheck and triple check on the settings.


But if you need a thorough investigation on the DSP

circuits , it might need a service manual


I have an Arcam AVR250 - 5348313.jpg

http://www.service-manual.net/ashop/catalogue.php?cat=300

only with a fee.


And be the last resort as to confirmed if it is really the DSP.


• You can use an external amplifier or a signal tracer when

probing signal outputs on the receiver.


• Here is a link for sample troubleshooting :

a ) Start with the input , then to the op-amp IC. b ) check your cable like those above for co

these unit is just a guide, not the same as yours , but the

process o f troubleshooting and principle is the same.


Only if you feel to DIY.

Posted on Aug 27, 2010

  • Rommel Cana
    Rommel Cana Aug 28, 2010



    • here are some basic tools should you need to DIY :

    http://www.fixya.com/support/t5771014-st...


    • here are some troubleshooting guide :


    a ) Start with the input , then to the op-amp IC. b ) check your cable like those above for co


    those above are sample troubleshooting , use it as reference together with the appropriate

    service manual for your unit.

  • Rommel Cana
    Rommel Cana Aug 31, 2010



    • On some they have manage to repair or partially troubleshooted same,

    symptoms as yours.( they are not made for a lifetime )

    Repair of that kind is not cheap ( needs proper tools and equipments ).

    Welcome to the Electronics World.

    But if you will not start , it wont lead you for something.

    Also some have succeeded.


    If there is a will, there is a way.

    • Divide and Conquer to find the cause, Only if you can DIY

    or have a friend to help you.

    have the Service manual and give it to him or her.

    It may take a while , but who knows it could be a loose

    solder joint or missing supply on one of the components.


    • Navigate and confirm with your Manual documentation

    and if doesn't resolve your problem, one has to open

    on it , and check on it thoroughly


    Preventive Maintenance is cheaper than repair.


    Thanks for choosing Fixya for assistance, Hope other

    experts might try to help you.


    .






    ,

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