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Need a schematic on samson sx1800 - Samson Audio Players & Recorders

Posted by David Clayton on

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Anonymous

  • 31 Answers

SOURCE: samson sx1800 power surge

Hi There,
Manufacturers install protection devices in their audio systems that are there for that purpose, any loud 'thump' or 'crack' trips the protection device so the loud speaker wont be burnt out. Speakers are expensive so the manufacturer does his best to allow you to listen to very loud sound and yet provided protection in case you exceed the sound rating of the output protection device.
In your case it sounds like the protection device has done its job but has not reset, to allow more listening...
Check the operational manual that came with the amp system to see if there are re-set instructions available to you....
If you dont have the reset detail, then phone/e-mail the manufacturer to obtain the reset information...

If there is no resetting you can do as a consumer then it should be no problem for a service shop to do the reset for you...
It may be a simple internal fuse that has blown but if its not accessible from the outside then I dont suggest you go inside and make changes unless you are skilled and trained in electronic servicing...

Cheers for now YUBEUT

Posted on Nov 03, 2007

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gopakumarg43

The Knight

  • 76466 Answers

SOURCE: samson S8 schematic

Try this link to download it.

Posted on May 27, 2012

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I just need schematic for Servo 200


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Have you checked the power supply section? Also look out for any IC's in the amp stages. They can go causing that kind of fault.

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I need a schematic for a samson L612


I know this is an old post. I put this here for others with the same issue as I have worked on these before. Call Samson and ask for the schematics - they will email them to you if you ask nicely.

As for issues I have seen with these:

The protect relay on many of these is notoriously cheap (Alesis used the same brand and also had difficulties). This is worth checking straight away if your power supply seems good. It is a DPDT12v on the control side and rated at 5 amps (the relay will say 10, but it's 5 amps on each pole).

I also had an issue with the PCB being bent within the enclosure as it fits very tightly in a plastic shroud, and then into the wooden enclosure. This caused some of the solder joints to come loose on two of the power transistors. So, if you see that the PCB is bent a bit, check all those solder joints.

Hope this helps someone.

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1 Answer

Samson S8 schematic


Try this link to download it.

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1 Answer

Samson MDR8 blowing internal power supply fuses. Is there a wiring schematic of the power supply board available


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Put an incandescent lamp in series with the hot side of the power cord. This acts as a resetable fuse while troubleshooting so you don't blow fuses.

Schematics are hard to come by, but power supplies are easy to trace the circuitry.

Check filter caps and the diodes and THEN look for hot (temp) IC's and transistors.

Mar 17, 2010 | Samson Music

1 Answer

Samson sx1800 power surge


Hi There,
Manufacturers install protection devices in their audio systems that are there for that purpose, any loud 'thump' or 'crack' trips the protection device so the loud speaker wont be burnt out. Speakers are expensive so the manufacturer does his best to allow you to listen to very loud sound and yet provided protection in case you exceed the sound rating of the output protection device.
In your case it sounds like the protection device has done its job but has not reset, to allow more listening...
Check the operational manual that came with the amp system to see if there are re-set instructions available to you....
If you dont have the reset detail, then phone/e-mail the manufacturer to obtain the reset information...

If there is no resetting you can do as a consumer then it should be no problem for a service shop to do the reset for you...
It may be a simple internal fuse that has blown but if its not accessible from the outside then I dont suggest you go inside and make changes unless you are skilled and trained in electronic servicing...

Cheers for now YUBEUT

Oct 31, 2007 | Samson SX1200 Amplifier

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