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Velodyne schematics i need to get a schematic for a velodyne ULD series II power servo controler, the 15 in. 400watt modle built in 1989, seperat from the woofer, they are two different units

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SOURCE: Blows 10amp fuse. Speaker 1&2 50volt ps

Sounds as though you have a direct short in Primary Amplifier circuit. Have you dissasembled unit and ohmed out Transformer? Also Cooling fans that are high amperage draw that short out as well as you said Bad Capacitors. Try ESR meter on Caps.

Posted on Aug 01, 2009

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SOURCE: no sound from sub- I got a green power light and

Sounds like you have lost the thing that does the amplifaction. Look inside see if you can see something perhaps on an heatsink, I think it will have gone, but it's just a hunch!

Posted on Sep 11, 2009

  • 1 Answer

SOURCE: Acoustic Image Contra series II - No audio passing

I decided that without a schematic and parts list I shouldn't even attempt to repair it. I had taken the cover off and disconnected the control board from the amp. When putting it back together to return to owner, I noticed the plug and socket for the control board did not go together properly. After a little maneuvering, I managed to get then joined, and just like that the amp was working again. I suspect that who ever had repaired the ground on the guitar had opened the amp up as well, and just didn't get it back together properly. The amp wasn't really damaged, after all.

Posted on Dec 10, 2009

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SOURCE: i am trying to find schematics for the samson 120

Here is a direct page to your needed information

Posted on Jan 30, 2011

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SOURCE: need a schematic for a Samson Servo 300

Apparently Hartke and Samson are one and the same. See if possibly this link might be close to your unit. It is for an S500.

Scroll down to "get manual" and click to download. IGNORE other downlload links at the site.

Posted on Jul 24, 2011

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1 Answer

I need a wiring diagram/schematic for a shure 55sh series II. it must be rewired. thanks lauren

There is a wiring diagram on page 10 of the User Guide.

Dec 21, 2010 | Shure 55SH Series II Professional...

1 Answer

I just bought a used Velodyne hps 18 subwoofer. I am hearing popping sounds even at idle. What might be causing it?

This is related to the "servo control" circuit.

For repair you will need to contact Velodyne.

Nov 16, 2009 | Velodyne HGS-18 Speaker

1 Answer

Need schematic for velodyne 5 pin din servo amp

Only available from Velodyne.

velodyne at www velodyne com

Nov 16, 2009 | Audio Players & Recorders

1 Answer

My velodyne subwoofer is making "clicking" sounds and is not producing normal sound (e.g. music). What may be the problem?

You did not state what model this is.

If it is a servo controled unit, you may have a problem in the control circuit.

The models that use the servo control stystems should only be serviced by Velodyne or one of the listed service centers.

Velodyne is the only source for parts for these units.

Oct 01, 2009 | Velodyne Audio Players & Recorders

1 Answer

I have a Velodyne fsx-12 subwoofer. Problem is

Velodyne is the only source for parts and service on this unit.

You will need to contact Velodyne

Sep 18, 2009 | Velodyne FSX-12 Speaker

1 Answer

Speaker would push out and stay out with a hum when turned on.

Sounds like the "servo" on this unit has gone bad.

You will need to contact Velodyne for service on this.
It is the only place to get parts and service for this unit.

Apr 01, 2009 | Velodyne SPL-1000 Subwoofer

1 Answer

Woofer,s outer ring is ripped.

To fix this problem, you will need to contact Velodyne.
They may be able to replace the surround or recone this driver.

Because this system has the "servo" control, you need to have the accelerometer conected to the amplifier. With out it, the amplifier will not operate.

Jan 03, 2009 | Velodyne VRP-1200 Subwoofer

1 Answer

Output stage bad

Only place for parts and service is Velodyne.

Oct 20, 2008 | Velodyne DLS-3500 Subwoofer

1 Answer

Velodyne ULD-12 driver voice coil sensor availability

Contact Velodyne. That is the only source for this part.

Oct 05, 2008 | Velodyne DD-18 Subwoofer

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