Guyatone - TD-1 Tube Distortion  [schematic]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.

Re: Guyatone - TD-1 Tube Distortion

Postby ppluis0 » 10 Jan 2019, 19:02

Manfred wrote:I traced the TD-1 a couple of years ago.
Now I found the images on my Database.

http://postimg.org/gallery/1ta9mcadg/


Hi Manfred, and best wishes for 2.019 !!!

Can you repost the schematic of this unit ? Look as the link it's no longer valid.

Cheers,
Jose
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Re: Guyatone - TD-1 Tube Distortion

Postby karul » 10 Jan 2019, 20:15

schematic and gutshot
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Re: Guyatone - TD-1 Tube Distortion

Postby ppluis0 » 10 Jan 2019, 20:49

Thanks pal !!!!!! 8)
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Re: Guyatone - TD-1 Tube Distortion

Postby Manfred » 11 Jan 2019, 00:39

Hi Manfred, and best wishes for 2019!!!
Can you repost the schematic of this unit ? Look as the link it's no longer valid.


Hi Jose, best wishes for 2019 for you too.

The schematic above is not entirely correct, that's is my traced one.
TD1-Schematic.jpg


My shots of it:
TD1 Shots.zip


I made a PCB copy as follows:
Guyatone TD-1 Layout.JPG

Guyatone TD-1 Solder Side.JPG

Guyatone TD-1 PSU Layout.JPG

Guyatone TD-1 PSU Solder Side.JPG


Ready to print files of the PCBs:
Guyatone TD-1 Component Side.pdf

Guyatone TD-1 Solder Side.pdf

Guyatone TD-1 Solder Side Mirrored.pdf

Guyatone TD-1 PSU Component Side.pdf

Guyatone TD-1 PSU Solder Side.pdf

Guyatone TD-1 PSU Solder Side Mirrored.pdf


SprintLayout6-Files:
Guyatone TD-1 PSU Solder Side Mirrored.pdf
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Re: Guyatone - TD-1 Tube Distortion

Postby karul » 11 Jan 2019, 01:36

I might be wrong - the only significant difference I can spot is the cathode bypass capacitor 22u/25V at the input stage.
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Re: Guyatone - TD-1 Tube Distortion

Postby Manfred » 11 Jan 2019, 09:10

karul wrote:I might be wrong - the only significant difference I can spot is the cathode bypass capacitor 22u/25V at the input stage.

The connections of the gain pot are wrong too.
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Re: Guyatone - TD-1 Tube Distortion

Postby karul » 11 Jan 2019, 09:53

Yes. The gain pot too, I was too tired yesterday. Thanks.
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