Guyatone - TD-1 Tube Distortion  [schematic]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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ppluis0
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Post by ppluis0 »

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 Look as the link it's no longer valid.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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karul
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Post by karul »

schematic and gutshot
Attachments
Guyatone_TD_1_schematic.jpg
TD-1.jpg
TD-1.2.jpg

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Post by ppluis0 »

Thanks pal !!!!!! 8)

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Manfred
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Post by Manfred »

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 Look as the link it's no longer valid.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
(580.28 KiB) Downloaded 124 times
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
(9.19 KiB) Downloaded 140 times
Guyatone TD-1 Solder Side.pdf
(12.62 KiB) Downloaded 114 times
Guyatone TD-1 Solder Side Mirrored.pdf
(12.65 KiB) Downloaded 124 times
Guyatone TD-1 PSU Component Side.pdf
(4.59 KiB) Downloaded 131 times
Guyatone TD-1 PSU Solder Side.pdf
(2.05 KiB) Downloaded 131 times
Guyatone TD-1 PSU Solder Side Mirrored.pdf
(2.05 KiB) Downloaded 132 times
SprintLayout6-Files:
TD1_SprintLayout6Files.zip
(17.91 KiB) Downloaded 133 times

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karul
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Post by karul »

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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Post by Manfred »

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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Post by karul »

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

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Post by ppluis0 »

Hi folks,

Touring on the web I find a schematic related to this subject: Guyatone/Nady TO-2:

Image

Cheers,
Jose

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