Please see my wiring
Above this diagram when i connect sgnd to ground ampl.stop working(song stops).please give me what to do.regard
No *.lay files, gerber in ZIP file. Sprint Layout import gerber.
Roger
Roger
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ALPHATRONICS CLASS TD 1800 W SOLDER MASK.pdf61.3 KB · Views: 553
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ALPHATRONICS CLASS TD 1800 W.COMPONENTS.pdf345.1 KB · Views: 547
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ALPHATRONICS CLASS TD 1800 W.GREY LAYOUT.pdf526.9 KB · Views: 542
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ALPHATRONICS CLASS TD 1800 W.P.C.B. SCREEN.pdf186 KB · Views: 473
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ALPHATRONICS CLASS TD 1800 W.P.C.B. THERMAL TRANSFER.pdf186 KB · Views: 468
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TD1800.zip25.5 KB · Views: 596
No *.lay files, gerber in ZIP file. Sprint Layout import gerber.
Roger
lm324 , thank you very much for your answer !
I downloaded zip file and import files to SprintLayout 6 but i have some problem with drill file ....
Attachments
lm324 , thank you very much for your answer !
I downloaded zip file and import files to SprintLayout 6 but i have some problem with drill file ....
When you import drill data, change Unit to "mm" and "numeric Format" to 3
Attachments
For NMOS,
I think the Labgruppen auto-oscillator is the best.It's more complicated, but it's much more efficient and it works for sure.
The rest of the scheme exists on the net (right here on the forum).A little mistake PWMNATD=PNP,PWMNPATD=NPN transistor.You can also try the downconverter from yamaha, it's much simpler.
hi sir, did you manage to make the modifications? please post the results and the schematic diagram you used.
Hi sir apex can I ask what direction wrong sfa1603 in negative side what is exact direction this sir apex can u guide me pls.
look like chinnese pcb clonesomebody posted this photo on facebook as labgruppen TD class p.c.b. clone
Corrected from post 246. Anyone doing class H should be able to figure it out, but...
tough decisions but lm311 three tier loading ....... ......... ...... ...... ... ....
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class TD more photos
here are some more photos of class TD from Electronics Handbook
here are some more photos of class TD from Electronics Handbook
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here are some more photos of class TD from Electronics Handbook
thanks vedmitraa for the pics posted . please post photos of your project of this class hd or td amp .
here are some more photos of class TD from Electronics Handbook
It looks like Thailand Electronic engineers have designed TD1800
published May 2019 in Thailand Electronic Handbook
I cant find this in english
It looks like Thailand Electronic engineers have designed TD1800
published May 2019 in Thailand Electronic Handbook
I cant find this in english
It is clone of APEX TD1800 designed by me and published 20th February 2019 in this thread post #3688
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