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Old 4th April 2011, 05:59 PM   #11
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The link and image are missing/broken.

try TinyPic - Free Image Hosting, Photo Sharing & Video Hosting and use the direct URL inside [IMG] tags?

- Matt
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Old 4th April 2011, 07:17 PM   #12
pergo is offline pergo  Italy
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can you see now?
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Old 4th April 2011, 07:22 PM   #13
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Nope. You managed to post the first set of pics fine. maybe it doesn't like the BMP extension on paint files? Put it back in paint and save as 'JPEG'

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Old 4th April 2011, 07:29 PM   #14
pergo is offline pergo  Italy
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this is the url:

http://s3.postimage.org/6b30yy7z7/Immagine.png
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Old 4th April 2011, 08:21 PM   #15
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Quote:
Originally Posted by pergo View Post
hrm, that's a .PNG

Let me try:

Click the image to open in full size.

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Old 4th April 2011, 08:24 PM   #16
pergo is offline pergo  Italy
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Click the image to open in full size.
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Old 20th April 2011, 11:04 AM   #17
pergo is offline pergo  Italy
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any info or schematic about this driver board?
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File Type: jpg outputboard.jpg (142.8 KB, 191 views)
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Old 20th April 2011, 11:41 AM   #18
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boy, i would like to see this board re-engineered in a diy-able form. i know of at least one amp right now that needs them, and that ic is the killing point on fixing it. could possibly stand to make something out of the task.
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Old 20th April 2011, 11:47 AM   #19
pergo is offline pergo  Italy
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i've one of this, but it won't oscillate.
I change every chip, but nothing.
Test every smd bjt, but they seem ok.
XOR gate output is a squarewave with the same signal's frequency...no high frequency.
For 50Hz input signal, i've 50Hz squarewave on TL072 output, same 50Hz on LM319, same 50Hz on XOR and 50Hz on IR2110's input. IR2110 tries to make output, but it cannot (with the output transistor in)

But
It's big enought to make a DIY-version.
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Old 20th April 2011, 05:27 PM   #20
pergo is offline pergo  Italy
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oops, problem solved. Wrong IR2110
Now it works.
Self-oscillating rulez
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