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PostPosted: Sun Jul 14, 2019 8:56 pm 
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Joined: Thu Sep 03, 2015 1:23 pm
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I built a 5 knob compressor a while ago and it started sounding.....strange. BYOC sent me a replacement chip and it seemed to fix it. For a while. Then it sounded strange again.

What's "strange"? Tone knob seems to have almost no noticeable effect, if I turn the ratio full CW the output disappears, seems to be doing some kind of distortion rather than compressing....my behringer compressor sounds 100 times better :(

Things that seem to work as expected: LED comes on, 9V battery and power supply work, volume/level works.

Are these symptoms of a bad chip? And if so, what could be damaging it? I can upload pics, but when I checked the board over nothing seemed wrong. Anyway, if there was a wiring/solder bridge/etc problem it seems weird that it would work as expected for a while, then go all strange on me.

Any ideas?


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PostPosted: Mon Jul 15, 2019 2:29 am 
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Location: Ohio
Going by your 2nd photo it appears that you don’t have the IC fully inserted into the socket. I took a look at mine and I don’t have nearly as much of the pins exposed as you do.

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PostPosted: Mon Jul 15, 2019 8:49 pm 
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Stephen wrote:
Going by your 2nd photo it appears that you don’t have the IC fully inserted into the socket. I took a look at mine and I don’t have nearly as much of the pins exposed as you do.


Hm, that's interesting. It sits pretty high, I just assumed that was normal. Here are some pics and it's fully seated. It does feel like the chip isn't as tight as I'd like it to be....maybe there's something wrong with the socket preventing it from seating fully? I tried several of the individual sockets and they all seem to bottom out at the same place.

Here are some better pics of the chip and it's placement.


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