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PostPosted: Mon May 01, 2017 3:27 pm 
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Joined: Fri Nov 18, 2011 4:25 pm
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I checked solder joints, looked for bridges, etc.


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PostPosted: Mon May 01, 2017 6:07 pm 
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Joined: Tue Jan 02, 2007 1:24 pm
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Location: Albany, NY
OK, I can see where you've switched around three resistors. Refer to labeled PCB diagram below for locations:

  • R3 is a 4K7 (472) and should be a 470K (474)
  • R9 is a 470R (471) and should be a 4K7 (472)
  • R19 is a 470K (474) and should be a 470R (471)

I would also double-check the areas between the IC legs that I've circled in the marked-up section of your photo attached below. Just make sure there's no bridging or other material connecting those adjacent legs.

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