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TV-B-Gone Functions but will not stop cycling codes
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TV-B-Gone Functions but will not stop cycling codes

by portzt on Thu Aug 01, 2013 1:31 pm

As soon as I insert the batteries my TV-B-Gone starts cycling the codes. I don't have to press the switch. Pressing the switch I believe is resetting the device to start at the beginning but it doesn't stop after the 2 Minute mark. Do you have any idea what part I can check? :mrgreen:
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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Fri Aug 02, 2013 5:36 am

If you post clear photos of the front & back of the board we can check the assembly.

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Re: TV-B-Gone Functions but will not stop cycling codes

by portzt on Sat Aug 03, 2013 2:10 pm

Hello, here are a few pictures. I am fairly certain this has something to do with my solder work. This was the first project I soldered since high school :D.
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IMG_0306.JPG
IMG_0306.JPG (416.45 KiB) Viewed 2339 times
IMG_0304.JPG
IMG_0304.JPG (414.74 KiB) Viewed 2339 times
IMG_0303.JPG
IMG_0303.JPG (404.1 KiB) Viewed 2339 times
Technology is a gift of God. After the gift of life it is perhaps the greatest of God's gifts. It is the mother of civilizations, of arts and of sciences.

- Freeman Dyson

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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Sun Aug 04, 2013 5:45 am

The soldering looks good for the most part. One leg of C2 looks strange. It doesn't look like there is enough solder there to make a reliable joint.

Also, you have a few solder spatters and a stray wire strand on the positive battery lead. You should clean these up so they don't break loose and cause a short circuit.

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Re: TV-B-Gone Functions but will not stop cycling codes

by Adam_tlllls on Fri Aug 23, 2013 8:32 pm

I have the same problem. Could it be that the switch is inserted wrong? As soon as I put the batteries in, the Tv-B-Gone starts doing it's thing, and sometimes it will not turn itself until after a few minutes. Im not positive, but I believe that I caught it turning itself on once or twice too.
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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Fri Aug 23, 2013 8:37 pm

Adam_tlllls - The switch is symmetrical. There are only 2 ways to insert it and both will work. If you post photos of the front & back of the board we'll check your assembly.

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Re: TV-B-Gone Functions but will not stop cycling codes

by Adam_tlllls on Fri Aug 23, 2013 11:45 pm

Here's a pick of the front. Can you tell what the problem. I don't necessarily want to photo the back until I can get some more of that special tape that holds it all together. If it helps at all, I noticed that it turned on before I pushed the button, when I tested it with only the battery pack, R5, ceramic capacitor, switch, led, and micro-controller soldered in. I am fairly confident in my solder work as I have been soldering for a good 8 years before this project. I checked my work to make sure that I did not bridge any connections, and supplied sufficient solder to each connection. Although I have been wrong before.
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Tv-B-Gone 2.jpg
Tv-B-Gone 2.jpg (353.29 KiB) Viewed 1644 times
Tv-B-Gone 1.jpg
Tv-B-Gone 1.jpg (378.04 KiB) Viewed 1644 times
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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Sat Aug 24, 2013 5:41 am

The top-side solder and component placement all look good.
If you have a multimeter, check the resistance across the reset button (use any two diagonal pairs of pins).

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Re: TV-B-Gone Functions but will not stop cycling codes

by Adam_tlllls on Sat Aug 24, 2013 2:01 pm

I get 30 ohms when testing one one set of connections and don't get any resistance when testing another.
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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Sat Aug 24, 2013 2:42 pm

and don't get any resistance when testing another.

Can you clarify? Do you measure 0 ohms, or an open circuit?

Also, if you are measuring diagonally opposite corners, it should be the same for both diagonals. Measure again.

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Re: TV-B-Gone Functions but will not stop cycling codes

by Adam_tlllls on Sat Aug 24, 2013 6:32 pm

I measured again. I am getting 30 ohms on one set of diagonal connections, and an open circuit on the other. Something may be wrong with the switch maybe?
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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Sun Aug 25, 2013 5:44 am

Something odd there. Remove the switch from the board and do the same measurements on just the pads.

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Re: TV-B-Gone Functions but will not stop cycling codes

by wimbley on Tue Sep 10, 2013 9:57 pm

I hate to hijack a thread, but I'm having the same issue. At first I thought it was because I mistakenly added r2, but I removed it with no change.
I removed the switch, and am measuring an open circuit across both diagonal pairs on the switch. Same goes for the pads.

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Re: TV-B-Gone Functions but will not stop cycling codes

by adafruit_support_bill on Wed Sep 11, 2013 6:36 am

@Wimbley - post photos of the front & back of your board.

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Re: TV-B-Gone Functions but will not stop cycling codes

by wimbley on Wed Sep 11, 2013 1:12 pm

Photos. Chip was removed before I desoldered the switch. Put the chip back in, issue persists.
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DSCN1824.jpg
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DSCN1830.jpg
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Please be positive and constructive with your questions and comments.