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Started By
Message
re: anyone do PCB repair?
Posted on 1/31/17 at 11:48 am to CHEDBALLZ
Posted on 1/31/17 at 11:48 am to CHEDBALLZ
I got the board fixed. The resistor that was blow was reading open and then reading like 200 ohms if you put pressure on it. Yet the solder was tight. Odd.
I couldn't see the bands on the resistor so I did research and zoomed in on a picture of the board and saw a red, red, brown, black, brown resistor, or 221 ohms with 1% tolerance.
I had none of those, but I have tons of 220 ohm (red, red, black, black, brown) so since the tolerance is 1% I have 2.2 ohms in either direction to play with a 220 would be fine.
I put it back together and tested the relay using 8 AA batteries, and it works. I have not hooked the board back up to the oven yet. Going to LaPlace to do that now.
--(though with how this lady just talked to me on the phone I wish I just told her to buy a new board and made my extra $100,
)
I couldn't see the bands on the resistor so I did research and zoomed in on a picture of the board and saw a red, red, brown, black, brown resistor, or 221 ohms with 1% tolerance.
I had none of those, but I have tons of 220 ohm (red, red, black, black, brown) so since the tolerance is 1% I have 2.2 ohms in either direction to play with a 220 would be fine.
I put it back together and tested the relay using 8 AA batteries, and it works. I have not hooked the board back up to the oven yet. Going to LaPlace to do that now.
--(though with how this lady just talked to me on the phone I wish I just told her to buy a new board and made my extra $100,
) 
1
Posted on 1/31/17 at 1:17 pm to Napoleon
quote:
(though with how this lady just talked to me on the phone I wish I just told her to buy a new board and made my extra $100,
While I applaud your willingness to learn a new thing and genuinely help people at a reasonable cost - I feel like it wont be long before you realize why PCB repair is a dead art on a small shop level.
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