mtlatc
mtlatc
@mtlatc
Member
Joined: 2022-10-18 10:15 am
Last seen: 2023-09-27 12:34 pm
Topics: 5 / Replies: 21
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RE: UA7812C Replacement Advice

@davee — Like I said someone way smarter than me. 😆 I was considering putting it on the power supply board for a TI 994/A computer. The board brings i...

1 year ago
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RE: UA7812C Replacement Advice

@inst-tech thank you very much for your response.

1 year ago
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RE: UA7812C Replacement Advice

@Davee Thanks for the awesome response. Since it will be placed on a AC to DC converter board I don't think "noise" will be an issue. I'll see if I ...

1 year ago
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Replies: 7
Views: 437
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RE: Power Supply Troubleshooting Advice Needed

Just in case someone comes along later searching for help. Long story short I replaced the TIP31 and the UA723CN (which I managed to smoke during trou...

1 year ago
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RE: Power Supply Troubleshooting Advice Needed

@zander -- I used Bill's video on making the ATX power supply (3.3V, 5V and 12V) and could easily modify that to provide the -5V option and power the ...

1 year ago
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RE: Power Supply Troubleshooting Advice Needed

@ALL -- I guess in the future I should be more detailed. My "power supply" which is what I would call the unit that plugs directly into the wall work...

1 year ago
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RE: Power Supply Troubleshooting Advice Needed

Ok. So by “wall adapter” I mean the stock power supply that came with the TI 99 4/A. It has four pins and supply’s 18V and 7.5V I have tested it p...

1 year ago
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RE: New guy with a question.

Thank you. Found where to post it just have to wait for it to be approved. Again thanks for your response.

1 year ago
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Replies: 15
Views: 1089
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Replies: 2
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