Re: Re: Omega Race repair

On Thu, 12 Oct 2006 07:23:32 +0400, peter jones <highwayman2000@mail.ru> wrote:

>
>-----Original Message-----
>From: "simon" <simonjhanlon@btopenworld.com>
>To: <vectorlist@vectorlist.org>
>Date: Wed, 11 Oct 2006 23:07:04 +0100
>Subject: VECTOR: Omega Race repair
>
>> Today I thought it was time I fixed my Omega Race, I have a few spare boards for it, most with some acid damaged. I found one that was fairly clean and replaced the 2 ram sockets near the battery. On power up the + and - 15v regulators were getting too hot to touch, I checked between the 2 and had a reading of 35 ohms between the-15 and 15v lines. I suspected one of the Op amps or a DAC was to blame. After pulling 3 of the 4 Op amps I found the bad one,
>
>couldnt you find the bad one by burning your finger on it?
>that works pretty good with dram a lot of the time.

That's a good point!

I'll bet one of those infra-red temperature pointer thingies would work well in
spotting parts that are overheating. You know, after you've burned away the
nerve endings on your 10th finger...

>From the ad at the top of Google:

http://www.testequipmentdepot.com/newequipment/irthermometers.htm?gclid=CI3fptHX8ocCFQU8YQodskxUjQ

-Zonn

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Received on Thu Oct 12 00:23:50 2006