Re: Re: Omega Race repair

Yeah maybe but the regulators were getting so hot and I didn't want to blow
the PSU or the regulators when 20 minutes with a desoldering pump did the
trick, I've seen burnt traces on these boards caused by similar faults
----- Original Message -----
From: "Zonn" <mlists@zonn.com>
To: <vectorlist@vectorlist.org>
Sent: Thursday, October 12, 2006 5:27 AM
Subject: Re: VECTOR: Re: VECTOR: 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 03:10:30 2006