All I will say on the matter is make sure you have and know how to use an
oscilloscope before you start! If you make a mistake in the MG / PWM section
of the board you will need it to bail you out!
Andy
On 22/02/2010 21:51, "ML" <f115@rocketmail.com> wrote:
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> Well I'm glad to hear that most of these are available. I was starting to look
> at those old Hitachi ICs and was getting a bit concerned about those and a few
> others. 798s are pretty pricey. There are a good handful here that seem like
> tough parts to track down.
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> Regarding the calibration: did you guys get the values right from the service
> manual? VR1-VR7? Is there more to it than that? I'm trying my best to avoid
> 'support questions' but I think it's due diligence before diving into buying
> these boards. I'm trying to get a sense of how involved this will be.
> Soldering: no problem. Calibrating: not so sure about that at all, unless it's
> just dialing in correct resistance values. I may even have to flash 8048s and
> that's a whole other matter.
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> Incidentally I also put the word out to a handful of other forums and I see
> some of them have signed on so that's nice!
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