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Date Posted: 06:44:35 02/28/02 Thu
Author: ChuckY
Subject: Re: A word of caution
In reply to: Potter 's message, "Re: A word of caution" on 05:20:37 02/28/02 Thu

so with the Diode mod and reset you have nothing to lose as the box is un-useable anyway. just yes be carful with fingers around the power suply. so use pin 17 of the CPU instead and that way you dont have to touch the PSU.

now I just need to get a SX18 chip now as I have everything else.




>No, the header only provides a point to inject a video
>signal at the output of the IF chip along with a
>reference level for the AGC filter so that the
>necessary data can be 'forced' into the cpu & sram to
>bring the box back to life even when the tuner is not
>functioning. It does not work in reverse though .
>I wasted a considerable amount of time trying to read
>the sram in-circuit without corrupting it but only
>succeeded in expiring 2 boxes which now work perfectly
>with the tuner & 3chip mods in place.
>
>>I am just wondering if there is any way to setup an
>>interface on the header to read the data out of a
>>working box and write back into a completely screwed
>>one.
>>what ya think?
>>

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