Re[2]: VECTOR:Update on my latest Endeavors to Fix my STAR WARS MAINBoard.

-----Original Message-----
From: Stempak Arcadius-ASTEMPA1 <ASTEMPA1@motorola.com>
To: "'vectorlist@synthcom.com'" <vectorlist@synthcom.com>
Date: Mon, 7 Oct 2002 17:46:47 -0500
Subject: RE: VECTOR:Update on my latest Endeavors to Fix my STAR WARS MAINBoard.

>
>
> Peter,
> *******
>
> With regard to Checking the Various Pins on the the following Parts,
> which you previously reccomended. (See Below for Actual Output Details)
>
> 1.) 74LS74 - Loc 2M - Pin 11 = Output is Pulsing Fast High / Low / High,
> more High than Low.
>
> 2.) 74LS04 - Loc 3P - Pin 3 = Output is Pulsting Fast Low / High / Low,
> more Low than High.
>
> 3.) 74LS161 - Loc 3R - Pin 2 = Output is Pulsing Fast High / Low / High.
>
> 4.) 74LS161 - Loc 2N - Pin 2 = Output is Constant Low
> Pin 11 = Output is Constant High
> Pin 12 = Output is Pulsing High / Low /
> High,etc...
> Pin 13 = Output is Pulsing High / Low /
> High, etc....
> Pin 14 = Output is Constant Low
>
>
>
>
YOU ARE CLOSE!

2M (LS74) PINS 10,12 ARE CONNECTED TO PR96
i suspect that this is a sil array, find the resistor-pack PR96 and check it,

replace 8M (LS138) it resets the IRQ line.

GETTING SO CLOSE NOW, YOU CAN ALMOST SMELL THE BURNT SILICON! :-)

---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to vectorlist-owner@synthcom.com.
Received on Mon Oct 7 21:32:27 2002