Re: You can't , you NEED to have a PAL cartridge inserted.

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This message was posted by Mark, posted on July 01, 2001 at 08:47:01 coming from 62.189.34
This message is a reply to Re: You can't , you NEED to have a PAL cartridge inserted. NT posted from Clark posted at June 29, 2001 at 18:27:37
> If the lockout chip is the one with no chip numbers on it I replaced it and all I got was some coloured bands going up the screen.
> Slightly more than I got with the original chip inserted.
> There are no jumpers and there is an empty chip slot wich says 157 under it however there are two 74ls157 chips fitted above this one and they also say 157 under the chip

Sounds like you replaced a 74LS157 logic IC (which would not work).

Are you able to scan or photograph your copier's circuit board? Being able to see it would help. Upload a picture to some web space. Make it decent resolution so text printed on the chips is legible.

-- Mark

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Message	> > If the lockout chip is the one with no chip numbers on it I replaced it and all I got was some coloured bands going up the screen. > > Slightly more than I got with the original chip inserted. > > There are no jumpers and there is an empty chip slot wich says 157 under it however there are two 74ls157 chips fitted above this one and they also say 157 under the chip > Sounds like you replaced a 74LS157 logic IC (which would not work). > Are you able to scan or photograph your copier's circuit board? Being able to see it would help. Upload a picture to some web space. Make it decent resolution so text printed on the chips is legible. > -- Mark
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