Re: Troubleshooting on an Apple II

["Jplcsch" <jplcsch@wanadoo.fr>]

If the advice prior don't work you can try this

No message No beep
             IC  to change
                74S86 at B2
Message No Beep
            IC  to change
                        74S175 at B1
                        74LS153 at C1
                        75S195 at C2
No message  but Beep
            IC  to change
                       74LS00 at A2
                        74LS02 at B13
                        75S195 at C2


"spacealbum" <dbackenkoehler@t-online.de> wrote in message
1127913352.447169.134530@g14g2000cwa.googlegroups.com">news:1127913352.447169.134530@g14g2000cwa.googlegroups.com...
> I have an original Apple II which unfortunately is not working any
> more. The power supply gives correct voltages, but there is no beep
> when I power it up and no proper signal appears on the screen, even
> after a reset / ctrl-reset.
> I do have some scematics as well (Gardner and Sams) but don't know
> where to start.
> Can anyone help?
> spacealbum
>