Thanks Steven, thanks Josh, will dig deeper this WE. Thanks for your advices!
On Fri, 2021-10-22 at 12:47 -0400, Stephen Adolph wrote: > Pawel, > Black screen usually indicates a deeper problem than a cap. > +5V good? > -5V good? > activity on the CLK signal at the processor? > check that data and address are toggling @ the main ROM and RAM > sockets? > pull and reseat ROM and RAM modules? > > just a few suggestions. > Do you have something like a scope to be able to look at signals? > > > > On Fri, Oct 22, 2021 at 12:02 PM ExPLIT | Pawel Radomychelski > <exp...@mailbox.org> wrote: > > Thanks Steve, > > Tried cliping it out - same issue. Just black screen > > (screen full of black pixels) > > > > Tried replace the ROM Chip - same. > > Will try to replace the cap. > > > > Thanks > > > > > > On Fri, 2021-10-22 at 09:32 -0400, Stephen Adolph wrote: > > > can you just clip it out and carry on? > > > > > > On Fri, Oct 22, 2021 at 9:10 AM ExPLIT | Pawel Radomychelski > > > <exp...@mailbox.org> wrote: > > > > Hello collegues! > > > > > > > > I bought another "non-working" NEC PC-8201 (Japansese Model). > > > > Found out that one green capacitor 16X 104M is broken. > > > > Now i am looking for the modern replacement. Someone know, > > > > what modern replacment i can use? > > > > > > > > Thanks > > > > > > > > > > -- Kind regards / Mit freundlichen Grüßen ExPLIT IT Solutions Pawel Radomychelski
