Search found 3 matches

by vgfl
Mon Mar 01, 2021 5:09 am
Forum: Help!
Topic: Help needed to fix my C64 - rare KU-14194HB
Replies: 5
Views: 4912

Re: Help needed to fix my C64 - rare KU-14194HB

Actually, I was mistaken, it's not a memory chip at the bottom, it is the Hex inverter, the HD7406P, so I guess it is normal that it is warm. It has the right voltages.
I'll wait for the PLA and for the VIC-II chips to see if it changes anything.
Vincent
by vgfl
Mon Mar 01, 2021 4:39 am
Forum: Help!
Topic: Help needed to fix my C64 - rare KU-14194HB
Replies: 5
Views: 4912

Re: Help needed to fix my C64 - rare KU-14194HB

Thank you, eslapion!
by vgfl
Mon Mar 01, 2021 4:25 am
Forum: Help!
Topic: Help needed to fix my C64 - rare KU-14194HB
Replies: 5
Views: 4912

Help needed to fix my C64 - rare KU-14194HB

Hello there, I am hoping that somebody will find the reason why my C64 displays a black screen. I checked all voltages, they seem all okay (I have three power supplies, black screen with all of them). I have a thermal camera, so I attach a snapshot of the motherboard. For some reason the coloring is...