08-23-2022, 09:59 PM
No, you don't need to ground the crystal.
By swapping chips, do you mean that you swapped chips with a known working C64? If so, I would recommend that you look at your solder joints. Also, make sure that you didn't splash solder anywhere near the surface mount video circuitry.
By swapping chips, do you mean that you swapped chips with a known working C64? If so, I would recommend that you look at your solder joints. Also, make sure that you didn't splash solder anywhere near the surface mount video circuitry.