mecha
Well-known member
I got my wiring harness in the other day and converted my DK cab over from 4-board to 2-board and tried running the 2-board set I had laying around. I was a little disappointed that I went from one set that would randomly freeze (probably due to the standard switching PSU mod that was done on it vs. running an actual Nintendo unit) to one that doesn't even work.
it makes the startup sound, but just a black screen, which by my guesstimation means the sound chip is good and the main CPU is bad. I tested for voltage at the CPU and got nothing, and a healthy 5.09V at the sound chip.
initially the CPU wasn't even in all the way. I took it out and cleaned the corrosion off the legs and reinserted it to no avail.
didn't notice any damaged components on the boards. could the chip just be bad?
I loaded my DK3 board in there for now, pretty fun game. mysteriously the wave effect (symptomatic of high/low B+/bad filter cap etc. that I fixed/replaced) that I had in the monitor before with the 4-board DK has gone away completely. does that VR2 pot have anything to do with that?
it makes the startup sound, but just a black screen, which by my guesstimation means the sound chip is good and the main CPU is bad. I tested for voltage at the CPU and got nothing, and a healthy 5.09V at the sound chip.
initially the CPU wasn't even in all the way. I took it out and cleaned the corrosion off the legs and reinserted it to no avail.
didn't notice any damaged components on the boards. could the chip just be bad?
I loaded my DK3 board in there for now, pretty fun game. mysteriously the wave effect (symptomatic of high/low B+/bad filter cap etc. that I fixed/replaced) that I had in the monitor before with the 4-board DK has gone away completely. does that VR2 pot have anything to do with that?