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K
kuro68k
n00b
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From
UK
Joined
Mar 16, 2024
Last seen
Thursday at 3:07 PM
Posts
28
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K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
A properly wired RGB SCART cable fixed the checkerboard. I haven't wired in the audio yet. I am considering using a MAX1682 to generate...
Wednesday at 8:44 AM
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
I got some cheap silicone glue for PCBs off AliExpress, and it's done a good job securing the inductor. It came in a tube that really...
Apr 20, 2024
K
kuro68k
replied to the thread
Memory card bank switch mod
.
I checked the reset pin on the memory card port with my oscilloscope, it doesn't change when I press the reset button on the console :-(...
Apr 17, 2024
K
kuro68k
posted the thread
Memory card bank switch mod
in
Neo Geo Tech Support
.
I'm going to modify my official memory card with F-RAM. I'd like to go for 32k, but it needs a switch to select the bank. Anyone tried...
Apr 16, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
I don't think there are jailbars, but I might not be seeing them due to the checkerboard pattern. Once I have sorted that out I'll see...
Apr 11, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
I thought about the bypass mod, but I'm not sure if it is necessary or the best option. While I wait for parts for the new cable to...
Apr 11, 2024
K
kuro68k
reacted to
Neo Alec's post
in the thread
AES3-4 repair with low voltage.
with
Like
.
Do an RGB bypass mod. https://www.firebrandx.com/aes3-3-3-4rgbbypass.html https://www.retrorgb.com/aes-rgb-bypass.html
Apr 11, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
I fixed the audio, it was just a bad solder joint. The problem now is that the inductor I found is too big and won't allow me to close...
Apr 10, 2024
K
kuro68k
reacted to
Neo Alec's post
in the thread
AES3-4 repair with low voltage.
with
Like
.
It's been great to watch this badly damaged system come back to life! Well done!
Apr 8, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
Okay, I fixed the palette RAM issue. First I got the diag BIOS to work by flashing it another dozen times. Sometimes a single flash...
Apr 7, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
Yeah... Just looking at the logistics of it. The SCART plug cable grommet isn't large enough for another cable to come out, but SCART...
Apr 7, 2024
K
kuro68k
reacted to
maki's post
in the thread
AES3-4 repair with low voltage.
with
Like
.
use the headphone jack, its what god made it for: stereo sound no need to hack up an AES ;)
Apr 7, 2024
K
kuro68k
reacted to
Neo Alec's post
in the thread
AES3-4 repair with low voltage.
with
Like
.
I tried to rewire my scart cable to use the composite wire as left audio and it didn't work at all for some reason. I may need to get a...
Apr 6, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
I'm a bit embarrassed to post a photo, it's just hanging off the resistor leads I put in the holes, in mid-air. I'll rework it so that...
Apr 6, 2024
K
kuro68k
replied to the thread
AES3-4 repair with low voltage.
.
I traced out both the palette RAM chips and all connections look good, no shorts or breaks. So the chips themselves are suspect. I'll...
Apr 5, 2024
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