Vince's Repair Thread - (Console Repairs & Mods)

[Death] said:
which are you after? ill keep an eye out for any deals for you :)
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I'm looking for a boxed copy of blue for the OG gameboy and a boxed copy of Silver for the colour. But everywhere wants like £100-£200 for each one. I guess I could just grab the carts for like £30 or something. Seems crazy, just wanted to sort of have some nostalgia and a few genuine carts. All i have is robot wars and its not great, mind you with tetris coming that will keep me happy!
 
Pow!! £30 fixer upper box is here.. so happy with this one!! Dmg gameboy had a copy of tetris in it and is in great condition, one of the best I've seen recently!!



Fully boxed copy of sonic plus everything else, this really is an absolute bargain!! Later I shall have a little play, see what works and what doesn't. Can't test OG gamecube/megadrive pads etc so will have to just take it as it comes!!

With the dmg gameboy... it really might be worth shifting this as is, it's so clean and original, sound and the screen work perfectly...



And that same screen on my modded colour for comparison...





What would you do with the dmg?
 
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[Death] said:
I would be adding that to my personal collection, will defo hold its value
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Still deciding! Did you know the pinout for the data lines and frankly everything for the sega is in the manual:

https://segaretro.org/images/a/af/S...I_-_Mega_Drive_II_(PAL)_-_001_-_June_1993.pdf

Super interesting as well it suggests that a black screen if that is what you are getting means you likely have clock signal but one of the other data lines is missing. I guess the best thing for you to start doing given this info is checking the continuity on the traces from the cartridge slot to the 68000 and the SEGA chip. the ones that data travels over are the VD0-VD15 and VA1-23 pins on the cart slot in the megadrive, these connect directly to the 68000 (IC1) and the big SEGA 315 chip (IC6). I am right in saying you had a black screen and no sound right? Oh and that it powers up!
 
Ye black screen no sound . Seems the snes is the same but that’s even more common, found a diode for the multi out switching blown on back and fuse popped , changed both solid black, pins are perfect everything clean, I’m guessin when it went it sent ac to whole board . May be looking at a bad cpu according to data sheets , not my week!
 
After much messing about I have my master system 2 taking current - I don't have any idea if it works as dont have the correct RF stuff to test it... This then means that the only way to test with what is available to me is to AV mod this board! All you need to do this is a 16v 220uf cap, a 75 ohm resistor and some ports. All of this is on the way but until then I will likely move onto the next thing for a few days:



I found a lot of bad joints etc on this so ive had a good once over of the board already, its in a terrible state cosmetically with some broken bits on the housing, if it works though I do expect to make a little bit on it with the mods in place. Perhaps it will sell around the £25 mark if working and modded.

Few updates - The DMG is too good for me to keep. Id rather a tatty example that I can mod and not feel like I am taking another good example of a working DMG out of action. I think ill list this as is (with a small clean up) over the next few days.

The OG shell of my gameboy colour is listed so some money back there. I will also be listing some of the spare switch lite components to grab a few quid back on the stuff that is of no use to me. Over the next few days ill get the spreadsheet updated accordingly.
 
[Death] said:
What’s the rf port look like? I may have one here you can have
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A total mess... I have loads of RF's even a original megadrive one but nothing fits, tbh nobody will want it as RF only anyway so we will throw a quick AV mod in the mix. The only parts I need really are the RCA connectors so ill just await them.
 
With my new found love for my little gameboy colour I bought an everdrive cart :D Been playing tetris quite a lot today, managed a 850k score beating the previous owner :cry: Couldn't be having somebody else at the top of the leader board now could we.



tetris DX looks great on this!



I think this my be my favourite so far you know.
 
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Emlyn_Dewar said:
I started a game called Mole Mania this week. Definitely recommend you throw that on the everdrive and give it a go.
Gameboy Color is the way forward.
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Everdrive is a Chinese knock off jobbie so even that wont be here for like a month or something. I love the Colour but its still silly expensive to make a decent library.
 
Reflowed each chip and section at a time , seems the z80 and sega vdp were the final ones I did that sorted it , redone all solder points on the back of cartridge slot just in case too :)

p.s yes I’m Casper on discord :p
 
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