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All Posts (3DBoyColor)




#211
Re: Performing a bypass surgery on my VB
Posted on: 2013/3/27 8:45
Nintendoid!
Joined 2013/3/25
218 Posts
Long Time User (6 Years)
I imagine the bad ribbon cables thing will make the Virtual Boy rarer as people inevitably throw away their units.
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#212
Re: How dead is my Virtual Boy?
Posted on: 2013/3/26 8:42
Nintendoid!
Joined 2013/3/25
218 Posts
Long Time User (6 Years)
It sounds like you guys have information on the display pinout, may I have it if you do? I'd like to better understand what the signal lines do.

It's encouraging to see these displays take that kind of "abuse" and still work. Perhaps my Virtual Boy can live again, if I can just dedicate several afternoons to soldering like... 62 wires... For both displays.

I think I see what I need to solder on the display board... But how does it go on the FFC connector at the main board? Do I just solder one wire for the two "double traces" which are probably ground or voltage? Do I just determine the wires needed on the display board by the number of contacts on the FFC connector?

(I don't know what you guys call them, but technically the black ribbon cable connectors are for flat flex cables, FFC)

Again thanks for the words of encouragement and your answers to my questions, guys. If I get this Virtual Boy working, I intend to use it. I'll celebrate with Wario Land.

Oh yeah I forgot to ask earlier... How many wires are required for one display? I counted 31, not sure if I included the "double traces" or not. I guess I should depend on the FFC connector for that haha, but I just want to be sure.
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#213
Re: Performing a bypass surgery on my VB
Posted on: 2013/3/26 8:31
Nintendoid!
Joined 2013/3/25
218 Posts
Long Time User (6 Years)
Absolutely incredible soldering job, hats off to you man! The cherry on the cake is that your VB works now!

Sad thing is I will have to do this for my own Virtual Boy. I have kynar wire, but I'm also thinking of doing it with IDE wire, mostly because IDE comes in a nice ribbon cable-like arrangement, unless you peel wires off. That and I hate stripping kynar wires, the insulation never wants to let go. The downside though is IDE can break rather easily, kynar is pretty tough.

Any suggestions for soldering to the FFC connector on the main board? Did you just angle the board so you're solder right onto the back panel of the connector? How often did the other parts nearby get in the way?
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#214
Re: How dead is my Virtual Boy?
Posted on: 2013/3/26 0:08
Nintendoid!
Joined 2013/3/25
218 Posts
Long Time User (6 Years)
Thank you for the help, it encourages me to pick up this project again and wire up the displays "the hard way", since there might be some guarantee the system is not totally screwed.

What I meant by main board damage is, can shorting lines somewhere on the display board connections, damage the main board in some way? Or no?

Also, can somebody show me specifically which traces have to be connected on the display board? And how they connect to the FFC connector on the main board? I just want to be sure. I think there are two traces that do the same function (probably ground). Also, it seems like there are three traces on each side of the display board edge that don't do anything... Is this correct?
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#215
Re: How dead is my Virtual Boy?
Posted on: 2013/3/25 20:20
Nintendoid!
Joined 2013/3/25
218 Posts
Long Time User (6 Years)
Yes one of the ribbon cables is totaled. How creased does one ribbon cable have to get before it doesn't work anymore?

What I'm trying to ask is how durable are the displays? And is it possible that the main board can be damaged in a way that it can't output to the display boards? Should I bother attempting a bypass surgery on the one display to start? I don't want to bother if the display boards can be damaged easily.
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#216
How dead is my Virtual Boy?
Posted on: 2013/3/25 8:19
Nintendoid!
Joined 2013/3/25
218 Posts
Long Time User (6 Years)
Tried to fix a Virtual Boy with very glitchy displays. The one had no graphics, just red lines. The other had graphics but they were very faint, extremely hard to see. I got it open and tried to solder one of the display boards, left the other alone. I ruined the ribbon cable after a couple of attempts on it, then I tried soldering individual wires to the ribbon cable contacts and plugged the wires into the FFC socket on the main board.

Right now neither display shows any graphics at all. Absolutely nothing. The mirrors still oscillate and the sound still works. The display boards kind of got tossed around by accident as well. How dead is my Virtual Boy? How durable are the display boards? Should I bother doing the "bypass surgery" shown in that other thread?
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