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Topic: Wii HDMI Adapter No Video but sound, A/V working

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Flyinghelix

Hello,
I picked up a very cheap Wii and started refurbishing it a bit and have problems with my Video out. The original A/V cables (the red, white and yellow ones) work ok'ish, dimmer compared to the other Wiis I worked on, and some colors flicker a lot. The Problem though is that both (different) wii2hdmi adapters don't work on that one, but on the others. A av2hdmi external converter works, but also has color and fuzzyness issues.
I cleaned the port, the board and reapplied thermal pads, didn't see any obvious component issues, weak solder joints or rust, and I also tried to look for components getting hot with the propanol evaporation method, but I can't seem to find the issue.
Im guessing it's a problem with the video chip, but do you guys have any other suggestions that I could try before that?

Flyinghelix

ThanosReXXX

@Flyinghelix I'd say you could also try with a component cable, depending on how dim the image through normal A/V cables is, otherwise it might not be worth the trouble. But if the image is still okay regardless, then you might want to give that a go. Decent component cables can be bought on Amazon for around 10 - 15 euros. Or of course in any other video game store in your particular area.

Other than that, I don't think that there's much else left besides trying to get your hands on a new/refurbished main board, because it seems like you've already done quite a thorough job on the rest of the components.

EDIT:
Component cables are also far superior to those Wii2HDMI modules. I used to own one myself, but I found that I could get a clearer, more steady picture from component cables. And the Wii2HDMI module also did some weird screen size scaling on my USB loader and when switching from PAL to NTSC games, so I got rid of it pretty quickly.

Edited on by ThanosReXXX

'The console wars are like boobs. Sony and Microsoft fight over which ones look the nicest and Nintendo's are the most fun to play with.'

Nintendo Network ID: ThanosReXX

Flyinghelix

Thanks for the quick answer. And the suggestions!
I don't have component cables on hand, but I might try those then. The problem is, I don't have a monitor that can have them as input, so I basically still need to convert them to HDMI or something down the line anyways, that's why I picked up the 2 wii2 HDMI adapters. And one is a scaler while the other one basically just turns the signal to HDMI in the original picture 480p, which looks way better, because the tv can zoom in better than the adapter scale. But if component looks nicer, even after adapting it to HDMI, I might switch over.
Any ideas if some specific resistors or capacitors could be the issue or what point I could messer to narrow down the problem further? I'm willing to spend way more time, if it avoids spending money on a motherboard..

Flyinghelix

ThanosReXXX

@Flyinghelix You're welcome.
I do have to add that I'm not that familiar with the Wii PCB's specifics. I'm not much of a DIY hardware fixing guy anyways, unless it's fixing and/or building PC's...

As for the component cable suggestion: I wasn't aware that we were talking about monitors. I suppose I simply assumed you were displaying your consoles on a regular TV.

As for motherboards, they really aren't that expensive, so you could always keep it in mind as an option:
https://www.ebay.com/b/Nintendo-Wii-Replacement-Motherboards/...

If you ultimately do choose to perform a motherboard replacement, then this link might come in handy:
https://www.ifixit.com/Guide/Nintendo+Wii+Motherboard+Replace...
even though you might already know how to take a Wii apart, from what I've read in your first comment...

On a side note: if you want to react to someone's comment, then you might wanna use the reply button next to their user name. If you don't, they won't know that you've replied to them. I was already keeping an eye on this topic just in case, and saw it pop up on the front page, but if I hadn't, I would never have known.

Edited on by ThanosReXXX

'The console wars are like boobs. Sony and Microsoft fight over which ones look the nicest and Nintendo's are the most fun to play with.'

Nintendo Network ID: ThanosReXX

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