Hardware Jasper with parasitted HDMI

giovany86 · Sep 30, 2018

Hello everyone, i'm having a weird problem on a Jasper 360.

With the AV Port, absolutely no problem BUT with the HDMI...it's weird.

I tested it with 10 different HDMI cables, on 4 different TV, on some TV there is just "No Signal" and on others, it's clear, the image is here BUT with some stranges parasites on the background waves.

I cleaned the entire motherboard, changed thermal paste, even tried a Falcon PSU instead of it's original but nothing worked.

Anyone have an idea about what can cause this weird issue / how to solve it?

I have a dead jasper motherboard laying around, should i try to replace the chip who manage the HDMI signal with the one from the dead jasper (i have a small hot air work station)?

Thanks for your time and have a good day / night / noon / week-end

brickmii82 · Sep 30, 2018

Have you tried this? https://blogs.msdn.microsoft.com/mt...the-display-settings-of-the-xbox-360-console/

PagaN · Sep 30, 2018

just broken hdmi port bcose u hotplug cable then tv and console working and burned port.

giovany86 · Sep 30, 2018

@brickmii82 Yeah of course i tried

@PagaN nope, i bought it like that x) the seller said that it does weird things like that so i'm looking for a fix x)

brickmii82 · Sep 30, 2018

Welp, Im out. Have fun with that hot air station.

giovany86 · Sep 30, 2018

I'll get it back to my house on the end of october, i hope it will work x)

DinohScene · Oct 1, 2018

If the HANA chip is busted or has a cold solder joint then the unit should spew out a E error on screen and RROD.
It could very well be that your HDMI port is just fucked.

giovany86 · Oct 1, 2018

I saw a video on youtube where a trinity 360 has exactly the same problem as mine, the guy fixed it by replacing the Hana chip, if i do that with the one (working) from the dead jasper mobo should it work ? I don't think it's the hdmi port the problem because it "work" on some others tv (juste with some parasites likes with badly overclocked graphic cards), it's a bit like that but on the home dash (on the background waves, i didn't tried with games because i didn't have one at the moment i bought it) :

DinohScene · Oct 1, 2018

There's nothing stopping you from transplanting them.
You can attempt it.

giovany86 · Oct 1, 2018

i've already transplanted parts from a dead psp mobo to another psp mobo and it worked x)

DinohScene · Oct 1, 2018

Just out of curiosity, what rework station you got?

giovany86 · Oct 1, 2018

I've got this one https://fr.aliexpress.com/item/YOUY...oldering-Station-Hot-Air-Gun/32652548111.html

edit : My 4G was so slow it double posted x)

blazingwolf · Nov 18, 2019

I have a similar issue to the one your having. If using Component fixes it I’m happy for how, but did you ever fix the HDMI output? I have the same problem but it’s green dots and sometimes lines.

Hardware Jasper with parasitted HDMI

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