Turbo Express not working. No power. please help!

[turboexpress]

truly amazing what you guys were able to come up with. Now I don't have to buy an overpriced overgouged converter. yaya!!

but first thing is first. I need to fix the express. Still waiting on some capacitors. They are shipped from Hong Kong, so it could take a while to arrive.

[BlueBMW]

That guy thesteve is fantastic with electronics. He came up with the design basically, I just drew up the boards and had them manufactured.

truly amazing what you guys were able to come up with. Now I don't have to buy an overpriced overgouged converter. yaya!!

but first thing is first. I need to fix the express. Still waiting on some capacitors. They are shipped from Hong Kong, so it could take a while to arrive.

[turboexpress]

still waiting on a few capacitors. They are being shipped from Hong Kong so the seller says it might take a while. It's been a few weeks already, so 1 more week I'm guessing. Can't wait to start working on the TE.

[turboexpress]

progress!! all the capacitors came in. I replaced the whole sound section caps, I cleaned the switch and resoldered some points. Resoldered the adapter jack.

Boom!!!! the system turns on, the sound is very loud and thecontrols work as I can hear that when I press the buttons.

Here is the bad news...The screen is still black. There is no life at all in the screen. It looks straight up black, just as if it would when the system is off.

So while I am definitely making some progress here, I need to figure out what needs to be done to fix the screen issue.

Will replacing all the capacitors in the video section fix this? Anything else? Thanks in advance guys. I can really use some help here.

[FABombjoy]

You need to change them all before troubleshooting further. All the surface mount caps will be bad. I've even seen that little non-surface mount cap on the controller PCB leak, too.

[APE992]

You need to change them all before troubleshooting further. All the surface mount caps will be bad. I've even seen that little non-surface mount cap on the controller PCB leak, too.

This. I've had the same thing happen with GameGears and replacing them all usually fixes it, stopping half way is only introducing a variable into the equation that is not necessary and will render the whole thing unsolvable.

Finish replacing them and get back to us, I think you'll find it works fine now.

[turboexpress]

You need to change them all before troubleshooting further. All the surface mount caps will be bad. I've even seen that little non-surface mount cap on the controller PCB leak, too.

This. I've had the same thing happen with GameGears and replacing them all usually fixes it, stopping half way is only introducing a variable into the equation that is not necessary and will render the whole thing unsolvable.

Finish replacing them and get back to us, I think you'll find it works fine now.

but what do the rest of the capacitors have to do with the screen being black like this? I will do what you guys say, but I just don't understand why do I need to replace capacitors that have nothing to do with the screen. I'm not gonna argue with you guys and I will continue to replace all the caps. I am just curious to know why do all the caps afffect my black screen issue.

I'm glad I got the sound and the power back. So the only thing that's left to fix is the black screen.

Thanks so much guys! I will keep updated.