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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 4:27 am 


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Joined: 26 Feb 2018
Posts: 36
Location: Frederick, MD
FBX wrote:
Danexmurder wrote:
I was wondering if anyone that has updated their NESRGB Palettes can chime in. I'm trying to update the palettes on my board on a windows 10 machine and it's failing out every time I try to program it with the Quartus 2 software. I'm at a loss here. The Green "ACT" light will light up when I try to send the signal but I get a (Failed) in the progress bar every time. Thanks!


Might want to check my web site and make sure you've got everything in the right vias with a good connection, and yes, the NES needs to be powered on. I got to where it was such a messy pain in the ass that I installed a 10-line ribbon port that the Altrea USB Blasters use on my NES:

http://www.firebrandx.com/nespalette.html

-FBX


Finally got it working and updated! Turns out I had the J-tag adapter board inverted. Flipped it around and resoldered and the update worked like a charm on the first try. Went with PC10/Wavebeam/FBXSmooth. My single pole 4-throw rotary switch works great and I still have composite out if it’s in the 4th position.

I DO have a rollinging band of interference that scrolls vertically down the screen. It’s barely noticeable in games like Mega Man 2 but you can’t miss it in Mario games. Any suggestions on what could be the culprit?

I’m also curious about the de-jitter board. Think I’d notice an improvement on a CRT?


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 5:03 am 



Joined: 19 Jul 2017
Posts: 903
Danexmurder wrote:
I’m also curious about the de-jitter board. Think I’d notice an improvement on a CRT?

I'm not sure what kind of improvement you're looking for. The dejitter mod, as I understand it, is mainly to improve compatibility with flat-panel displays that can't tolerate an imperfect sync cadence. CRTs will tolerate the imperfections in these consoles; if the jittery sync made a difference with CRTs, I'm sure these consoles would never have been released the way they were.


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 5:32 am 


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Joined: 26 Feb 2018
Posts: 36
Location: Frederick, MD
nmalinoski wrote:
Danexmurder wrote:
I’m also curious about the de-jitter board. Think I’d notice an improvement on a CRT?

I'm not sure what kind of improvement you're looking for. The dejitter mod, as I understand it, is mainly to improve compatibility with flat-panel displays that can't tolerate an imperfect sync cadence. CRTs will tolerate the imperfections in these consoles; if the jittery sync made a difference with CRTs, I'm sure these consoles would never have been released the way they were.


In general when games are horizontally scrolling I’m noticing a fair amount of jitter in the movement. This is on my Sony PVMs/BVM. I was curious if the dejitter board would smooth it out in a way that would be noticeable.


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 8:22 am 


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Joined: 01 Sep 2018
Posts: 34
Danexmurder, if it's like band of static over the screen then that's what I had. Got so frustrated trying to solve it thinking I must have a short on the NESRGB somewhere, so I went and asked Voultar on twitter and he told me it was a power issue. Bought a 2A PSU and I haven't seen the interference since. My guess is the NESRGB board draws extra power, which is too much for 1A. Try and find a 9V 2A PSU on amazon, and check the reviews.


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 11:04 am 


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Posts: 2165
Location: DFW area, Texas
If you're going to get a power supply, the best ones to get are Triads. They are rated at level VI energy efficiency and never get hot, even when you leave them plugged in all the time. From what I understand, you can use DC adapters on the NES even though the OEM is AC. I'd recommend this one if such is the case:

https://www.digikey.com/product-detail/en/triad-magnetics/WSU090-2500-13/237-2222-ND/6600156

Edit: Just tried it with one of my own 9V 2.5A Triads and it works great. Polarity doesn't matter either, so you can use center-negative or center-positive.

Also, there has been an issue with counterfeit parts causing bad PQ in some NESRGB boards. I recall some months back doing a replacement for a customer, and it fixed all their problems. You might want to look into that as well. I believe Tim wrote about it on his web site.

-FBX
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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 12:56 pm 


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Posts: 34
Yes, with the North American and PAL NES as well as the PAL snes, they take 9V AC. However, passing centre positive or negative is fine as it simply runs right through the voltage regulator. Just remember that Famicom and AV Famicom need centre negative, as I have a PAL NES and AV Famicom I need to be careful with PSU's. Thanks for the reccomendation FBX, I'm interested in getting a retroDCpowered but the pre order never seems open


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Dec 31, 2018 9:07 pm 


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Joined: 26 Feb 2018
Posts: 36
Location: Frederick, MD
FBX wrote:
If you're going to get a power supply, the best ones to get are Triads. They are rated at level VI energy efficiency and never get hot, even when you leave them plugged in all the time. From what I understand, you can use DC adapters on the NES even though the OEM is AC. I'd recommend this one if such is the case:

https://www.digikey.com/product-detail/en/triad-magnetics/WSU090-2500-13/237-2222-ND/6600156

Edit: Just tried it with one of my own 9V 2.5A Triads and it works great. Polarity doesn't matter either, so you can use center-negative or center-positive.

Also, there has been an issue with counterfeit parts causing bad PQ in some NESRGB boards. I recall some months back doing a replacement for a customer, and it fixed all their problems. You might want to look into that as well. I believe Tim wrote about it on his web site.

-FBX


Thanks for all the help! Ordered that power supply. I'm really hoping that'll take care of the issue. At the very least we're narrowing down variables. Can't wait to have it all working properly.

Quote:
Danexmurder, if it's like band of static over the screen then that's what I had. Got so frustrated trying to solve it thinking I must have a short on the NESRGB somewhere, so I went and asked Voultar on twitter and he told me it was a power issue. Bought a 2A PSU and I haven't seen the interference since. My guess is the NESRGB board draws extra power, which is too much for 1A. Try and find a 9V 2A PSU on amazon, and check the reviews.


Ordered the one FBX suggested. Thanks for the input! I wish there was a little more documentation about this specifically.


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Jan 07, 2019 8:16 pm 


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Joined: 26 Feb 2018
Posts: 36
Location: Frederick, MD
I just wanted to pop in to say that the Triad power supply did the trick! I have totally clean RGB signal, no interference at all. I couldn't be happier with how it looks. Thanks for all the help!

Here's a shot of MM3 using the Wavebeam pallette on a BVM-14F5U

Image


Last edited by Danexmurder on Tue Jan 08, 2019 3:10 pm, edited 1 time in total.

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 Post subject: Re: NESRGB board available now
PostPosted: Mon Jan 07, 2019 9:26 pm 


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Posts: 2165
Location: DFW area, Texas
You get a big minus sign? :-P
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 Post subject: Re: NESRGB board available now
PostPosted: Mon Jan 07, 2019 11:03 pm 


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Joined: 01 Sep 2018
Posts: 34
FBX wrote:
You get a big minus sign? :-P


Yup I'm just getting a big stop sign. :P

Glad to hear your problem is solved


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 Post subject: Re: NESRGB board available now
PostPosted: Thu Jan 10, 2019 10:02 am 


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Joined: 15 Jul 2016
Posts: 52
Location: United Kingdom
Hi all,

I am going to get my AV Famicom modded with Tim's RGB board soon, which is long over due. I am keen for a clean no-cut mod but want the ability to swap pallets if needed but don't want the IGR board installed, as I said I want it a clean and minimalist install as much as possible. So can a switch be soldered directly to the RGB board so if I really need to swap pallets I could by opening up the console?

I plan on having the firmware updated with FBX Smooth, NES Classic and perhaps Wavebeam. After I made an initial choice and play around a bit I probably won't swap them again but it would be handy to have the option if I felt it absolutely necessary to do.

Thanks for any advice.


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 Post subject: Re: NESRGB board available now
PostPosted: Thu Jan 10, 2019 10:48 am 



Joined: 02 Jan 2016
Posts: 80
Larrs888 wrote:
Hi all,

I am going to get my AV Famicom modded with Tim's RGB board soon, which is long over due. I am keen for a clean no-cut mod but want the ability to swap pallets if needed but don't want the IGR board installed, as I said I want it a clean and minimalist install as much as possible. So can a switch be soldered directly to the RGB board so if I really need to swap pallets I could by opening up the console?

I plan on having the firmware updated with FBX Smooth, NES Classic and perhaps Wavebeam. After I made an initial choice and play around a bit I probably won't swap them again but it would be handy to have the option if I felt it absolutely necessary to do.

Thanks for any advice.


Misread your post. Yes you can solder a switch to the NESRGB board.


Last edited by unmaker on Thu Jan 10, 2019 11:25 am, edited 2 times in total.

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 Post subject: Re: NESRGB board available now
PostPosted: Thu Jan 10, 2019 11:19 am 


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Joined: 20 Jul 2017
Posts: 338
Yeah there is no reason the palette switch couldn't be internal. Also, I saw a gametech video where he put the palette switch inside the cartridge slot, still requires slight modification to the case but completely invisible from the outside.


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Jan 14, 2019 12:17 pm 


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Joined: 15 Jul 2016
Posts: 52
Location: United Kingdom
Thanks to the two above posted your advice is much appreciated. I’ll explore an internal switch, the AV Famicom I picked up last year is in pristine condition I mean seriously it could pass for new old stock(one of the pads has never even been opened) so I’m definitely after a simple and crlean as possible RGB install,It’s almost shame to mod it at all but I did buy it to actually play games on.


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 Post subject: Re: NESRGB board available now
PostPosted: Mon Jan 14, 2019 6:17 pm 



Joined: 14 Jan 2019
Posts: 1
Installed NESRGB in my AV Famicom. By far the most involved soldering (and desoldering) job I've ever done, but it went off without a hitch.

I do have a USB blaster but I have not tried updating the palette yet -- I read the instructions that the console's power should be ON. Should a game be inserted during this procedure? Or does it not matter?


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 Post subject: Re: NESRGB board available now
PostPosted: Tue Jan 15, 2019 7:38 pm 


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Joined: 26 Feb 2018
Posts: 36
Location: Frederick, MD
stlpaul wrote:
Installed NESRGB in my AV Famicom. By far the most involved soldering (and desoldering) job I've ever done, but it went off without a hitch.

I do have a USB blaster but I have not tried updating the palette yet -- I read the instructions that the console's power should be ON. Should a game be inserted during this procedure? Or does it not matter?


When I updated my firmware I didn't have a game in the console.


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 Post subject: Re: NESRGB board available now
PostPosted: Wed Jan 16, 2019 2:01 am 


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Joined: 18 Feb 2015
Posts: 2165
Location: DFW area, Texas
Don't need a game, just power to the RGB board. Technically you can supply power to the board directly instead of powering on the NES, but it's easier to just turn on the NES to supply power.
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