EOI: Amplifone High Voltage Boards (Bare PCB) Suit Atari Colour Vectors Star Wars etc

dezbaz said:
OK, added to list

I have 2 types of new Flybacks for my own boards, 1 was from Chad at monitor boss. Is that the Wintron?

I will invesigate and make sure all is well before mass production starts



Yes, Although, maybe hit Takeman up, to see if he can make some

It is made from Aluminum I found
Click to expand...

Get me a sample, an I'll get it quoted out.
Anybody got an Amplipone HV heat sinc? I might have a guy, gotta make a call....
 
Black Matrix said:
First, how much is this in US dollars with shipping. Second, can anyone vouch for this guy. Don't mean to be rude, but I tend to be skittish when it comes to sending money to another country. I like to be able to drive to a guys house if stiffs me. And lets face it, Aussie is one hell of a commute. But if its on the up and up, I'd probably be down for one depending on the price.
Click to expand...

Dez is a good guy. I've dealt with him several times. Straight shooter and good communication.
 
I know it prob says somewhere in the thread what parts are not available to complete a brand new board. Is it just the heat sink? I prob have one that I could send Takeman if they need to be reproduced.
 
djw90 said:
I know it prob says somewhere in the thread what parts are not available to complete a brand new board. Is it just the heat sink? I prob have one that I could send Takeman if they need to be reproduced.
Click to expand...

Parts which are not sourced yet include:
  • The little transformer (T1): I have measured it - but found nothing equiv. (EDIT _ Found it - not tested yet)

Parts which are sourced but not tested include:
  • MC1 - EDIT: Need to rewind toroid coil
  • Focus block from a WG6100 Flyback (Fitted and tested - Documented)
  • Neck Socket (Need to incorporate 3 x resistors) - EDIT: Done and tested - need to add socket - not hard wired
  • Wire suitable for neck connector and harness (seems double insulated) EDIT: Done- Found Harness made for my test - not to be reproduced by me - Sorry
  • Might have to talk to Dokert about making harnesses maybe?
  • Heatsink (Smaller, for Q3) - Found something equiv, modifed PCB to take it- EDIT: Done- Use this H/Sink - Made to fit on the new board

everything else is do-able I believe
 
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If the heat sink is getting repro'd, who agrees it should be larger?

Not longer, but taller like this:

Heatsink_Idea.jpg


We are adding 2 x more resistors, so why not solve another problem - HEAT

Anyone care to comment?
 
dezbaz said:
If the heat sink is getting repro'd, who agrees it should be larger?

Not longer, but taller like this:

Heatsink_Idea.jpg


We are adding 2 x more resistors, so why not solve another problem - HEAT

Anyone care to comment?
Click to expand...

I would like it to look original:) How much taller?? If its not to much taller it would still almost look original...
 
I am thinking most people on the forum would prefer exact replicas over improvements

It is argued over many times

It's really 10 watts more IE what was previously two x 5 Watt resistors

Might just leave the heat sink how it is :)
 
dezbaz said:
I am thinking most people on the forum would prefer exact replicas over improvements

It is argued over many times

It's really 10 watts more IE what was previously two x 5 Watt resistors

Might just leave the heat sink how it is :)
Click to expand...

I can do whatever everyone wants... I can have an estimate on cost as soon as the middle of next week.
 
dezbaz said:
Parts which are not sourced yet include:
  • The little transformer (T1): I have measured it - but found nothing equiv.

everything else is do-able I believe
Click to expand...

I have sourced the shell for this and ordered 10 of them

I have ordered the winding wire to suit also


Soon we may have T1's too, but I will need to make allowances on the PCB to use either new or old
 
As far as the original size heatsink, or an improvement, I agree that people will want a copy of the original, but keep in mind that most anyone purchasing one should also be running fans. That may make more of a difference than the larger heat sink would have without extra fans.
 
Unless I am misunderstanding the point, I would prefer the board and any other parts we can get reproed to be improvements over the original. So I would vote for the larger heat sink preferably with enough room to mount those surface mounted heat sink encased ceramic resistors that always seem to leave burnt spots on the boards. Then if we can just find a source as I think both mouser and digikey are currently out. But as far as the heat sink goes, its a shame the transistors can't be replaced with either a mosfet equivalent or some x-istor like the new digital amps are running since both should run more efficient and cooler. I would bet there is a way to do it, but unfortunately, it would take a more tech savvy person than me to know what component to use. I have heard of people doing similar things with other projects in the past. But again, I'll take what I can get.
 
Black Matrix said:
Unless I am misunderstanding the point, I would prefer the board and any other parts we can get reproed to be improvements over the original. So I would vote for the larger heat sink preferably with enough room to mount those surface mounted heat sink encased ceramic resistors that always seem to leave burnt spots on the boards. Then if we can just find a source as I think both mouser and digikey are currently out. But as far as the heat sink goes, its a shame the transistors can't be replaced with either a mosfet equivalent or some x-istor like the new digital amps are running since both should run more efficient and cooler. I would bet there is a way to do it, but unfortunately, it would take a more tech savvy person than me to know what component to use. I have heard of people doing similar things with other projects in the past. But again, I'll take what I can get.
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Takeman now has the measurements to make the heatsink.
He is about to get a quote this week. It's not me deciding at this point, it's the general public.

I guess if Troy does a heatsink thread and asks if people want larger, or standard, that would solve that one


The Resistors are already moved to the heatsink in my design

I got mine here
http://australia.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=3205012

But don't forget they can be 47 ohms (That's actually what was in the re-build kit from Andy's Arcade - look at his pic carefully)

Some avail here 162 in stock Element14
 
I'm not too sure how much a half inch will make, but as mentioned before, a fan is the best way to cool that HV off.

Might be better to keep the heat sink discussion here so the threads don't get separated / lost.

I'll keep it original for now unless the masses want it changed.
 
I'm for making it larger. I don't want to have to keep rebuilding this thing. The HV board is already not original, it has many improvements and mods that are NOT on the original one. I personally would go for reliability over originality. I mean, if you want original, put a red HV unit on the new board. See how nice that is when it runs for a week. Nobody pulls the back door off of the game and says, "That is an original amp HV board".. They say, it has been bulletproofed with a superior board using mostly original parts and some much newer and more reliable replacements. The 6100 is the same way. But whatever. I go with the group. My vote is bigger is better. (I must be compensating for some sort of shortcoming.) Most people wouldn't know an original heat sink from a bigger one in the first place. I think the new one should have ribs as well but that would probably make it cost prohibitive.
 
komodo said:
I'm for making it larger. I don't want to have to keep rebuilding this thing. The HV board is already not original, it has many improvements and mods that are NOT on the original one. I personally would go for reliability over originality. I mean, if you want original, put a red HV unit on the new board. See how nice that is when it runs for a week. Nobody pulls the back door off of the game and says, "That is an original amp HV board".. They say, it has been bulletproofed with a superior board using mostly original parts and some much newer and more reliable replacements. The 6100 is the same way. But whatever. I go with the group. My vote is bigger is better. (I must be compensating for some sort of shortcoming.) Most people wouldn't know an original heat sink from a bigger one in the first place. I think the new one should have ribs as well but that would probably make it cost prohibitive.
Click to expand...

+1......................
 
Well, I was going to make 2 larger ones just for mine if the group wanted the original.

I would prefer to just buy 2 larger ones

So my vote is for larger
 
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