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Making a few B&W LAI XY Vector PCBs


dezbaz

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Great, thanks John

 

Got a part number please? :)

I have a few Chassis to do

 

Oh, and can you use a normal electrolytic?

 

No Dez, you need to use a NP.

 

You can buy them from here.

 

http://www.wagneronline.com.au/non-polarised/electrolytic-radial-non-polarised/capacitors/electronic-components/909-9-9090919-909xx3-971895/fl/

 

Regards,

 

Johns-Arcade.

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I mean can you use a polarised +/- Electrolytic :)

 

I wouldn't BUT you can use TWO polarised electros of double the original value - in series with the two +ves connected together and the remaining -ves used to connect to the PCB

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I wouldn't BUT you can use TWO polarised electros of double the original value - in series with the two +ves connected together and the remaining -ves used to connect to the PCB

 

Thanks Mike, and John too :)

 

- - - Updated - - -

 

 

They sell 100V caps, 1uF. This is OK?

The originals were 160V :)

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Thanks Mike, and John too :)

 

- - - Updated - - -

 

They sell 100V caps, 1uF. This is OK?

The originals were 160V :)

 

Hmm... I'm sure they use to stock 160V ones, as Wes was where I bought all my caps from. You could try here.

 

http://www.ebay.com/itm/1uf-160V-Non-Polar-Radial-105-Degree-Capacitor-/360391794613

 

Or maybe Mike?? @Homepin :)

 

Regards,

 

Johns-Arcade

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I may try the 100V caps

 

I can't see more than 100V on them 3 x caps (C202, C203, C204)

 

http://www.dsbelec.iinet.net.au/LAI-KZ-XY-Schematic_2015_DB_Rev-01.jpg

 

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I placed an order at wagner

 

Thanks John.

 

Looks like they also sell the 1.5 ohm Amplifone WG6100 10W resistors (Non-Inductive type) I got some spares

 

They also have them TL082 ICs needed for the XY Generator (Elem14 are all out)

 

:)

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  • 3 weeks later...

Today I finished the assembly of the Chassis

I hooked it up and nothing blew up.

 

But I have no space to work. I barely could make my way behind the machine. I need more room to work safely

 

I have the machine playing blind, and I had some HV. I used my HV probe to discharge to monitor and the chassis had HV, it was already dropping and was at about 4KV when I hooked up the probe

 

Like I say, it's progress

 

I will make some room in there and test my voltages and see what's going on. I have to set the B+ to 115V etc. I may fit a new anode cup on the HV lead. The original one is a bit hardened so risks falling off during the test

 

More soon

 

- - - Updated - - -

 

Oh, and the electrolytics fitted are still the +/- polarised ones, so I will fit the non polarised ones as well. But I doubt that is the problem

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Oh, and the electrolytics fitted are still the +/- polarised ones, so I will fit the non polarised ones as well. But I doubt that is the problem

 

I wouldn't be so sure Dez. Normally non-polarised capacitors are use due to swinging voltages (AC). If you have a look at the schematics, these caps could be affecting the deflection output.

 

Regards,

 

Johns-Arcade.

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I wouldn't be so sure Dez. Normally non-polarised capacitors are use due to swinging voltages (AC). If you have a look at the schematics, these caps could be affecting the deflection output.

 

Regards,

 

Johns-Arcade.

 

OK, will get the newies in :) Cheers

 

There is a polarised cap in the chassis you fixed for me, and it still works :) That's why I thought it would be OK :)

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It will be nice to see a complete replacement KZ chassis working.

 

This is for your Lunar Lander if I'm not mistaken?

 

Regards,

 

Johns-Arcade.

 

It will, but I tried it in the Asteroids first, as it was more accessible

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Don't forget the pictures :)

 

Regards,

 

Johns-Arcade.

 

Will do . .

 

If you ever make your one up mate, good luck. There are so many shortcomings. I will prob redo it, when I do the G05-801 defl soon - Same batch

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Will do . .

 

If you ever make your one up mate, good luck. There are so many shortcomings. I will prob redo it, when I do the G05-801 defl soon - Same batch

 

That's ok, I'll get to it one day. Did I read that right, you're doing the 801 deflection pcb?

 

Regards,

 

Johns-Arcade.

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Sweet! Any reason you're making the 801 over the 802, or is this planned too?

 

Regards,

 

Johns-Arcade.

 

I doubt I will do the 802, or V2000s

The main reason is I have plenty of 802s LOL. I only have only 1 x 801. I also have a few V2000s too. I located some of them Neons, so all parts are attainable

 

But I am sure I may sell maybe 10 801s or so to offset costs

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I doubt I will do the 802, or V2000s

The main reason is I have plenty of 802s LOL. I only have only 1 x 801. I also have a few V2000s too. I located some of them Neons, so all parts are attainable

 

But I am sure I may sell maybe 10 801s or so to offset costs

 

So you will be making all the PCB's?

 

Regards,

 

Johns-Arcade.

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So you will be making all the PCB's?

 

Regards,

 

Johns-Arcade.

 

For the 801? Maybe

 

I started the Reg board, but the heatsink is not available

 

The HV board . . . The LOPT is not available.

 

All I can say is never say never.

 

It took me 3 or 4 days to complete the 801 deflection. My first one took 4 weeks. So I may do them, maybe all of them?? Hmm we'll see

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For the 801? Maybe

 

I started the Reg board, but the heatsink is not available

 

The HV board . . . The LOPT is not available.

 

All I can say is never say never.

 

It took me 3 or 4 days to complete the 801 deflection. My first one took 4 weeks. So I may do them, maybe all of them?? Hmm we'll see

 

Well I'd take a couple of each (set) if you did.

 

I wonder how long before the LOPT are available.

 

Regards,

 

Johns-Arcade.

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Well I'd take a couple of each (set) if you did.

 

I wonder how long before the LOPT are available.

 

Regards,

 

Johns-Arcade.

 

I bought up a box of B&W LOPTs from a Wyse Monitor, as the schematics looked similar, when they arrived I tried to reverse engineer, using one of them as a Guinea pig. But there was a join between windings which didn't belong, and it was too hard to cut the join

They were cheap, but no good. Que Sera etc

 

Maybe you can make one ourselves

 

Look at this diagram, the number of turns is printed on the diagram's LOPT

 

http://www.amazingarcading.com.au/G05-801_Schematic_2015-sm.jpg

 

- - - Updated - - -

 

The doubler can be made, someone documented that a few years ago

 

See here

http://www.arcadesolution.com/blooming.html

 

- - - Updated - - -

 

The diagram above is from an 801 by the way

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I bought up a box of B&W LOPTs from a Wyse Monitor, as the schematics looked similar, when they arrived I tried to reverse engineer, using one of them as a Guinea pig. But there was a join between windings which didn't belong, and it was too hard to cut the join

They were cheap, but no good. Que Sera etc

 

Maybe you can make one ourselves

 

Look at this diagram, the number of turns is printed on the diagram's LOPT

 

http://www.amazingarcading.com.au/G05-801_Schematic_2015-sm.jpg

 

- - - Updated - - -

 

The doubler can be made, someone documented that a few years ago

 

See here

http://www.arcadesolution.com/blooming.html

 

- - - Updated - - -

 

The diagram above is from an 801 by the way

 

Hmm... would make an interesting project. At least you have the mystery can sorted.

 

Regards,

 

Johns-Arcade.

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