Tosh A68KJU96X Nanao MS8 not working - technical help needed

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Benimaru
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Tosh A68KJU96X Nanao MS8 not working - technical help needed

Post by Benimaru » June 5th, 2019, 8:02 pm

Well, simple question, because I'm a bloody noob with chassis swaps:
I received a Toshiba A68KJU96X tube with a Nanao MS8 chassis and would like to swap it with a already deep cleaned MS9, which I have in another cab.
Would this combo be a plug and play setup? Or is there a deeper knowlege needed?
Last edited by Benimaru on October 8th, 2019, 4:34 pm, edited 2 times in total.

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grantspain
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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by grantspain » June 5th, 2019, 8:34 pm

it will work but yoke connectors are different, ms9 uses 2 x 2 pin connectors and one of those has a narrower gauge for the vertical header

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by yosai » June 5th, 2019, 8:42 pm

I've got an ms9 chassis on an ms8 tube and it works fine (as above) but the image is quite narrow. CPS3 for example will not fit the screen. Wider games like CPS2 are fine.

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » June 5th, 2019, 9:09 pm

So it works, but I have to live with a not 100% accurate picture? :/
Guess I will stick with the MS8 then, thanks guys!

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by copados33 » June 12th, 2019, 7:29 am

yosai wrote:
June 5th, 2019, 8:42 MP
I've got an ms9 chassis on an ms8 tube and it works fine (as above) but the image is quite narrow. CPS3 for example will not fit the screen. Wider games like CPS2 are fine.

I'm not sure about this, I swapped the the h.s pin to the wide position then adjusted the "h.size limit" pot a bit and all of the games I have tried so far fill the screen no problem, cps3 included.

p.s: when you touch h.size limit its most likely that you will also need to adjust pin cushion.

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 3rd, 2019, 6:44 pm

Soooo:
Received a MS9 chassis now, where could I get such a 4-pin plug as seen here:

https://www.ebay.de/itm/Adapter-Yoke-Ch ... %7Ciid%3A1
(35€ for the cable seem like a complete ripoff to me btw.)

Is there anything else necessary to fit a MS9 chassis on my tube?

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by PrincessPrinPrin » August 4th, 2019, 10:52 am

You can have this one for free.
adapt.jpg
Im running games with a vga to tv converter on my Shangai Novel, with composite and it looks amazing, Im not interested in RGB or Scart.

- anonymous

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 4th, 2019, 2:41 pm

Again, thanks a lot PrincessPrinPrin :)

The last thing that troubles me, is the 6-pin plug coming from the PSU:

The plug doesn't match unfortunately, could I just cut it away and solder the cable to the pins? Or does anyone know which female plug I need for the MS9 PCB?

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by grantspain » August 4th, 2019, 2:57 pm

thats the rgb wiring from a sanwa pm1745

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by PrincessPrinPrin » August 4th, 2019, 3:30 pm

looks like I'll have to make you another adapter. ;)
Im running games with a vga to tv converter on my Shangai Novel, with composite and it looks amazing, Im not interested in RGB or Scart.

- anonymous

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 4th, 2019, 3:33 pm

Thank you so much!! 😁

@grantspain
Thanks for the hint, so I finally get a name for this piece of crap

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by PrincessPrinPrin » August 4th, 2019, 4:17 pm

I take it the pinout is the same as the MS9 but reversed, right?
Im running games with a vga to tv converter on my Shangai Novel, with composite and it looks amazing, Im not interested in RGB or Scart.

- anonymous

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 4th, 2019, 4:50 pm

Yes, it is the same, 5 pins are used:
R, G, B, Ground, V

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by PrincessPrinPrin » August 4th, 2019, 5:38 pm

Yes, but the pinout is reversed as far as I see:
adapt2.jpg
adapt3.jpg
Im running games with a vga to tv converter on my Shangai Novel, with composite and it looks amazing, Im not interested in RGB or Scart.

- anonymous

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 4th, 2019, 6:15 pm

Yes, I think it's reversed most likely

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 24th, 2019, 1:47 pm

Oh boy, I need some further advice unfortunately...
I've attached the MS9 chassis with the adapter cable from PrincessPrinPrin to my tube and: nothing.
No neck glow, no static, absolutely dead.
Everything is plugged in, so where should I start? What could be the reason? Chassis dead?

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by nem » August 24th, 2019, 4:30 pm

Have you plugged in the AC wires from the 15-pin AMP UP connector to the chassis? Take a pic of the chassis as it is wired now.

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 27th, 2019, 6:52 pm

nem wrote:
August 24th, 2019, 4:30 MP
Have you plugged in the AC wires from the 15-pin AMP UP connector to the chassis? Take a pic of the chassis as it is wired now.
Here we go, is everything plugged in correctly nem?
Tried it again with the monitor out and theres really nö sign of voltage.
I've tested the cab with another (faulty) chassis before and theres definately power on the cable coming from the PSU.



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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by grantspain » August 27th, 2019, 9:12 pm

try plugging in the remote board

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Re: Tosh A68KJU96X Nanao MS8 -> MS9 swap

Post by Benimaru » August 28th, 2019, 4:35 am

It was plugged in of course, just removed it to get the monitor out. It doesn't make any difference unfortunately.

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