Need a WEI-YA part number.

AtHomeTech

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I am trying to order a WEI-YA chassis but I cannot figure out their part numbering system. What I have is..

8 pin connector
14 ohms
19"

Not sure I need an isolation transformer but I would assume I dont since it will be powered internally and the machine has an isolation transformer.

Tube is: A48AFN22X

Thanks
-Ken

EDIT: Changed 10 pin to 8 pin
 
Last edited:
Tube A48AFN22x is an 8 pin tube with a 22.5mm diameter neck.

Your vertical yoke resistance would be considered a "low impedance" type.

These Wei-ya chassis will work:

1220-S (requires use of isolation transformer)

2420-S (does not need an isolation transformer, has a contrast control)

2620-S (does not need an isolation transformer)
 
Thank you. I knew it was 8 pin and had 10 pin in my head after counting the ones on the original but got the numbers transposed.

One more thing... How do you know if you need one with an isolation transformer or not? I assume some newer machines dont have them so they need to be built into the chassis but the games that feed the power from the built in isolation transformer dont need it. Is that correct?

-Ken
 
If the cabinet the monitor chassis is going into has an isolation transformer them you need to get a chassis that requires an isolation transformer.

If the cabinet does NOT have an isolation transformer then you order the chassis that doesn't need one.

And of course you can use a chassis that doesn't need an isolation transformer in a cabinet that does HAVE an isolation transformer. It just provides an extra level of safety.
 
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