Sega Astro City Cabinet - I Screwed up can’t find anyone to fix it

[GarboXD]

Hey Guys I screwed up .

My brother has a Sega Astro City Cabinet. I’ve got it working fast forward to last year, I moved it downstairs stepped on the power cable and pulled the wire out.

I ended up fixing it and I went to play it.

My brother and I both thought the other one unplugged it what ended up happening is it sparked, blew the breaker and turned off.

What’s happening how,
Sound and everything works, there is no display though. Can anyone point me in the right direction?

Best regards

 

[JohnRambo'sKnife]

Maybe start with the chassis fuse. Check and replace if blown.

 

[GarboXD]

Maybe start with the chassis fuse. Check and replace if blown.

any chance you can point me in the direction of a location?

 

[JohnRambo'sKnife]

It is on a fuse holder. Top left corner. You can't miss it.

 

[GarboXD]

I have an ms9 board, ChatGPT says fuse may be hidden hahah..

 

[GarboXD]

See photo

 

[JohnRambo'sKnife]

Bottom left in this photo.

 

[GarboXD]

Bottom left in this photo.

Thank you so much, the metal housing was in the way.

The fuse has continuity. What would be my next steps?

I really appreciate you

 

[thegreathopper]

Next step is see if you have power at the fuse.

 

[GhaleonUnlimited]

Recapping the monitor chassis is always worth a go right ? Then you'll have it on the bench and can futz with it more

 

[ImportantBet]

https://gamerepair.info/hardware/35_nanao_ms9_29

This is a good guide

 

[1credit]

check you have your power coming up to your chasiss ..

This will confirm your iso transformer is ok

 

[sven666]

Recapping your chassi will 100% not solve your issue, dont even bother at this point.

Measure the power coming into the chassis first, if its at 0 check the filter board by where the wire comes into the cabinet, should have stable 110v coming out of it.

If you have 110v going into the chassis at the plug and the fuse is good you most likely have a blown resistor on the board (google how to measure them) or worst case your high voltage transformer is blown in which case youll need a new chassi.