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Author Topic: CRT help - what to do with a 33" Hitachi CRT  (Read 2977 times)

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tucker670

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CRT help - what to do with a 33" Hitachi CRT
« on: June 11, 2008, 01:07:21 pm »
I have a 33" Hitachi CRT that was once part of a WGM3332-U0TS65G U3000 from a Star Wars racer game. There was no chassis or neck board when I got it, just the CRT. Wells-Gardner tech support told me to junk it because there is nothing available to make it work. I find that hard to believe but I do not have any experience with arcade monitors except looking at them. Is there any hope to get this thing working so I can use it in a cab? Thanks.

grantspain

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #1 on: June 11, 2008, 05:39:50 pm »
thats a medium res monitor,you would need access to a lcr/inductance meter and a standard multimeter
you need the resistance and inductance readings of both the horizontal and vertical yoke to see if you can find a match of chassis

tucker670

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #2 on: June 12, 2008, 04:27:42 pm »
Thanks grantspain. I have a friend that works on TVs so maybe he has an inductance meter. Do you know where to find the chassis matching info?

grantspain

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #3 on: June 12, 2008, 04:34:20 pm »
i know how to match chassis,just post here the readings and i will see if i can help
the readings you will get are like this

Lh(horizontal inductance)-0.330mh
Lv(vertical inductance)-27mh
Rh(horizontal resistance)-1.8ohm
Rl(vertical resistance)-11 ohm

normally the red and blue yoke wires are the horizontal winding,the green and yellow are the vertical yoke winding

you friend who is a tv tech will know what i am talking about

Ummon

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #4 on: June 12, 2008, 06:34:38 pm »
Since the majority of games were 15khz, and many of them now are 31khz, what are you going to use this for? Perhaps you might get ahead by trying to sell it?
Yo. Chocolate.


"Theoretical physics has been the most successful and cost-effective in all of science."

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People often confuse expressed observations with complaint, ridicule, or - even worse - self-pity.

grantspain

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #5 on: June 12, 2008, 06:46:09 pm »
you can trisync and quad sync certain yokes/tube combinations,i have been testing on nanao ms8,ms9,ms2932/34,sanwa pm1745,29es31s
the tube size is large which may cause a problem but i have sneeky feeling that this tube will run a dual sync or cga chassis just fine

tucker670

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #6 on: June 12, 2008, 11:41:09 pm »
Since the majority of games were 15khz, and many of them now are 31khz, what are you going to use this for? Perhaps you might get ahead by trying to sell it?

The tube was in a Star War Racer cab, so I now have this big cab that is in rough shape but could be made into a mame cab. I figured that the tube already fits so maybe there is the possibility of getting it to work with a pc. From what I have been reading on this site it may be easier for me just to find a TV to use in the cab.

tucker670

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #7 on: June 13, 2008, 05:04:16 pm »
Well my tv tech "friend" did not even want to look at it and told me to find someone that works on arcade systems. Any suggestions about what I should do with this thing?

grantspain

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #8 on: June 14, 2008, 04:56:30 am »
not much of a tv tech,if you can't get hold of a inductance meter then you cannot match a chassis
if you are gonna mame the cab then get a t.v for it

tucker670

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Re: CRT help - what to do with a 33" Hitachi CRT
« Reply #9 on: June 14, 2008, 11:17:56 pm »
Well I decided to go with the TV and I found a Sharp that is going to fit very nicely in the cab, so if anyone wants the Hitachi please let me know.