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Author Topic: This should be interesting  (Read 3270 times)

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Mike A

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This should be interesting
« on: August 08, 2022, 09:56:59 pm »
I just bought 16 CRTs from a guy for 200 bucks total.

I had to drive 4 hours each way, but it will be worth it in the end.

I will post the status of the haul here.

Mike A

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Re: This should be interesting
« Reply #1 on: August 08, 2022, 09:58:35 pm »
This is going to be fun.

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Mike A

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Re: This should be interesting
« Reply #2 on: August 08, 2022, 09:59:48 pm »
I need to add a shelving unit in my basement to store these.

I will get to that later.

Mike A

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Re: This should be interesting
« Reply #3 on: August 08, 2022, 10:01:04 pm »
First monitor plugged in...

Works just fine. I haven't made any adjustments yet.

19k7901

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bobbyb13

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Re: This should be interesting
« Reply #4 on: August 09, 2022, 12:44:49 am »
Sweet score.
I can't even get one decent one here for twice that $$.
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

Zebidee

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Re: This should be interesting
« Reply #5 on: August 09, 2022, 03:49:28 am »
Nice one  :cheers:
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buttersoft

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Re: This should be interesting
« Reply #6 on: August 09, 2022, 07:44:00 pm »
Man, i'd love some 19" spares :)

Mike A

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Re: This should be interesting
« Reply #7 on: August 09, 2022, 10:48:17 pm »
Monitor 2 looks good.

Kortek something or other.

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Mike A

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Re: This should be interesting
« Reply #8 on: August 09, 2022, 10:51:13 pm »
Monitor number 3 is good.

D7700

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bobbyb13

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Re: This should be interesting
« Reply #9 on: August 10, 2022, 04:33:19 am »
Ok, so just keep teasing.

$200/16= $12.50
Plus fuel

Want to triple your investment + and send me one for $50.00 plus shipping?
 >:D

Now I am starting to wonder what year my TPG shows actually-
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

Malenko

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Re: This should be interesting
« Reply #10 on: August 10, 2022, 07:07:01 am »
did you get any extras like, spare adjustment boards?
If you're replying to a troll you are part of the problem.
I also need to follow this advice. Ignore or report, don't reply.

Mike A

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Re: This should be interesting
« Reply #11 on: August 10, 2022, 07:55:24 am »
Sorry. No accessories.

Are you looking for something in particular?

I might have it lying around my shop.

lilshawn

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Re: This should be interesting
« Reply #12 on: August 10, 2022, 12:58:40 pm »
posting just to see the updates  :cheers:

good haul. i'll bet 99% of them work fine

Mike A

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Re: This should be interesting
« Reply #13 on: August 10, 2022, 01:12:54 pm »
Hehe.

I think so too.




Mike A

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Re: This should be interesting
« Reply #14 on: August 12, 2022, 11:51:09 pm »
I tested 3 more. All Good.

2 x 19k7901
1 x 19k7203

I will get a bunch more tested this weekend.

It has been slow going because I have to make room for all of these in my shop.

Just some shelf space juggling.

Only 10 more to test.

bobbyb13

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Re: This should be interesting
« Reply #15 on: August 13, 2022, 02:08:46 am »
Pictures or it didn't happen.
 ;D

I really look forward to an Alpha Centauri visit at some point.
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

Mike A

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Re: This should be interesting
« Reply #16 on: August 13, 2022, 07:59:32 am »
Here you go Bobby.

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Mike A

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Re: This should be interesting
« Reply #17 on: August 13, 2022, 08:01:17 am »
Pictures or it didn't happen.
 ;D

I really look forward to an Alpha Centauri visit at some point.

It is funny. People will fly halfway across the planet to visit here, but an hour drive is too much for a lot of people.

Mike A

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Re: This should be interesting
« Reply #18 on: August 13, 2022, 11:47:36 am »
Heh. Finally a broken monitor. I was adjusting the vertical hold and it went into vertical collapse. I will fix that up after I test all of the other monitors. Figures the warranty is expired. What a ripoff.

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bobbyb13

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Re: This should be interesting
« Reply #19 on: August 13, 2022, 01:22:50 pm »
What a score those are proving to be- except for the wareanty bit of course.
Those ---daisies---!

I have one of those chassis with vertical collapse too.
Let me know what you do to fix it and maybe I can learn something useful this month!
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

lilshawn

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Re: This should be interesting
« Reply #20 on: August 13, 2022, 06:30:30 pm »
vertical collapse...either the TDA chip or the resistor feeding power into it has gone open or out of spec... or both. (usually the vert chip fails, goes shorted output and overloads the resistor, blowing it open.

Mike A

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Re: This should be interesting
« Reply #21 on: August 13, 2022, 06:45:57 pm »
Vertical collapse is one of those failures you are kind of glad to see.

Straight forward problem.

Now I have a D7700 with a bad flyback.

Is there a source for those?

Mike A

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Re: This should be interesting
« Reply #22 on: August 13, 2022, 08:05:32 pm »
I tested all of the monitors.

out of 16...

1 has vertical collapse

1 has a bad flyback

1 works fine, but has a chewed up anode wire. It needs to be replaced.

3 of them have tube burn that I consider bad. They will need tube swaps.

Not bad for 200 bucks.

bobbyb13

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Re: This should be interesting
« Reply #23 on: August 13, 2022, 08:41:59 pm »
With all those good spares it sounds like you should be building something!

I really wish I knew where to begin with fixing chassis.

I know what lilshawn said was english and useful but it may as well have been written in cantonese.
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

Mike A

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Re: This should be interesting
« Reply #24 on: August 13, 2022, 09:30:36 pm »
Hehe.

We all start somewhere.

lilshawn knows a lot more than I do.

I am just removed the anode cup and I am going to pull the chassis and throw it on my bench.

pbj

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Re: This should be interesting
« Reply #25 on: August 13, 2022, 09:33:58 pm »
Bad ass.  Hook up your Saturn - it has native RGB.

Mike A

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Re: This should be interesting
« Reply #26 on: August 13, 2022, 09:39:08 pm »
I already do that.

I have it hooked up to an arcade monitor.

I also have it hooked up to a JAMMA adapter I built so I can play it in my JAMMA cab.

Mike A

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Re: This should be interesting
« Reply #27 on: August 13, 2022, 09:43:04 pm »
Pic from 2020

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Mike A

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Re: This should be interesting
« Reply #28 on: August 13, 2022, 09:46:00 pm »
Saturn on my candy cab

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Zebidee

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Re: This should be interesting
« Reply #29 on: August 13, 2022, 09:49:01 pm »
Hehe.

We all start somewhere.

lilshawn knows a lot more than I do.

I am just removed the anode cup and I am going to pull the chassis and throw it on my bench.

How do you remove/replace the anode cup?

This is something I've wondered about as I have at least one flyback (for a TV) that seem OK but needs a new anode cup.
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Mike A

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Re: This should be interesting
« Reply #30 on: August 13, 2022, 09:56:30 pm »
Misunderstanding.

I removed the anode from the tube so I can work on the chassis.

But, I do have one monitor that has a chewed up anode cup.

Arroyo said he has replaced the anode wire and cup on a flyback with a donor from a television.

He is going to show me how to do that when he comes out here in October.

Zebidee

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Re: This should be interesting
« Reply #31 on: August 13, 2022, 10:33:39 pm »
Ah ok, sorry and thanks :D

Maybe, if you remember at the time, taking some pics and posting would be appreciated   :notworthy:
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buttersoft

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Re: This should be interesting
« Reply #32 on: August 14, 2022, 01:07:20 am »
Ah ok, sorry and thanks :D

Maybe, if you remember at the time, taking some pics and posting would be appreciated   :notworthy:

It can be done with an HV splice kit and a donor anode cup :)

bobbyb13

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Re: This should be interesting
« Reply #33 on: August 14, 2022, 01:28:36 am »
I would figure maybe that would be possible with some good soldering and adequate heat shrink/rubber electrical tape/silicone treatment?
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools! I can fix it.

Zebidee

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Re: This should be interesting
« Reply #34 on: August 14, 2022, 01:47:43 am »
It can be done with an HV splice kit and a donor anode cup :)

Thanks butters. Have you got any links to a "HV splice kit", or can you explain how that works a bit more?
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buttersoft

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Re: This should be interesting
« Reply #35 on: August 14, 2022, 02:16:40 am »
This kind of thing...
https://www.ebay.com/itm/254887941195

I imagine a general-purpose HV splice kit would also be fine, so long as it was compact enough overall.

Zebidee

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Re: This should be interesting
« Reply #36 on: August 14, 2022, 02:43:35 am »
Thanks. Looks like it'd do the job  :cheers:
Check out my completed projects!