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Author Topic: WG 6100 repair logs  (Read 44890 times)

speleo_de

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Re: WG 6100 repair logs
« Reply #60 on: April 09, 2014, 08:07:22 PM »
Re-Solder it.
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level42

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Re: WG 6100 repair logs
« Reply #61 on: April 09, 2014, 08:17:22 PM »
OK !  ;D
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Belike

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Re: WG 6100 repair logs
« Reply #62 on: April 09, 2014, 10:44:17 PM »
Most of the people would throw this out and replace it, nice to see what is inside and it is repairable. :spaceace:
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level42

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Re: WG 6100 repair logs
« Reply #63 on: April 09, 2014, 10:54:30 PM »
Yup !

Except you can't replace it because they are not available. At least not for a normal price...and even so....probably not new.


Pin soldered, problem solved ! Woohoo !  ;D ;D

Saves Franck ordering a fly-back from the US :)
« Last Edit: April 09, 2014, 10:56:32 PM by Level42 »
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Laszo

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Re: WG 6100 repair logs
« Reply #64 on: April 10, 2014, 09:30:41 AM »
Quote from: Level42 on April 09, 2014, 10:54:30 PM
Yup !

Except you can't replace it because they are not available. At least not for a normal price...and even so....probably not new.


Pin soldered, problem solved ! Woohoo !  ;D ;D

Saves Franck ordering a fly-back from the US :)

You sure it should be soldered? My check an other connector or a schematic to be sure....
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level42

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Re: WG 6100 repair logs
« Reply #65 on: April 10, 2014, 09:39:14 AM »
Well.......I dont really feel like desoldering and prying open Marco's connector.......although on the other hand it might be good to have a preventive look at the situation.....

However, I never doubt Speleo's words. I am small beer compared to him in terms of electronics repair skills.
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Laszo

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Re: WG 6100 repair logs
« Reply #66 on: April 11, 2014, 04:29:45 PM »
Quote from: Level42 on April 10, 2014, 09:39:14 AM
Well.......I dont really feel like desoldering and prying open Marco's connector.......although on the other hand it might be good to have a preventive look at the situation.....

However, I never doubt Speleo's words. I am small beer compared to him in terms of electronics repair skills.

Every classic gameroom needs are fire extinguisher anyway  ;D
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level42

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Re: WG 6100 repair logs
« Reply #67 on: April 11, 2014, 07:27:40 PM »
Definitely, get a CO2 one. :)

But there are no worries about that for sure...Andreas was completely right:

Michelle from Italy (M K L on KLOV) posted this picture:



So, it's clear the pins should be fixed together although it does look like they are constructed of two parts.

Even better, Michelle explained that the socket number is not actually CR-24 but EIA/JEDEC designation B8-274.
CR-24 is just the number used for the B&K rejuvenator adapter for this socket so we should forget about that number.

Also, he posted this picture to show his current inventory of those brand new CRT sockets which is AWESOME as they arent available anywhere else AFAIK.


Naturally I ordered a couple, won't hurt to have these on stock :)
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atarimania

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Re: WG 6100 repair logs
« Reply #68 on: April 11, 2014, 09:49:20 PM »
Quote from: Level42 on April 09, 2014, 10:54:30 PM
Saves Franck ordering a fly-back from the US :)

Thanks!  8)
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level42

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Re: WG 6100 repair logs
« Reply #69 on: April 13, 2014, 10:50:32 PM »
Well...Atarimania's WG6100 is finally on it's way south :)

Last saturday I still did a last minute fix on it. I had noticed that the screen was sometimes "jumping" a bit in size, both vertically and horizontally.

I suspected the pot in the HV cage that adjusts B+. I measured it and could see that the voltage was jumping a bit when the screen jumped too (it hast to be 180V). So the pot was bad. Not a big surprise after 30 years.

Didn't have a proper one so I went to my local parts supplier and bought 2 and quickly soldered it in. Adjusted it and had a nice fixed size picture, problem solved.

Then it was off to the first Eurocade/RGE 2014 meeting in Hilversum. Chris was coming over and he kindly agreed to take back the 6100 to the Brussels area, which is a lot closer to Paris then Ridderkerk :D

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atarimania

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Re: WG 6100 repair logs
« Reply #70 on: April 13, 2014, 11:21:38 PM »
Great news!  8)

I'll post pictures of the monitor in the cab soon  :)
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level42

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Re: WG 6100 repair logs
« Reply #71 on: May 15, 2014, 11:59:53 PM »
How soon ? French soon or Dutch soon ?  ;D ;D ;D ;D ;D ;D ;D


(Says the guy who took over 2 years to fix a damn monitor  ;D ;D ;D ;D ;D)
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atarimania

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Re: WG 6100 repair logs
« Reply #72 on: May 18, 2014, 07:15:23 PM »
You're right, I'm late... I put the monitor on the cab when I came back home and the game works fine :)

I have to make a video  :oops: For the moment I use all my free-time (and I don't have a lot of free-time) for the building of the new gaming room...   
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level42

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Re: WG 6100 repair logs
« Reply #73 on: May 19, 2014, 12:15:52 AM »
Waha, totally understand Franck, as I said, I was the one who took so long to fix it :) :) :)

But I _am_ happy to hear it's working fine  ;D ;D

In the mean time, Béla's second 6100 deflection board is ready to return home.

Put in one new MPSU56 transistor. Checked all other components. Apart from one resistor that was not a 0,5W but a 0,25W (replaced now by correct one) I couldn't really find any bad parts. I did replace one fuse holder set though, again for corrosion reasons, just to rule out any troubles.

So I threw it in Thwocker's WG6100 and it worked just fine. Béla reported strange problems though (spot killer kicking in and blowing up bottle-cap transistors) so I decided to give it a good duration run.

Since I didn't want to leave the monitor unattended I was forced to play Berzerk while I was seeing the monitor in the corner of my eye....
After about 3 10000+ games of Berzerk (I'm out of shape) I saw the 6100 go blank.....I was quick to throw the SW power switch.....
time for more investigation.

I took some macro pictures from the header connectors and found what I already should have known:







Naturally I renewed them all.

Also, by gut-feeling, I also replaced all 4 caps in the spot-killer circuit, a good decision as I discovered later, more about that soon....

Put everything back again, more Berzerk, Joust and Robotron playing done and after 2,5 hours of trouble free running I was sure enough it is time for the board to travel back to Budapest :)

First however, I have to get out my Atari 8 bit stuff to copy some floppies  ;D
« Last Edit: May 19, 2014, 12:19:05 AM by Level42 »
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Belike

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Re: WG 6100 repair logs
« Reply #74 on: May 20, 2014, 10:04:54 AM »
Seems like those small caps make a lot of trouble in these bad quality WG boards.
Thanks for the repair my Friend, cant wait for the 8 bit stuff. :D
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