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  Fixing the Excalibur Mirage chess set
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   Author  Topic: Fixing the Excalibur Mirage chess set  (Read 1758 times)
mileskb
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Re:Fixing the Excalibur Mirage chess set
« on: October 19, 2008, 03:24PM »
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I too am interested in the outcome.

My Mirage just started acting up.  Easiest to repeat in auto-play...

It will play fine, until the 1st white pawn is has to be parked.

The pawn will go to just before it's out-of-play-parking-spot and stop, the screen will read STALL, and any useful play is overwith at that point.  The mechanism at that point heads to the opposite black pawn parking spot and while the computer keeps indicating the next moves, the magnet head just keeps bumping the left stop, like it got all out of sync with the computer.

I have opened her up.  Everything is aligned, well lubricated and I removed and replaced all connections and checked all surfaces for any damage.  I have owned this unit since it was new, however it spent a lot of time in storage, and really hasn't been used much.

More recently I have had it out, and it played fine for some time (couple of months).  Then one day I turned it on and set it into autoplay, and it stalled.

The only way to get it out of stall, is to open it up and by spinning the motor move the rods off the left stop.  Once it's even a little away from the stop, the SCL switch comes into play and works fine.....  until it stalls again of course, which is the next time the first white pawn is taken.

I have also cleaned and re-lubed the surface where the electro-magnet slides.  I really see no reason it works so well everywhere else on the board and stalls when heading to that back corner. 

Any thoughts??

Thanks in advance.
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Brian
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Re:Fixing the Excalibur Mirage chess set
« Reply #1 on: June 24, 2008, 07:49PM »
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Did you try any of the things suggested by Meca?

I have just received a unit and all I get is stall.

Anyone have a link for a manual for the Mirage?


Brian
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Meca
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Re:Fixing the Excalibur Mirage chess set
« Reply #2 on: September 5, 2007, 03:58PM »
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Quote from: bobosse on September  5, 2007, 02:52PM   

In my case, the display is partially working.

Do you think there is a way to fix it ?



Hard to fix it, I think it's not a mechanical question and it's not a standard display, it's a chess computer one, as Senator, Centurion ones, for example .... 
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bobosse
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Re:Fixing the Excalibur Mirage chess set
« Reply #3 on: September 5, 2007, 02:52PM »
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In my case, the display is partially working.

Do you think there is a way to fix it ?
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Meca
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Re:Fixing the Excalibur Mirage chess set
« Reply #4 on: September 5, 2007, 09:59AM »
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Quote from: banananose3 on September  5, 2007, 05:50AM   

Yeah This is the update to the never ending repair. LMAO. So I fix the 90 degree problem and got some electronic safe grease. And blam! It was working great. I play with it for hours. Then two or three day later I went to show it off to some friends and it wasn't moving the pieces. So I opened it up to find that the black (neg) wire was off the main man- gent housing. Now I have to take to some who knows how to fix that.   

thanks everyone for the help.


Just I sold one unit 2 days ago and the buyer and I, we are lucky because we both live in the same City. He has phoned today to me and he has described the same problem that you have written, and I'm going to meet with him in order to repair it due to I have tools to do it. I'll take photos in oder to offer here more information. I'll write a little article about the weak point of this machine
« Last Edit: September 5, 2007, 10:08AM by Meca » Report to moderator Logged
banananose3
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Re:Fixing the Excalibur Mirage chess set
« Reply #5 on: September 5, 2007, 05:50AM »
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Yeah This is the update to the never ending repair. LMAO. So I fix the 90 degree problem and got some electronic safe grease. And blam! It was working great. I play with it for hours. Then two or three day later I went to show it off to some friends and it wasn't moving the pieces. So I opened it up to find that the black (neg) wire was off the main man- gent housing. Now I have to take to some who knows how to fix that.   

thanks everyone for the help.
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Meca
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Re:Fixing the Excalibur Mirage chess set
« Reply #6 on: September 5, 2007, 04:45AM »
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Quote from: banananose3 on August 29, 2007, 07:47PM   

I got it to work some what. :-) It some time stalls after 20 mins of play or from resetting. I really think it needs to be oiled. About the angle...I really don't know.  I also see that from your pic that your pieces are different then my chess set. But it still works.

I'm going to try put some oil on and I will post what happens.

Thanks for the help.



Looking again inside my computer, I know why there is a strange angle in the magnet guide rail in your photo.
At top, both parallels rails have a pulley and they are united by a strap. The strap synchronizes the movement of both rails. If you take out the strap you could adjust every rail in single way in order to get the magnet rail would be in good position, 90ΒΊ orthogonal with the both syncronized rails.

« Last Edit: September 5, 2007, 04:49AM by Meca » Report to moderator Logged
banananose3
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Re:Fixing the Excalibur Mirage chess set
« Reply #7 on: August 29, 2007, 07:47PM »
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I got it to work some what. :-) It some time stalls after 20 mins of play or from resetting. I really think it needs to be oiled. About the angle...I really don't know.  I also see that from your pic that your pieces are different then my chess set. But it still works.

I'm going to try put some oil on and I will post what happens.

Thanks for the help.
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Meca
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Re:Fixing the Excalibur Mirage chess set
« Reply #8 on: August 29, 2007, 04:50PM »
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Quote from: banananose3 on August 29, 2007, 12:16PM   

I have a question on the  Excalibur Mirage chess set.Doesn't move.


Well. I have some experiencie about this question due to I have 3 units.

http://www.meca-web.es/museo/excalmirage/excalmirage.htm

The most problems are due to the movements during the trip:

1.- Look the cables in the electric motors, some times the cable is separated due a weak weald.

2.- Look the 2 iron rail guides (looks like a long screw)  for the movement are fixed in correct positions, into its plastic supports, some times, the guides are out of order. In your photo the supports looks like in order.

3.- Look the serial cable between the sensorial board and the main board, some times it's broken.

4.- I see in your photo an strange angle in the magnet guide rail, why? It must be at 90ΒΊ with the other 2 and at 180ΒΊ with the sides.


5.- The turn for the silly question: did you try de ACL key for a reset?. This computer remember the last position in its memory and perhaps it is trying to move pieces that they are not on the squares. 

6.- Of course, a little of motor oil for rails could be good too.

7.- The most silly question: have you removed the safe screw of the bottom? See the last photos into my link above this lines.

This is a classic chinese excalibur product ;-)

if you are not successful  contact with me again 
« Last Edit: August 29, 2007, 06:09PM by Meca » Report to moderator Logged
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Re:Fixing the Excalibur Mirage chess set
« Reply #9 on: August 29, 2007, 12:27PM »
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A friend of mine has a Milton and hadn't used it for a long time. He lubricated the moving parts. And now it runs like new.

I don't say it will work in your case, but I thought I might just mention it.

Best regards,

tom
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banananose3
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Fixing the Excalibur Mirage chess set
« Reply #10 on: August 29, 2007, 12:16PM »
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I have a question on the  Excalibur Mirage chess set. I have just got one from a friend and it just says stall, makes all kinds of noise. Doesn't move. I wanted to find out if there is a way to repair this and if you have any guides.

Here's some pics of the insides and the video from the main page. (links):

http://i41.photobucket.com/albums/e253/banananose3/0829071506a.jpg

http://i41.photobucket.com/albums/e253/banananose3/0829071506.jpg

http://www.metacafe.com/watch/746001/chess_mirage_against_human/
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