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  Murder of a CC10
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   Author  Topic: Murder of a CC10  (Read 780 times)
Bazza_Rook
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Re:Murder of a CC10
« on: February 13, 2006, 05:13PM »
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Hi. Mike.
Providing the Flat Strip / Ribbon Cables are not broken the most common fault will be the Reed Switches, (Magnetic Contacts within a miniature vacuumed or Gas Filled glass container) these contacts will oxidise through lack of current through them, or the vacuum is destroyed due to a poor or broken glass seal (thus letting in the air), Maplin Catalogue 0.99 should work buy one and try it, but get the right size though, the other faults could be more serious though, faulty components (some hard to obtain), broken tracks (easy to bodge), if you have say two or three of these to fix I would try and get one going to use as a test bed, then over the space of time you should be able to get all of them working. One word of warning some of the Components will be highly sensitive to Static Destruction or Damage please wear a wrist strap connected to earth, otherwise you could make them too far gone to be repaired.
Wishing you luck.
Salutations Barrie.
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Mike Watters
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Re:Murder of a CC10
« Reply #1 on: February 13, 2006, 04:13PM »
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Tom

Tomorrow I will be attempting to mend my faulty Conchess machines. I could do with some help.


   

                    'Your honor,does this look like the face of a killer?'

Mike
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"Life is too short for Chess" (Lord Byron)

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Re:Murder of a CC10
« Reply #2 on: February 13, 2006, 01:39PM »
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Quote from: Ismenio on February 13, 2006, 07:08AM   

Tom,
I'm in the same boat! Sometimes it is very hard for me not to open one of these, especially if they're not working properly.
Remember when you were a kid and you would want to open your toys to see what's inside and how they worked?


I know what you mean! In my case, it started with taking apart broken clocks, watches, ballpoints, fountain pens and an endless procession of other contraptions that my fellow citizens could dispense with (I was born during the war when not many children received toys).

I usually cherished the illusion I could repair them or at least make them into something useful, but this rarely worked out.

Chess computers are too costly to take apart, but I must admit I enjoyed dissecting the model 10 this afternoon albeit it with feelings bordering on contrition. But things are even worse: I also laid my hands on another computer, the Turbo Advanced Trainer. I had selected this one because it showed that the complete computer (processor, ROM and RAM) had been replaced by a single chip in modern machines. Besides, it was a machine that did not want to play chess either; otherwise I would never have dared to maltreat it the way I did.

For the moment, let me skip the gory details and just present you the single chip marked Sitek:



With repentent regards,

tom

P.S. Great picture, Ismenio! Mrs Overtom was delighted. She agrees her husband should be locked up (but she wants the key).
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Ismenio
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Re:Murder of a CC10
« Reply #3 on: February 13, 2006, 07:08AM »
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Tom,

I'm in the same boat! Sometimes it is very hard for me not to open one of these, especially if they're not working properly.
Remember when you were a kid and you would want to open your toys to see what's inside and how they worked?


Ismenio

« Last Edit: February 13, 2006, 07:11AM by Ismenio » Report to moderator Logged

Map of chess computer friends: http://www.frappr.com/chesscomputers
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Re:Murder of a CC10
« Reply #4 on: February 13, 2006, 05:15AM »
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Hi Tom 

Many thanks for this fascinating (but at the same time horrifying!) report! 


Quote:


And now for the good new: the computer did not function properly when I started the operation, as you can read at http://overtom.nl/weblog/31AUG04.html



.. but does it now work *after* the operation!  - that would be good news!



'watching through my fingers' regards


Chris
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Overtom
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Re:Murder of a CC10
« Reply #5 on: February 13, 2006, 04:12AM »
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Mike,

Quote from: Mike Watters on February 13, 2006, 02:55AM   



Tom
I usually send my condemned chess computers to Ismenio. He has industrial grade dynamite. But seeing as you are closer, there is a parcel in the post.
Mike

Do you really want to enrage mrs Overtom? Or do you intend to estrange her from me by adding to the abundance of hardware in the house?

Whatever you may have in your devious mind, you certainly kindled my extreme curiosity.

Curiouser and curiouser regards,

tom
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Mike Watters
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Re:Murder of a CC10
« Reply #6 on: February 13, 2006, 02:55AM »
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Tom
I usually send my condemned chess computers to Ismenio. He has industrial grade dynamite. But seeing as you are closer, there is a parcel in the post.
Mike
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Murder of a CC10
« Reply #7 on: February 13, 2006, 02:42AM »
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This is not going to be a text for the weak-of-heart. So if you have a delicate stomach, you'd better stop reading now.

Tomorrow, I'll receive visitors who seem to be eager to learn details from me concerning the development of chess computers.

Since - just like all the other regulars to this forum - I'm usually prepared to accommodate those interested in chess computers, one of the things I decided to show them was the inside of an older model. In this case the Chess Challenger 10. But how to open it?

I first tried to remove the felt disks that should prevent the bottom from scratching any furniture the computer may stand on, but they did not hide any screws. Sometimes the plaque with the manufacturer's name covers a screw. But prising open the plaque revealed no screw.

The hardboard back appeared to be stapled to the housing. so I could not remove that without damaging it. So after a while the back came off, but it was no pleasant sight:



The inside showed the main board, but unfortunately, all the electronic parts were at the other side of the board. The board was not screwed to the rest, but attached to it by means of the soldered wires of the connection with the LED display.



Since I wanted to show that older chess computers really possess RAM, ROM and a processor, I saw no other solution than to prise the LED display apart. So it would lose its grip on the main board. After some gruesome surgery, I could indeed see the Z80 processor and the memory. But as you may have suspected, the computer is a shambles.



Finally, for those who need to behold a daily dose of chips and other electronic, stuff, here are the actual innards:



And now for the good new: the computer did not function properly when I started the operation, as you can read at http://overtom.nl/weblog/31AUG04.html

Sincerely hoping this was not too much of a shock, with best regards,

tom
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