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Hello dear friends,
This is a little game for the Christmas's week, if you aren't still gone to holyday.
To document my job regard the complete restoring of the HP calculators, in this case an HP-97, I have took a picture of all the calculator's component. This picture will be inserted in my future auctions on the AS.
But I have forgot something.
Can you find the lacking parts?
For Katie: detail of the first image.
Have you an happy Christmas and all you need for the new year.
Take care...
Ignazio
Edited: 20 Dec 2010, 2:23 p.m. after one or more responses were posted
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The glue you are going to use to put the HP-97 together!!!
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Hi Namir,
only elbow oil ;)
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Hi Bruce,
no, The lacking part is an inner component.
Sorry.
Ignazio
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Where are the sheets that are used to insulate the gold-plated key contacts from the buttons and the circuit board?
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What about the slide out metal tab (the manual calls it a 'hasp') that is the attachment point for the optional security cable?
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Katie, I concur - I don't see this part on Ignazio's pictures either.
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Hi Katie, hello Walter,
perhaps it's not visible but I guarantee that it's present.
I will insert an image ASAP.
Ignazio
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The 4 spacers are beneath the key contact sheet...
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Hi Ignazio e Buon Natale!!
two springs n.21 of the printer, the pusher ones, maybe
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Ciao Aurelio e Buon Natale anche a te!
Look carefully at the fourth image, at the right of the paper tear bar.
Take care.
Ignazio
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Hi Ignazio, the springs in that picture are only two and , as from the exploded wiev of the manual (I've not a 97 in my collection so that I can't check it personally) there are two kind of spring (n.20 and n.21) 2+2 = 4 ; if I'm not wrong the spring , as I can see, are only 2 on your desktop, let me know, thanks.
PS: Ignazio, where are you from?
Edited: 20 Dec 2010, 11:09 a.m.
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Hi Aurelio,
I have understood now, but I haven't take apart the holder so you can't see the pusher springs. Try again.
Regards
Ignazio
P.S. I'm an HP collector and live in Iglesias (CI)... and I have a lot of HP-97.
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Hello everybody
I would say the paper for testing the printerhead ehehehehe
Merry christmas everybody !!!!
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Hello Alberto, ciao.
Sorry, you have to try again...
I'm a lucky man, the printer head is good...
Merry Christmas to everybody.
Ignazio
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How about the 3 copper leaf springs that sit under the 3 slide switches to contact the PCB?
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Hi Katie,
they are above the keyboard PCA, holded in position by the silicon grease. Look at the second image.
I have inserted a detail of the backbone at the bottom of my first post.
Try again, please.
Ignazio
Edited: 20 Dec 2010, 12:02 p.m.
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Ok, here's my last guess...
The copper sheet that forms the contacts for the switches inside the card reader. The nylon balls are in the picture but not the copper.
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Excuse me Ignazio if I answer for you:
Katie, if you see carefully in the fourth picture, copper switches are shown..... now much better...Ignazio has cleared it, increasing the brightness and now the picture shows more detailes.........
Cheers
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Shouldn't there be a little canister of magic smoke in there somewhere?
;-)
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The magic smoke is freed when I remounted and turned on the computer!
Ignazio
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One of the paper-detect contacts seems to be missing...
Joel
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Hi Joel,
no, sorry, they are both present.
Ignazio
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Printer bushing 5040-9227 is missing from the left (driven) side of the lead screw.
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Hi Randy,
it's very difficult to see in the third image but it's again inserted in the body of the printer (Housing, 5040-9201).
Try again, you will be more lucky ;)
Thanks for your welcome participation.
Ciao,
Ignazio
Edited: 21 Dec 2010, 9:43 a.m.
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Remove one bushing but not the other? That's not consistent.
So where are you hiding the two 22uf capacitors on the card reader pcb? C1 and C2 - the caps in series with the head windings. Are they under the Christmas Tree?
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Hi Randy,
Game over!
You are right, the three caps (2*22uF + 1*6,8uF) are missing from the card reader PCB!
You are the winner... but you have won... only a Bravo!
Merry Christmas to everybody and many thanks for your participation and sympathy.
Ignazio
Edited: 23 Dec 2010, 4:41 a.m.
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Hi Randy,
Quote:
Remove one bushing but not the other? That's not consistent.
Why you think no consistent leave the bushing in place?
Allow me to learn more...thanks.
Ignazio
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Just my observation of the "game". Both bushings are removable but only one was removed and displayed. The second one was, IMO, not visible in the printer carriage.
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Hi Randy,
I think you are right, I agree with you.
I overlooked that small detail. I apologize to everyone for their inaccuracy.
Sorry.
Take care.
Ignazio Cara
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Hello Ignazio,
The only missing piece is a bottle of mirto on the table.
Merry xmas to you (all).
Giancarlo from Milan
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Hello Giancarlo,
of course, you are right.
When you came in Sardegna with your mtb we can taste our nectar.
Ciao e augurissimi per un felicissimo Natale.
Merry xstmas to all our friends too.
Ignazio
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