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HP Forum Archive 14

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"Transparent " display on my 32S
Message #1 Posted by Alexandre(Brazil) on 1 Mar 2005, 9:02 p.m.

Hi everybody, I have just bought an used HP32S (sn2943B19417) and I can see the LCD descriptions through its display.They are "EPSONLD-B8193A" , "JAPAN" ,"914F" and some spots and marks...besides the contrast of the digits is weak ... I would like to hear from those of you experts if I can fix it.

Thanks

Alexandre (Brazil)

      
Re: "Transparent " display on my 32S
Message #2 Posted by Raymond Del Tondo on 1 Mar 2005, 10:12 p.m.,
in response to message #1 by Alexandre(Brazil)

Sounds like the polarisation filter sheet is missing...
or maybe the LCD has bleeded out.
Besides that, I thought the part numbers were printed on the back.
Could you provide pictures?

Raymond

            
Re: "Transparent " display on my 32S
Message #3 Posted by Ed Look on 1 Mar 2005, 11:56 p.m.,
in response to message #2 by Raymond Del Tondo

What about trying to control the contrast with ON + or ON - or some such key combination? Perhaps the contrast is just a little too high?

                  
Re: "Transparent " display on my 32S
Message #4 Posted by Alexandre on 2 Mar 2005, 5:13 p.m.,
in response to message #3 by Ed Look

Hi,I will try to give a better explanation...the descriptions (part number , origin etc) are on the back of the LCD and are mirrored when we look at it and pressing ON + or ON - donīt change the contrast of these descriptions , it works only on the digits.It is like when you pour oil on a written paper...it became transparent... Another point that I would like to clarify is that this 32S shows a "flat" display and I donīt know if there is a protection between the LCD and the bezel the fact is that there is dust in this area and I would like to know if I can open it and remove this dust. A lot of questions I have ... sorry ... I will try to take a picture. Thanks a lot!!

Alexandre

                        
Re: "Transparent " display on my 32S
Message #5 Posted by Ed Look on 2 Mar 2005, 8:46 p.m.,
in response to message #4 by Alexandre

I see. You are clear. Unfortunately, so is the back of your LCD screen. Your oil and paper analogy made me think- I hope nothing leaked out or got into your calculator and "wet" the back of the LCD module. But, I am glad it does not affect performance!

      
Re: "Transparent " display on my 32S
Message #6 Posted by Ron on 7 Mar 2005, 1:58 p.m.,
in response to message #1 by Alexandre(Brazil)

I came across a 14B like this once. You can see through the display, and through the board, to the printing on the back side of the board. Very uncommon production problem, I think.

            
Re: "Transparent " display on my 32S
Message #7 Posted by VPN on 9 Mar 2005, 9:34 p.m.,
in response to message #6 by Ron

It might be a collectable to someone!

                  
Re: "Transparent " display on my 32S
Message #8 Posted by bill platt on 10 Mar 2005, 10:12 a.m.,
in response to message #7 by VPN

Hi VPN

Yes, like a grilled cheese virgin mary....

                        
Re: "Transparent " display on my 32S
Message #9 Posted by Ron on 21 Mar 2005, 4:27 p.m.,
in response to message #8 by bill platt

I'd take $38,000 for it! Free overnight shipping!!

Actually, I think I can see her in the background. The price just jumped to $78,000 (shipping is still free). Still a bargain - You can't take your money with you, and who knows how much good a "Mary-in-the-background" calculator might do you in the eternal?!

      
Re: "Transparent " display on my 32S
Message #10 Posted by ned on 8 Mar 2005, 10:17 a.m.,
in response to message #1 by Alexandre(Brazil)

I hope the seller made it clear that this problem existed. Unfortunately it seems as though you cannot fix this lcd, and will have to replace it. Probably the marking by Epson was printed or lasered too much into the back. I'm not sure if a 32sii lcd would work, maybe you could find a dead 14b with a good screen. My 32s is s/n 2843A10397, USA made, and has no problem. There is an article on opening pioneers on this website.

ned


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