<MASONS1@vm.utcs.utoronto.ca> (06/12/91)
Hi,
My HP 48sx was bought in october of last year, recently I noticed that an
entire line of pixels -- horizontally across the center of display does not
appear to be *working* . Any characters that occupy this section of the screen
appear to have a streak through it. I have not tried changing the batteries as
yet as I am curious to know if others have experienced a similar problem.
Thanks for any info as to the cause/cure.
Roger Smithperaino@gmuvax.gmu.edu (06/13/91)
>Hi, > My HP 48sx was bought in october of last year, recently I noticed that an >entire line of pixels -- horizontally across the center of display does not >appear to be *working* . Any characters that occupy this section of the screen >appear to have a streak through it. I have not tried changing the batteries as >yet as I am curious to know if others have experienced a similar problem. >Thanks for any info as to the cause/cure. > Roger Smith Sounds like you might have lost a connection on one of the LCD pins. I REALLY don't think it has anything to do with the batteries. peraino@gmuvax.gmu.edu
bill@thd.tv.tek.com (William K. McFadden) (06/14/91)
My HP-48 did the same thing, only it was a missing column. It started out as a defect in the upper left corner that gradually got worse. This was a known design flaw in the earlier machines. If your machine is a rev. E, it's probably something else. In either case, send it to HP and they will replace it with a brand new rev. E. HP is really good about doing this quickly. The whole process only took a week for me, including Thanksgiving weekend. -- Bill McFadden Tektronix, Inc. P.O. Box 500 MS 58-639 Beaverton, OR 97077 bill@tv.tv.tek.com, ...!tektronix!thd!bill Phone: (503) 627-6920 "How can I prove I am not crazy to people who are?"
billw@hpcvra.cv.hp.com. (William C Wickes) (06/14/91)
Probably a bad connection to the LCD. Send it in for repair under warranty. Bill Wickes HP Corvallis
aaastrom@zeus.calpoly.edu (Allen Aastrom) (06/15/91)
In article <91163.161609MASONS1@vm.utcs.utoronto.ca> MASONS1@vm.utcs.utoronto.ca writes: >Hi, > My HP 48sx was bought in october of last year, recently I noticed that an >entire line of pixels -- horizontally across the center of display does not >appear to be *working* . Any characters that occupy this section of the screen >appear to have a streak through it. I have not tried changing the batteries as >yet as I am curious to know if others have experienced a similar problem. >Thanks for any info as to the cause/cure. > Roger Smith The same thing happened to my friends hp48sx. He called HP and they told him that it was a defect. He sent it in and they send him a brand new version E. -- Allen Aastrom aaastrom@nike.calpoly.edu
christie@extro.ucc.su.OZ.AU (Chris Tham) (06/16/91)
In article <91163.161609MASONS1@vm.utcs.utoronto.ca> MASONS1@vm.utcs.utoronto.ca writes: > My HP 48sx was bought in october of last year, recently I noticed that an >entire line of pixels -- horizontally across the center of display does not >appear to be *working* . Any characters that occupy this section of the screen >appear to have a streak through it. I have not tried changing the batteries as >yet as I am curious to know if others have experienced a similar problem. >Thanks for any info as to the cause/cure. I have the same problem with my HP-48SX (Corvallis Rev E) except in my case an entire column of pixels is blank. Changing batteries, running self test, pressing reset, adding/removing cards do not work. In desperation, I even tried the Display Melt procedure in the hope that the screwy voltage would jolt the pixels back on. No go. Sometimes, however, whilst running self test (which says OK 48 by the way, the little liar!) the column of pixels magically come on for a split second before disappearing again. I rang up HP in Australia and they told me to send it in and get a replacement but I haven't done so yet because I need it (columnless and all) for a couple of exam papers. I will probably send it in after my exam. Hope yours is still under warranty! christie
akcs.kennedydw@hpcvbbs.UUCP (Douglas Wayne Kennedy) (06/21/91)
I've had the "blank column" problem, too. HP fixed my rev. C (not really, they sent me a new rev. E) in about a week. Thanks, HP! Doug Kennedy
druegeme@hpwad.WAD.HP.COM (#Daniel Ruegemer) (06/27/91)
Hi, I seem to have a similar problem on my HP28S: It's a single pixel that seems to be connected to a 'never'-gate.