Pt40lc12 - AVS Forum | Home Theater Discussions And Reviews
Forum Jump: 
 
Thread Tools
post #1 of 5 Old 08-23-2002, 10:16 AM - Thread Starter
AVS Forum Special Member
 
jdmcdonald's Avatar
 
Join Date: Apr 2002
Posts: 1,058
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked: 10
How many of you have a Panasonic PT40LC12?

Mine has a geometry problem. If you look at a pillerbox picture,
either internally or externally generated bars, the bars are
straight and paralled to the edges for the top 3/5 of the picture and
the bow out about 3/16 inch each to the bottom.

I was told that this can only be fixed by an entire new projection
assembly which is backordered with absolutely no indication of
when they will come in.

Does you set have a geometry problem? The demo model at
Best Buy has a small barrel distortion which looks to be of
the size mine would be if I got the error moved to the middle
(i.e. about 3/32 or 1/8 inch).

Should I

1) wait for a new part

2) send the set back to Circuit City and pray that a
replacement will be better and not have another problem?

I'm afraid that a new set would have an equivalent or
worse but different problem.

I really like the set otherwise. I know that it has a gray background,
but I don't care, and I am mortally afraid to buy a Samsung DLP
set and find that I hate the color fringing due to the whirling
color disk.

Doug McDonald
jdmcdonald is offline  
Sponsored Links
Advertisement
 
post #2 of 5 Old 08-23-2002, 04:10 PM
AVS Forum Special Member
 
jfischer's Avatar
 
Join Date: Oct 1999
Location: Littleton, CO
Posts: 1,877
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 33 Post(s)
Liked: 24
Quote:
Originally posted by jdmcdonald
Mine has a geometry problem. If you look at a pillerbox picture,
either internally or externally generated bars, the bars are
straight and paralled to the edges for the top 3/5 of the picture and
the bow out about 3/16 inch each to the bottom.
If you're bothered by bowing of 3/16" on a 40" set, you'll never be satisfied with ANY consumer set. I wouldn't risk having the set torn open just to put another projection unit in there. Odds are it won't be any better, and MIGHT be worse!

Honestly, at a normal viewing distance is 3/16" of an inch even worth worrying about?

I've got the 45" set, and the picture looks fine to me. If it's off by 3/16" of an inch, I don't notice it, nor do I care. If you can get used to the set's relatively poor black levels, a 3/16" inch geometry issue should be a NON-issue.

Of course, that's just my opinion, I could be wrong...
jfischer is offline  
post #3 of 5 Old 08-26-2002, 02:11 PM - Thread Starter
AVS Forum Special Member
 
jdmcdonald's Avatar
 
Join Date: Apr 2002
Posts: 1,058
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked: 10
Mine is not 3/16 out ... it is between twice that (3/8) and 1/2 inch.
That's because I said 3/16 on each side.

The one at BB is 3/16 total out and is not bothersome.

Mine would not be so bad if it were straight lines and
a trapezoid, mine is perfectly straight for the top 2/3 and
then bows out.

They got the new projection unit and will try it; if it is worse,
they will leave in the old one.

We shall see.

Doug
jdmcdonald is offline  
Sponsored Links
Advertisement
 
post #4 of 5 Old 08-27-2002, 06:04 AM
AVS Forum Special Member
 
jfischer's Avatar
 
Join Date: Oct 1999
Location: Littleton, CO
Posts: 1,877
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 33 Post(s)
Liked: 24
Quote:
Originally posted by jdmcdonald
Mine is not 3/16 out ... it is between twice that (3/8) and 1/2 inch.
That's because I said 3/16 on each side.
It will be interesting to see if the new unit makes any difference. I still don't think less than 1/4" on each side is worth worrying about, especially on a screen that size. Tolerances on consumer-grade CE gear just aren't that tight.

Good luck though!
jfischer is offline  
post #5 of 5 Old 08-27-2002, 11:03 AM - Thread Starter
AVS Forum Special Member
 
jdmcdonald's Avatar
 
Join Date: Apr 2002
Posts: 1,058
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Liked: 10
The set came back with the new projection unit.

The geometry is perfect; otherwise it looks just the same.

The color temperature is not adjustable except on the RGB input.

I will now explore color filters.

Doug MCDonald
jdmcdonald is offline  
Sponsored Links
Advertisement
 
Closed Thread Rear Projection Units

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page


Forum Jump: 

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off