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Old April 20th 14, 11:55 PM posted to alt.home.repair
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Default Well , kinda OT , kinda on

My 22" LCD monitor died , backlight problems and I'm not sure if it's a
power supply problem or the CCFL's ... so I ordered an LED replacement
backlight kit . When I disassembled the screen , I noticed small cracks in
the bottom edge of the acrylic ? backlight diffuser sheet . They just
happen to correspond to the dark streaks in the screen pre-death . I'm
wondering if there's anything I can use on that edge to seal the cracks ,
thereby restoring the dark streaks to their former bright glory . Is crazy
glue compatiblte with most clear plastics ? Maybe a drop of acetone or other
solvent on the crack ? It seems that I've actually gotten
longer-than-average life from this screen , but for around 20 bucks for the
kit I figgered it was worth a shot . Worst case is I'm 20 bucks poorer and
it's still dead - which is actually no biggie because my partner-in-life has
agreed that a new monitor is a valid use of tax refund monies and a new one
is on the way .
--
Snag
She wasn't so sure about the
new motorcycle boots ...



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Old April 21st 14, 12:34 AM posted to alt.home.repair
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Default Well , kinda OT , kinda on

On 04/20/2014 05:55 PM, Terry Coombs wrote:
My 22" LCD monitor died , backlight problems and I'm not sure if it's a
power supply problem or the CCFL's ... so I ordered an LED replacement
backlight kit . When I disassembled the screen , I noticed small cracks in
the bottom edge of the acrylic ? backlight diffuser sheet . They just
happen to correspond to the dark streaks in the screen pre-death . I'm
wondering if there's anything I can use on that edge to seal the cracks ,
thereby restoring the dark streaks to their former bright glory . Is crazy
glue compatiblte with most clear plastics ? Maybe a drop of acetone or other
solvent on the crack ? It seems that I've actually gotten
longer-than-average life from this screen , but for around 20 bucks for the
kit I figgered it was worth a shot . Worst case is I'm 20 bucks poorer and
it's still dead - which is actually no biggie because my partner-in-life has
agreed that a new monitor is a valid use of tax refund monies and a new one
is on the way .




I'm pretty good at fixing things and often go to great lengths to fix
thing most people would toss...but if my monitor died, I'd just get a
new one.
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Old April 21st 14, 01:26 AM posted to alt.home.repair
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Posts: 2,920
Default Well , kinda OT , kinda on

philo wrote:
On 04/20/2014 05:55 PM, Terry Coombs wrote:
My 22" LCD monitor died , backlight problems and I'm not sure if
it's a power supply problem or the CCFL's ... so I ordered an LED
replacement backlight kit . When I disassembled the screen , I
noticed small cracks in the bottom edge of the acrylic ?
backlight diffuser sheet . They just happen to correspond to the
dark streaks in the screen pre-death . I'm wondering if there's
anything I can use on that edge to seal the cracks , thereby
restoring the dark streaks to their former bright glory . Is crazy
glue compatiblte with most clear plastics ? Maybe a drop of acetone
or other solvent on the crack ? It seems that I've actually gotten
longer-than-average life from this screen , but for around 20 bucks
for the kit I figgered it was worth a shot . Worst case is I'm 20
bucks poorer and it's still dead - which is actually no biggie
because my partner-in-life has agreed that a new monitor is a valid
use of tax refund monies and a new one is on the way .




I'm pretty good at fixing things and often go to great lengths to fix
thing most people would toss...but if my monitor died, I'd just get a
new one.


Oh , I did , it's on it's way even as I type . But for 20 bucks I figger
it's worth a shot to try a repair . That screen , if it works when I'm done
, will be hooked to the "farm server" comp that will be set up out in my
shop . And if it doesn't work , well this one I'm using on my desktop will
suffice . CRT's ugh , but if that's all ya got ...
--
Snag


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Old April 21st 14, 01:41 AM posted to alt.home.repair
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First recorded activity by DIYBanter: Jul 2006
Posts: 227
Default Well , kinda OT , kinda on

I have fixed several monitors with bad capacitors and/or blown output
transistors. All good results.
I tried to fix several with bad CCFL tubes. Much trickier. If you have
disassembled the screen to the point that you have free diffuser/polarizing
sheets, I think reassembly is problematic. Not sure what magic is needed
but I did not possess. My guess is that sealing the cracks will only make
things worse. As a spare monitor, probably somewhat useful with the streaks.
But you are at the learning stage so let us know how it comes out.

"Terry Coombs" wrote in message
...
philo wrote:
On 04/20/2014 05:55 PM, Terry Coombs wrote:
My 22" LCD monitor died , backlight problems and I'm not sure if
it's a power supply problem or the CCFL's ... so I ordered an LED
replacement backlight kit . When I disassembled the screen , I
noticed small cracks in the bottom edge of the acrylic ?
backlight diffuser sheet . They just happen to correspond to the
dark streaks in the screen pre-death . I'm wondering if there's
anything I can use on that edge to seal the cracks , thereby
restoring the dark streaks to their former bright glory . Is crazy
glue compatiblte with most clear plastics ? Maybe a drop of acetone
or other solvent on the crack ? It seems that I've actually gotten
longer-than-average life from this screen , but for around 20 bucks
for the kit I figgered it was worth a shot . Worst case is I'm 20
bucks poorer and it's still dead - which is actually no biggie
because my partner-in-life has agreed that a new monitor is a valid
use of tax refund monies and a new one is on the way .




I'm pretty good at fixing things and often go to great lengths to fix
thing most people would toss...but if my monitor died, I'd just get a
new one.


Oh , I did , it's on it's way even as I type . But for 20 bucks I figger
it's worth a shot to try a repair . That screen , if it works when I'm
done , will be hooked to the "farm server" comp that will be set up out in
my shop . And if it doesn't work , well this one I'm using on my desktop
will suffice . CRT's ugh , but if that's all ya got ...
--
Snag




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Old April 21st 14, 01:04 PM posted to alt.home.repair
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Default Well , kinda OT , kinda on

Terry,

Can you purchase a replacement diffuser? If not I'd look for a glue whch
will melt the crack together, Crazy Glue? Acetone?

Dave M.




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Old April 21st 14, 01:24 PM posted to alt.home.repair
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Posts: 83
Default Well , kinda OT , kinda on

"Terry Coombs" wrote in
:

My 22" LCD monitor died , backlight problems and I'm not sure if
it's a
power supply problem or the CCFL's ... so I ordered an LED replacement
backlight kit . When I disassembled the screen , I noticed small
cracks in the bottom edge of the acrylic ? backlight diffuser sheet
. They just happen to correspond to the dark streaks in the screen
pre-death . I'm wondering if there's anything I can use on that edge
to seal the cracks ,


There is a special glue filler made just for this

http://www.ebay.com/sch/i.html?_nkw=screen+glue

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Old April 21st 14, 10:11 PM posted to alt.home.repair
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First recorded activity by DIYBanter: Oct 2012
Posts: 2,920
Default Well , kinda OT , kinda on

Zaky Waky wrote:
"Terry Coombs" wrote in
:

My 22" LCD monitor died , backlight problems and I'm not sure if
it's a
power supply problem or the CCFL's ... so I ordered an LED
replacement backlight kit . When I disassembled the screen , I
noticed small cracks in the bottom edge of the acrylic ?
backlight diffuser sheet . They just happen to correspond to the
dark streaks in the screen pre-death . I'm wondering if there's
anything I can use on that edge to seal the cracks ,


There is a special glue filler made just for this

http://www.ebay.com/sch/i.html?_nkw=screen+glue


Hmm , all the glues I saw at your link were to stick a new screen in
place - mostly on smart phones . I want to repair some cracks in the bottom
edge of the diffuser panel . They leave lines in the display beacause the
light is unevenly diffused . Not an earth-shaking event if I can't fix 'em ,
this monitor is probably going to live out in my shop on a server/storage
box .
--
Snag


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Old April 22nd 14, 03:46 AM posted to alt.home.repair
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First recorded activity by DIYBanter: Sep 2006
Posts: 6,628
Default Well , kinda OT , kinda on

Terry Coombs wrote:
My 22" LCD monitor died , backlight problems and I'm not sure if
it's a power supply problem or the CCFL's ... so I ordered an LED
replacement backlight kit . When I disassembled the screen , I
noticed small cracks in the bottom edge of the acrylic ? backlight
diffuser sheet . They just happen to correspond to the dark streaks
in the screen pre-death . I'm wondering if there's anything I can use
on that edge to seal the cracks , thereby restoring the dark streaks
to their former bright glory . Is crazy glue compatiblte with most
clear plastics ? Maybe a drop of acetone or other solvent on the
crack ? It seems that I've actually gotten longer-than-average life
from this screen , but for around 20 bucks for the kit I figgered it
was worth a shot . Worst case is I'm 20 bucks poorer and it's still
dead - which is actually no biggie because my partner-in-life has
agreed that a new monitor is a valid use of tax refund monies and a
new one is on the way .


I see LCD monitors at thrift shops all the time for $10-40. But I've still
picked up freebies and replaced a few capacitors to make them work fine. The one
I'm using now is a 27" Samsung that had a backlight problem I fixed by opening
it up and jiggleing the connectors.


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Old April 22nd 14, 04:21 AM posted to alt.home.repair
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Posts: 2,920
Default Well , kinda OT , kinda on

Bob F wrote:
Terry Coombs wrote:
My 22" LCD monitor died , backlight problems and I'm not sure if
it's a power supply problem or the CCFL's ... so I ordered an LED
replacement backlight kit . When I disassembled the screen , I
noticed small cracks in the bottom edge of the acrylic ? backlight
diffuser sheet . They just happen to correspond to the dark streaks
in the screen pre-death . I'm wondering if there's anything I can use
on that edge to seal the cracks , thereby restoring the dark streaks
to their former bright glory . Is crazy glue compatiblte with most
clear plastics ? Maybe a drop of acetone or other solvent on the
crack ? It seems that I've actually gotten longer-than-average life
from this screen , but for around 20 bucks for the kit I figgered it
was worth a shot . Worst case is I'm 20 bucks poorer and it's still
dead - which is actually no biggie because my partner-in-life has
agreed that a new monitor is a valid use of tax refund monies and a
new one is on the way .


I see LCD monitors at thrift shops all the time for $10-40. But I've
still picked up freebies and replaced a few capacitors to make them
work fine. The one I'm using now is a 27" Samsung that had a
backlight problem I fixed by opening it up and jiggleing the
connectors.


No thrift stores up here , but a LOT of "flea market" type shops for the
tourist trade . Can't say I've ever seen anything computer-related ... lotta
worn-out horseshoes and rusty block planes though ! This is a small town ,
and the nearest "big city" is , well , also a small town . Population in
Stone County is around 13,000 , mostly in small scattered farming
communities . And some of us just live out in the woods , not in a town .
--
Snag
Oh , and I ordered an LED backlight kit for that monitor
though it's coming on a slow boat from China ...


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Old April 22nd 14, 06:38 PM posted to alt.home.repair
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Default Well , kinda OT , kinda on

On Sun, 20 Apr 2014 19:26:15 -0500, "Terry Coombs"
wrote:

philo wrote:
On 04/20/2014 05:55 PM, Terry Coombs wrote:
My 22" LCD monitor died , backlight problems and I'm not sure if
it's a power supply problem or the CCFL's ... so I ordered an LED
replacement backlight kit . When I disassembled the screen , I
noticed small cracks in the bottom edge of the acrylic ?
backlight diffuser sheet . They just happen to correspond to the
dark streaks in the screen pre-death . I'm wondering if there's
anything I can use on that edge to seal the cracks , thereby
restoring the dark streaks to their former bright glory . Is crazy
glue compatiblte with most clear plastics ? Maybe a drop of acetone
or other solvent on the crack ? It seems that I've actually gotten
longer-than-average life from this screen , but for around 20 bucks
for the kit I figgered it was worth a shot . Worst case is I'm 20
bucks poorer and it's still dead - which is actually no biggie
because my partner-in-life has agreed that a new monitor is a valid
use of tax refund monies and a new one is on the way .




I'm pretty good at fixing things and often go to great lengths to fix
thing most people would toss...but if my monitor died, I'd just get a
new one.


Oh , I did , it's on it's way even as I type . But for 20 bucks I figger
it's worth a shot to try a repair . That screen , if it works when I'm done
, will be hooked to the "farm server" comp that will be set up out in my
shop . And if it doesn't work , well this one I'm using on my desktop will
suffice . CRT's ugh , but if that's all ya got ...


CRTs are fine if you don't have to move them. Mine are sitting where
they are until they die, except for the one on the floor which will
replace the one that dies, until it dies. I used to get them free.

The only problem now is that they are not wide, and this was getting to
be a problem until google.com moved its options from the right,
at-first-invisible side of the screen back to the right side of the left
2/3rds. So that's not a problem anymore.

Right now I'm using a visonics thin screen monitor, square, that a
neighbor threw in the trash, I don't know why.

And someone just gave me another square one that IS broken, but might
just need replacement caps, a guy at a hamfest said. There was a period
a few years ago when a lot of bad caps were sold to manufacturers, but
you can usually tell them because they're swollen upwards and the top,
which is scored in 3 sectors to begin with, is breaking open where it's
scored. This one says nothing when I turn it on for the first 10
seconds it's plugged in. Then it says "no signal" for the next minute,
and after that it says nothing and a faint white line appears at the
top.


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