Common EL Display
issues you will most likely run into that will need
attention and possibly replacement. We'll post images
delaminating around the edges.
substrate. This happens often given the displays
are used in factories and its easy to damage a display
by accident. Secondly, if not properly packaged this can
result during shipping. We normally double box these
glass displays just to be on the safe side.
Excessive burn-in and a background hue. Actually
this display came from a reseller selling a "new"
display. Of course this is not new and has excessive
burn-in. This also shows a two electrodes that are on
all the time. At the bottom of the display you will also
notice multiple missing rows. The electronics may be
salvageable but the glass substrate is not repairable.
failing creating internal shorts between row and
Below is a picture of two row electrodes
that should not be illuminated because we have not
supplied the display with the necessary video data yet.
Sometimes these can be repaired but if its an
the glass substrate will not be salvageable.
Burn-in that can bee seen with the display in the
At Capetronics Inc we have the ability to repair and test EL Displays from Sharp Electronics and Planar Systems.
In some cases we can replace a display that is not
repairable. See image below. We are adding to the list everyday so please contact us
about replacing your industrial
If you have any damaged Sharp EL Displays, Planar Displays or NEC Displays
in your stock we will be happy to make you an offer to purchase them. Contact the
Capetronics Sales Department.
few of the Sharp LJ series and Planar EL
series displays we repair.
display. We have repaired and supplied many
LJ320U27 display for industry. If you have a
LJ320U27 that is faulty we suggest you use
it for an exchange. Availability on the
LJ320U27- hard to find.
LJ512U21 Sharp display. We have repaired and supplied
refurbished LJ512U21 for industry. If you have a
LJ512U21 that is faulty we suggest you use it for an
exchange with Capetronics. Availability on the Sharp
LJ512U21 - hard to find
LJ512U25 was used in many different applications and
machines. We have repaired and refurbished many LJ512U25
Sharp displays over the years. If you have damaged
units, we suggest you save them. Availability on the
LJ512U25 - Hard to find.
Sharp LJ512U27 have moved through our doors just as much
as the Sharp LJ512U25. If the glass part of the display
is in tacked then we are 100% able to repair this Sharp
LJ512U27. Availability on the LJ512U27 - hard to find.
Sharp LJ512U32 is a display that was also used in many
different machines and we have repaired many of these
LJ512U32. Availability on the LJ512U32 - Hard to find.
If you do find some displays make sure you ask the
company you are purchasing from if they have completely
refurbished and checked the display for burn-in and
possible electrode damage. Also make sure there is
a warranty on your purchase.
a very popular display and is still used in many
different pieces of equipment. The LJ640U27 has been
repaired and retrofitted at Capetronics Inc on many
occasions. You can still find some used ones around. Not
many LJ640U27's out there. If you do find some LJ640U27
displays make sure you ask the company you are
purchasing from if they have completely refurbished and
checked the display for burn-in and possible electrode
damage. Also make sure there is a warranty on your
LJ640U31 is a display that uses 5 VDC and 24 VDC as
supply voltage. These LJ640U31 displays are really
robust but because of their age we have seen many with
moderate to extreme burn-in images where the ZnS:Mn thin
film has been damaged.
experience this is the most repaired display to come
through our lab. The LJ640U32 is a 640 line by 400 line
resolution. The availability on these LJ640U32 displays
is "hard to find" especially in good working condition.
We are extremely competent when it comes to the Sharp
LJ640U32 displays. We used special test equipment and
X-rays to repair and test these displays. Capetronics
does have a brand new factory warranty replacement
display for the LJ640U34 that is also EL technology.
Part number C640U32
an obsolete LJ640U34 display but a newer EL display made
by Sharp. Sharp EL displays were the first commercial EL
displays to come onto the market back in 1983. We have
repaired many LJ640U34 displays and welcome any that you
might have that need repair. If you do find USED
LJ640U34 displays make sure that the seller has
refurbished them completely and have tested the LJ640U34
for burn-in. There is nothing like having Chinese
writing as a burn-in image and we have received many of
those. Capetronics does have a brand new factory
warranty replacement display for the LJ640U34 that is
also EL technology. Part
This LJ640U35 display
is a display that has been used in quiet a few medical
products back in its day. Also a very robust display and
if the display controller has a screen saver function
this LJ640U35 should still be in operation in most
cases. Of course there are heat and time sensitive
components that should be replaced. Availability on the
LJ640U35 is of course "hard to find"
We have repaired and
refurbished many LJ64ZU49, LJ64ZU51 and LJ64ZU52
displays over the years. These displays are more complex
than the LJ640U32, LJ640U34, LJ640U35 and LJ640U27
displays. These displays have something called gray
scale option. The availability on these obsolete
displays is slim pickings. Capetronics is working on a
NEW EL option and that should be out soon.
Here is a picture below of a rare Sharp LJ640U07 EL Display. We repair them and this one is for sale.
Contact the Sales Department at Capetronics Inc
Below we have a picture of the back of a Planar EL640.400CE 4.
Another EL display that is used on Various Machinery is the Planar
EL640.480-AM. This is a picture of the back of it below.
We have a quiet a few of these screens Planar EL640.200-U5 REV C (EL640.200-UX)
We repair missing lines and pixels on this display as
long as the electrodes are not damaged on the glass
substrate. Usually if you notice individual missing
pixel that is an indication that the screen is beyond
The picture below is a production Planar EL640.400-C3.
The picture Below is a Sharp LJ64ZU52. This is a gray scale EL Display.
Pictured here is a Sharp LJ64ZU51. We
have one unit in Stock. This is the 24 V DC model.
Below is a picture of yet another rare
Sharp EL Display. This is the Sharp LJ512U32 screen.
This screen is used in Flight simulators. We also repair
and test these screens.
We also repair the older MD range of EL
displays. This is the MD640.350 display pictured below.
We also repair the MD640.400 display.
Below is a gem of a screen. This is a
Sharp LJ320U27. We repair this LJ320U27 and we have six
in stock. Please call or email Capetronics for more
Below is a picture of a Sharp LJ64H052 EL
Display. Contact the
service department if you need a repair or
contact the sales department
if you need to exchange a display.
The next below is a
Sharp LJ640U26. Please contact the service division at
Capetronics if you have a repair or would like to get
rid of your old display.
This next EL Display is from the early
90's and its the NEC PD640G400DA-100B or simply the
PD640U400DA. This is a 640 X 400 line almost red EL
Display that we can repair and test using our
simulation software and hardware. Capetronics Inc has
one available but are always looking for more. We will
sell or repair the NEC PD640G400DA-100B
Copyright © 2002- 2016 Capetronics Inc