speedyxjs
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| posted on 23/3/07 at 02:26 PM |
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Repairing LCD displays
Does anyone know how to repair the faded LCD clocks on the jaguar xj300 (common problem). There's an ebay seller that sell recon parts, but he
wants the clock sent to him first.
How long can i resist the temptation to drop a V8 in?
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Mr Whippy
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| posted on 23/3/07 at 02:30 PM |
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hmm and would that be the last time you ever see them again...
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02GF74
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| posted on 23/3/07 at 02:37 PM |
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does hye not want them becasue he replaced the LCD screen part?
Don't know much about how can and do fail LCD but wold guess that maybe UV is damageidn the liquid crystal in a permanent way? Or maybe some
internal mod that increase the drive current to them? LCDs are not my bag.
Do you know what is the cuase of the dimming?
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speedyxjs
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| posted on 23/3/07 at 02:47 PM |
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No but my odometer is also on the way out.
How long can i resist the temptation to drop a V8 in?
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Mr Whippy
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| posted on 23/3/07 at 02:58 PM |
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If its LCD then there must be a light source behind the display. Is this just a simple bulb? If it was me I'd be reaching for the screw driver
to see...
[Edited on 23/3/07 by Mr Whippy]
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ecosse
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| posted on 23/3/07 at 03:07 PM |
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If it is the clock and heater display it is just the contacts on the ribbon that get slack.
I know the guy that fixes them (lanarkshire area?) hes a local (to me anyway!) jag specialist, if its the same one.
It is easy to do yourself though, I think I have a guide somewhere if you are interested?
Cheers
Alex
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speedyxjs
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| posted on 23/3/07 at 03:53 PM |
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That would be great 
How long can i resist the temptation to drop a V8 in?
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pewe
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| posted on 23/3/07 at 03:54 PM |
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If you go to www.saabscene.com or saabcentral.com I'm sure there was a discussion on one of them about LCD displays. Cheers, Pewe 
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ecosse
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| posted on 23/3/07 at 04:21 PM |
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this is cut from the jaglovers ebook but you will get all the details (and many more!) from the same site
quote:
Clock modules occasionally suffer from faint displays, caused by bad contacts between a circuit board and flexible ribbon cable inside the unit. It is
possible to make a repair, though some may consider it to be a less than professional fix!
Access can be gained following the instructions in section 10.1. Remove the connector at the rear of the clock unit itself, undo the four screws
attaching it to the rest of the assembly and then take it to a bench area for further work.
The unit itself is opened by undoing the small screws at the rear and releasing the plastic tabs. Whilst the unit is open, take care not to lose any
of the small components in there. Release the LCD panel itself by carefully spreading the black tabs holding it into the white plastic bracket. The
panel is attached to the main circuit board by a ribbon cable, and it is the connection at the circuit board end that is the problem.
Tape the ribbon cable in place and use a business card or piece of pizza box ( both have been successfully deployed! ) to put pressure on the ribbon
cable where it connects to the pcb, behind the white plastic bracket.
Take the unit to the car in plug it in. Use the time set buttons to cycle through all the digits to make sure the fix is complete before reassembly.
If segments are still missing or faint, additional pressure may be needed on the ribbon cable.
When all is working, reassemble the clock unit and then refit into the centre console. Attach the cable and take care not to stress any other wires as
you fit the console back into position.
Cheers
Alex
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speedyxjs
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| posted on 23/3/07 at 04:29 PM |
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ooh i forgot to try jaglovers.
How long can i resist the temptation to drop a V8 in?
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ecosse
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| posted on 23/3/07 at 04:41 PM |
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quote:
Originally posted by speedyxjs
ooh i forgot to try jaglovers.
I couldn't keep my jag on the road without that site it's like locostbuilders for jags 
Cheers
Alex
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