PR400 screen

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kd5wfy
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Joined: Wed Oct 03, 2007 3:48 pm

PR400 screen

Post by kd5wfy »

my dept and several other depts in the area are having problems with our pr400 screens going out. does anyone know what is causing this and is it easy to fix. thanks

Brian
AEC
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Re: PR400 screen

Post by AEC »

Many times, the interconnect flex has been pulled out of the socket, or the clamp has become loose.

Open the case, reseat the flex cable and turn the unit on and look at the display.
AEC
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Re: PR400 screen

Post by AEC »

The worst case scenarion is a defective LCD, and those aren't all that common.

Most problems arise with the flex cable being pulled from the header, or just unseated and either stops working, or shows odd characters due to imporoper signals getting to the display.

If the flex became unattached from the LCD body, then you will need a new LCD module.
Delamination of the LCD is not repairable by most shops, and the replacement cost of a new LCD is cheaper.
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