Old 200XLT -- Need a little advice

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GrumpyAeroGuy

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I fired up my ancient 200XLT recently (not sure why --- nostalgia probably).

The keypad keys are not responding very well at all. I have to press hard to get them to function. This is true across the board. It HAS been sitting idle for some time.

Also, the L/O key does not function at all. I suspect a dirty keypad - membrane interface.

Any suggestions? I was thinking about opening it up and trying to blow it out. I don't have much to lose as this unit is 20+ years old....

Any other wisdom out there? THanks in advance.
 

dhd1955

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Just dug my 200xlt out a couple weeks ago same problem. Took it apart and cleaned the keypad button backs and also the circuit board with alcohol wipes. Works like new again!
 

HelixArray

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I'd take it apart for the L/O button alone. I had an old marine two-way that was gummed up. Apparently the adhesive from the velcro strips melted under heat and migrated internally somehow. I took some CRC electrical cleaner to the board and buttons with an old tooth brush.
 

hamstang

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Just dug my 200xlt out a couple weeks ago same problem. Took it apart and cleaned the keypad button backs and also the circuit board with alcohol wipes. Works like new again!
I did the same thing awhile back with an old Pro-43 scanner. Seems like I remember using a pencil eraser to clean the contact areas of the circuit board before cleaning with alcohol.
 

GrumpyAeroGuy

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well, I do appreciate the input. I will give that a shot. I am NOT an electronics tech, but, I will be careful and try to remember what part goes back in first and where... LOL
 
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