Introduction
The LCD readout on this multimeter develops missing segments in the numbers making them unreadable. Simply removing and cleaning the conducting polymer strip that connects the small LCD screen to the circuit board restores normal LCD function.
What you need
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Remove the two screws from the back of the meter to open it.
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Remove the three screws on the circuit board to remove the circuit board from the body. Be careful not to lose the two small ball bearings that sit on springs on the underside of the circuit board that hold the dial in position.
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Remove the black plastic LCD and backlight frame from the top of the circuit board by pushing and releasing the small black plastic pins that protrude through the circuit board. The picture is not in good focus, it shows copper tabs at the top of circuit board and the LCD and polymer strip in the black plastic frame in the background
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Remove the pinkish conductive polymer strip from the black plastic LCD frame.
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Wipe both edges of the polymer strip with an alcohol wipe. Then wipe the corresponding section of small copper conductors at the top of the circuit board that make contact with the polymer strip.
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Replace the polymer strip into the LCD frame making sure it firmly contacts the LCD screen. Then clip the LCD frame back in place on the circuit board by pushing the 4 black plastic pins through the square holes in the circuit board. Make sure the polymer strip makes solid contact with the circuit board.
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