Question about Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A, 9.6v 1000mAh NiMh Pk 2-Way Radio

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TH-79A Blank screen. It works with "F-switch on" but then goes blank.

TH-79A. No display. I know it works, 'cuz "F>switch on" shows the display, but then it goes blank and remains that way. Any good fixes?

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Happened to me too. It takes some disassembling!!!! Between the screen and the underlying circuit board is a rubber strip with conductive material throughout which provides ''ground' for the display. This rubber wears out over time, but the quick fix is to turn it a quarter after cleaning and treating the contact surface with 'contact spray'( sparsely!!).

Job requires steady hand and pincers.

Posted on Sep 08, 2009

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