Panasonic TY-TP42P8S Operating Instructions Manual

Also see for TY-TP42P8-S: Service manual Specifications

Contents

Panasonic TY-TP42P8S Operating Instructions Manual Manual pdf 34 page image

34TroubleshootingBefore requesting repairs Please check the following points.SymptomNo response at all toinputSuddenly stopsresponding duringoperationResponse is slowThere are some partsthat do not respondCheckCheck the USB cableCheck that the USB cable is securely connected.Check extraneous lightCheck whether there is (or might be) any equipment in the surrounding area thatuses a powerful light source or infrared light. The touch panel is an optic type thatuses infrared light. Extraneous light containing infrared radiation may interfere withoperation.Fluorescent lamps: These are not a problem because they do not produceinfrared light.Sunlight: This is not a problem if there is no direct exposure.Incandescent light bulbs: These require caution because they produce the mostinfrared light. Keep such light sources as far away aspossible from the touch panel.Check extraneous lightCheck whether there is (or might be) any equipment in the surrounding area thatuses a powerful light source or infrared light. The touch panel is an optic type thatuses infrared light. Extraneous light containing infrared radiation may interfere withoperation.Fluorescent lamps: These are not a problem because they do not produceinfrared light.Sunlight: This is not a problem if there is no direct exposure.Incandescent light bulbs: These require caution because they produce the mostinfrared light. Keep such light sources as far away aspossible from the touch panel.Check for incorrect operation due to electrical noiseThe microcomputer in the Touch Panel may operate incorrectly if any sources ofelectrical noise are close to it. Keep such sources of electrical noise as far away aspossible from the Touch Panel.Check for incorrect operation due to electrical noiseThe microcomputer in the Touch Panel may operate incorrectly if any sources ofelectrical noise are close to it. Keep such sources of electrical noise as far away aspossible from the Touch Panel.Check object used for input (not by finger)Check whether input is being done using an object smaller than a finger.If input is attempted using an object smaller than 6 mm x 6 mm wide, the coordinatesof the infrared beam may not be detected. Do not attempt to enter data using adevice with dimensions of 2 mm by 2 mm or less.This may slow detection or result in no detection at all.Check object used for input (not by finger)Check whether input is being done using an object smaller than a finger.If input is attempted using an object smaller than 6 mm x 6 mm wide, the coordinatesof the infrared beam may not be detected. Do not attempt to enter data using adevice with dimensions of 2 mm by 2 mm or less.This may slow detection or result in no detection at all.Did you touch the infrared transmissive area on the screen before the PC hadcompleted the starting of its OS?If so, please restart your PC.

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