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How to repair film panel keys



How to repair film panel keys

1. First open the film panel. Then open the top layer of healthy film. Use a multimeter to find the tonnage of each press switch point and circuit board. In order to ensure that the converted switch connection point corresponds to the original one.

2. Use a positioning cone on each plate of the base film to taper the plate wells on the metal plate. The perforation scale is slightly larger than the actual size of the bezel switch. It is advisable to ensure that the emblem switch can move up and down in the hole without blocking. If the hole is too small, the elastic effect of the switch will be disabled.

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3. Compare the distance of each hole in the gold plate. The emblem switch is fixed on the pad. And according to each switch corresponding to the connection point Na connected cable connection. Together, according to the space between the metal plate and the display plate, a corresponding pad side is left. To fix the switch board. Because the new switch board is between the metal plate and the indicator light board. It is also necessary to make a hole on the printed board that corresponds to the indicator light 2 on the display board. In order to ensure that the light emitting tube of the display plate passes through the printed board, the visual signal can be seen from the panel. There must be a certain distance between a line and two boards to prevent short circuits.

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4. The printed switch board will be made. Embedded in the hole corresponding to each switch and the metal plate. Make the top of the press column parallel to the gold fart surface. If the board surface is too high, the outer panel membrane will be pressed after the restoration of the switch can not be used. If it is too low. When the hand is pressed, the switch does not operate in place.

Hangzhou Kaike Electronics Co., Ltd.

Address: No. 2. Dadi Road, Haining Agricultural External Development Zone 314408,

Zhejiang, China

Contact Person: May Wong

Telephone: 86-571-86830690     Fax: 86-571-86687367

Cell Phone: 86-15158112598

Email: May@hzkaike.cn