CASIO QW1676 (SM577)
Manual de Servicio

6-9. HOW TO CHECK TILT SENSOR
The module QW-1676 uses the tilt sensor which enable the EL back light to be switched on automatically. For the repairing of the tilt sensor, please replace the PCB ass'y or the module with new one. Because the special equipments are necessary for fixing and adjustment of the tilt sensor. Please check and repair the tilt sensor according to the following procedure. A new PCB ass'y or the module as spare parts will be supplied from CASIO with the factory adjustment on the tilt sensor.

CHECKING OF TILT SENSOR

Switch the auto backlight function on.

Tilt the watch towards you for 45 degree from the position that is parallel to ground. Repeat the tiltings for 20 times.

YES

Is the EL light switched on more than 16 times ?

NO

The sensitivity of the sensor is acceptable.

Replace the PCB ass'y or the module with new one.

Parallel to ground

45°

� 18 �