It's great to be able to obtain a precious technical information for a real old equipment. The one I got helps me a lot in the area of wiring diagram to repair my antique. PDF gave me clear enough information to find out thr details. Thanks for giving me the oppotunity to be able to access to almost vanished informations.
Another excellent aquisition. Fine detailed manual. Thanks
Text excerpt from page 20 (click to view)
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.