Solar Cell-Pcb Ass'y Contact Checking; How To Check Tilt Sensor - Casio GW-002J Service Manual & Parts List

6-3. SOLAR CELL-PCB ASS'Y CONTACT CHECKING

Check a Solar cell and PCB ass'y are contacted correctly by contact spring, when a module is
disassembled.
1. To enter TEST mode.
1) While pressing D button, press A and B buttons at the normal timekeeping mode.
2. Check a Solar cell and PCB ass'y contact in the following order.
1) Display side up and place the watch on the desk.
2) Check the display indicates as figure 2.
3) Display side down and place the watch on the desk more than 3 seconds.
Or go to a dark room and place the watch more than 3 seconds.
4) Check the display indicates as figure 3.
If "8888" is not appeared on the display, disassemble again the module and check the contact spring
between the Solar cell and PCB.
A
C
3. To exit from TEST mode
Press any button.

6-4. HOW TO CHECK TILT SENSOR

1) Press A, B and C buttons at the normal timekeeping mode.
2) Check the display indicates as figure 4.
3) Tilt the watch towards you more than 40 degrees.
4) Check the display indicates as figure 5.
B
Press D, A and B buttons
D
Figure 1
Appear "8888" on display.
Appear "TLT" on display.
Tilt the watch towards you
more than 40°
Figure 4
— 17 —
Figure 2
Place the watch in a dark
room more than 3 seconds.
Figure 3
Appear "8888" on display.
More than 40°
Figure 5