Solar Cell-Pcb Ass'y Contact Checking - Casio PRG-60TJ 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 down A button, press B and E buttons within two seconds.
Timekeeping Mode
2. Check a Solar cell and PCB ass'y contact in the following order.
1) Turn the display side up and place the watch in a light place (in a normal environment) for five
seconds.
2) Check the display indicates as figure 3.
3) Turn the display side down and place the watch on the desk for five seconds.
4) Turn the didplay side up again and check the display indicates "SLEEP" as figure 4.
Note: "SLEEP" disappears after the display side is turned up and recognizes the light for a few
seconds.
3. To exit from TEST mode.
Press D button.
Figure 1
Figure 3
(The display is faded away)
Figure 4
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TEST Mode
(The display is faded away)
Figure 2