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5-3. 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
A
button, press
B
and
D
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.
Figure 3
Figure 1
Figure 2
Press
A
,
B
and
D
buttons
C
A
D
Place the watch in a dark
room more than 3 seconds.
3.
To exit from TEST mode
Press any button.
5-4. TIME CALIBRATION SIGNAL TEST MODE
1) Press
B
,
C
and
D
button at the same time to enter the test mode.
2) Press
D
button to switch from one signal source to another.
U60: Fort Collins, Colorado (Call Sign: WWVB, Frequency: 60kHz)
J40: Fukushima, Japan (Call Sign: JJY, Frequency: 40kHz)
J60: Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60kHz)
3) Press
B
button to start signal reception.
B
Appear “8888” on display.