Advertisement
TECHNICAL GUIDE
22 Electroluminescent lead terminal
• How to install
Set the end portion of smaller diameter to the guide
hole of the liquid crystal panel frame.
20 Liquid crystal panel
23 Liquid crystal panel frame
• How to remove
Release the hooking portion of the liquid crystal panel
frame ("A" portion in the illustration at right) by
moving it in the direction of the arrow with the tip of
tweezers, and remove the liquid crystal panel.
• How to install
Slip the liquid crystal panel into the gap under "B"
portion of the liquid crystal panel frame, release "A"
portion by moving it in the direction of the arrow with
the tip of tweezers, and then, set the liquid crystal
panel.
IV. VALUE CHECKING
• Current consumption
For the whole module
For the circuit block alone :
• All the segments lit up
How to light up all the segments
In the TIME/CALENDAR mode, press and hold button "B" for 2 to 3 seconds to show the TIME/CALENDAR
SETTING display, and then, press buttons "C" and "D" at the same time to light up all the segments of the
display.
• With all the segments lit up, check for abnormal displays, etc.
• To return to the normal display, press button "A", "B", "C", "D", "E" or "F". (The watch will return to
the TIME/CALENDAR mode.)
8
Liquid crystal
panel frame
Less than 9.4 µA (with voltage of 3.0 V supplied from a battery)
:
Less than 5.5 µA (with voltage of 3.0 V supplied from a battery)
(Correction: Current consumption 2009.01.21 )
Cal. W850A, W851A, W853A, W854A
"A" portion
Electroluminescent
lead terminal
"B" portion
Liquid crystal panel
Advertisement
