Seiko W850A, Техническое руководство

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8
TECHNICAL GUIDE
Cal. W850A, W851A, W853A, W854A
• How to install
Set the end portion of smaller diameter to the guide
hole of the liquid crystal panel frame.
22 Electroluminescent lead terminal
Liquid crystal
panel frame
Electroluminescent
lead terminal
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.
20 Liquid crystal panel
“A” portion
Liquid crystal panel
“B” portion
IV. VALUE CHECKING
• Current consumption
For the whole module : Less tha n 9.4
µ
A (with voltage of 3.0 V supplied from a battery)
For the circuit block alone : Less than 5.5
µ
A (with voltage of 3.0 V supplied from a battery)
• 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.)
(Correction: Current consumption 2009.01.21 )