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5. Copper foil tape attachment
Key cabinet side
(1) Temporarily attach the copper foil tape to be added to the PWB
unit as shown in the figure below.
Attachment reference
PWB unit
PWB external shape
Copper foil tape
(2) When soldering the battery terminals, solder the copper foil tape
together.
Copper foil tape
Solder
(3) Attach the display side unit, attach copper foil tape t the side of
the hinge unit, and tighten the key bottom cabinet together.
Hinge unit
Attachment reference
Battery terminal soldering
pad external shape
Soldering pad
Copper foil tape
PWB unit
– 43 –
4 Key PWB unit removal
1. Remove two screws 1 and remove chassis B 2 .
2. Remove fourteen screws 3 and remove key PWB unit 4 .
1
3
3
Space key
Key upper cabinet
[Note for assembly]
1. Key upper cabinet key PWB unit screw tightening
(screw × 14pcs.)
Key PWB unit screw tightening (screw x 14 pcs.)
* Tightening torque 0.4kgf.cm
Key upper cabinet
3
2
3
4
3
Key rubber
+
-
25%
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