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3 Display unit and Main PWB unit removal
1. Remove two screws 1 .
2. Remove LCD FPC 2 and remove Display unit 3 .
3. Remove key FPC 4 and remove Main PWB unit 5 .
Copper foil tape
Batt. term
1
Cover lock spring
Cover lock knob
3
[Note for assembly]
1. Attach the display side unit to the key upper cabinet.
(1) Connect in the sequence of (1) -- (2) as shown in the figure below.
Close the display side unit (cover).
2
1
Batt. term
1
Serial port cover
Record
Return spring
button
LED Indicator
release button
2
2. Tighten the return spring to the key upper cabinet with
a screw, then attach the recording/LED indicator re-
lease button.
Note: Fit teh return spring so that it's protruded portion faces
PWB (inner side).
Return spring
Record button
Cabinet unit under
the keyboard
3. PWB unit screw tightening (2 positions)
* Tightening torque: 0.7kgf.cm
4. Battery terminal (+)(–) soldering conditions
– 42 –
LED indicator reset button
+
*Screw tightening torque:0.8Kg Cm 13%
-
+
15%
-
(Soldered state)
Solder tip temperaturn 350 C or less
Soldering time 3sec or less
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