Read Sharp XE-A102 (serv.man7) Technical Bulletin online
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1
XE-A102 Mode Switch
Trouble
1.Model Name:
XE-A102
2.General:
Please be informed of the corrective action in case of experiencing the
trouble of Rotary Switch (Mode Switch).
trouble of Rotary Switch (Mode Switch).
3.Phenomenon:
When rotating the Key of Rotary Switch (Mode Switch) with it tilted forward/
backward or right/ left, you may experience that the contact terminal
momentarily gets detached from the
pattern of the board so that the display goes off or the power is shut down.
backward or right/ left, you may experience that the contact terminal
momentarily gets detached from the
pattern of the board so that the display goes off or the power is shut down.
4.Cause:
1) The height of 2 contact terminals is less than the specification.
2) There is some clearance between the boss periphery of Internal Cylinder
and the hole of Board, which causes the looseness of this part.
and the hole of Board, which causes the looseness of this part.
3) The tilt of Internal Cylinder is large.
5.Measures:
1) To control the height of contact terminals.
After attaching the contact terminal to the internal cylinder, check if the height
of the contact terminal is within the range of specified values.
After attaching the contact terminal to the internal cylinder, check if the height
of the contact terminal is within the range of specified values.
2) Clearance between the boss periphery of Internal Cylinder and the hole of
Board.
To narrow the clearance between the boss of Internal Cylinder and the hole
of Board to reduce the looseness.
Board.
To narrow the clearance between the boss of Internal Cylinder and the hole
of Board to reduce the looseness.
3) Tilt of Internal Cylinder
To narrow the vertical clearance between the Internal Cylinder and the Board
to reduce the tilt of Internal Cylinder.
To narrow the vertical clearance between the Internal Cylinder and the Board
to reduce the tilt of Internal Cylinder.
6.Action:
(For the field)
Please replace the Rotary Switch on the occurrence of the failure or on the
occasion of servicing.
Please replace the Rotary Switch on the occurrence of the failure or on the
occasion of servicing.
(For production)
The modifications have been implemented from February 2007 production.
The modifications have been implemented from February 2007 production.
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2
Change in supplying mode of Rotary Switch as a service part
Description of change
Description of change
Before change: Supplying in a state of Rotary Switch alone
After change: Supplying in a state of Rotary Switch having 'the cable with connector' attached
Illustrative photos of the change (Appearance and part code before/after the change)
For the field support, the item (1) below is used for modification.
For the field support, the item (1) below is used for modification.
Meanwhile, the item (2): Rotary Switch Unit (Rotary Switch + Keys: 2pcs) has been set as a service
part.
part.
Due to this change, the Rotary Switch Unit also includes the Rotary Switch with the cable connected.
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