Sharp UP-X500 (serv.man13) Service Manual / Technical Bulletin ▷ View online
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Page 1 of 5
TECHNICAL UPDATE
UP-X300 / UP-X500 – Touch Panel
Specification Change
Model Name: UP-X300 / UP-X500
General:
Incorrect input caused by dust and foreign objects being stuck
between the Touch Panel and the UP-X300 / UP-X500 cabinet.
between the Touch Panel and the UP-X300 / UP-X500 cabinet.
Cause:
In order to reduce dust/foreign objects being stuck between the
Touch Panel and the UP-X300 / 500 cabinet, and preventing
erroneous input due to dust as well improving the resistance of the
Touch Panel against incidents of scraping by hard objects. The
Touch Panel incorporated in the above models has been changed in
specification.
Touch Panel and the UP-X300 / 500 cabinet, and preventing
erroneous input due to dust as well improving the resistance of the
Touch Panel against incidents of scraping by hard objects. The
Touch Panel incorporated in the above models has been changed in
specification.
Parts Required:
No
Model
Name
Description
Current Part Number
New Part Number
Effective
Time
1
UP-X300
UP-X500
UP-X500
Touch Panel
DUNTK0438BHZZ
DUNTK0684BHPZ
2006/02
2
UP-X300
UP-X500
UP-X500
Touch Panel Sheet
PSHEP3336BHZZ
PSHEP3406BHZZ
2006/02
Action:
The change has been implemented from February 2006 production.
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Page 2 of 5
(1) Procedure for replacing Touch Panel and Touch Panel Sheet
Touch Panel – How to identify the difference.
Top Side (Brown)
Reverse Side (Silver)
Top Side (Gold)
Reverse Side (Gold)
Touch Panel Sheet (T/P Sheet) – How to identify the
difference.
difference.
Existing T/P Sheet
New T/P Sheet
(The new T/P Sheet change has
CUSHION attached on it.)
(The new T/P Sheet change has
CUSHION attached on it.)
Existing
Touch
Panel
New
Touch
Panel
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Page 3 of 5
(2) Touch Panel Fitting Procedure
-
Following the UP-X300/X500 manual, disassemble a unit until
the TOUCH PANEL and T/P SHEET are removed.
the TOUCH PANEL and T/P SHEET are removed.
-
Attach the T/P SHEET first, and then the TOUCH PANEL in
alignment with the reference (Inner corner of the upper left RIB
shown in Figure 1 Upon attaching the T/P SHEET, please be
careful of the orientation of the sheet.
alignment with the reference (Inner corner of the upper left RIB
shown in Figure 1 Upon attaching the T/P SHEET, please be
careful of the orientation of the sheet.
If the touch panel is fitted incorrectly, the unit won't function.
(2) C258: Mount the VCKYCY1CB473K (0.047µF)
(There is a pattern for mounting this on the board.) See Fig 1
(There is a pattern for mounting this on the board.) See Fig 1
TOUCH PANEL
6mm
8mm
Reference
Reference
RIB
<Left side>
T/P SHEET
<Right side>
Figure 1
T/P Cushion facing
touch Panel
touch Panel
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Page 4 of 5
Note) when positioning the TOUCH PANEL and T/P SHEET, please make sure to
align both of them with the reference corner. Shown in Figure 1.
align both of them with the reference corner. Shown in Figure 1.
At this step, please be careful not to have the SILICON TUBE pinched as shown
in Figure 2.
in Figure 2.
Assemble the unit in reverse order from the disassembly.
Note: Please be careful not to omit connecting any connector, have any cable
pinched, or fail to attach any part.
pinched, or fail to attach any part.
The above measures should be taken individually when the problem arises.
Figure 2
Correct
Incorrect
Display