Panasonic UB-T880 / UB-T880W Service Manual ▷ View online
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7 MAINTENANCE
7.1.
Maintenance Table
The following table lists the symptoms that may result when they need to replaced, cleaned, or serviced.
Note:
Before performing the maintenance, turn off the elite Panaboard.
7.2.
Cleaning the elite Panaboard
Gently wipe the elite Panaboard with a soft, moist cloth.
Note:
• The elite Panaboard is designed exclusively for projector images.
To remove marks written with a whiteboard marker or stubborn stains, use whiteboard cleaner or
neutral household detergent diluted with water.
• Do not use thinner, benzene, or abrasive chemicals to clean.
(Doing so can result in discoloration.)
To remove marks written with a whiteboard marker or stubborn stains, use whiteboard cleaner or
neutral household detergent diluted with water.
• Do not use thinner, benzene, or abrasive chemicals to clean.
(Doing so can result in discoloration.)
Item
Symptom
Type of
Maintenance
Reference
Screen Board
The surface of the Screen Board becomes dirty.
Clean
See 7.2.
Penpoint (Electronic Pen)
The penpoint of the Electronic Pen becomes worn.
Replace
See 7.3.
Battery (in Electronic Pen)
The Electronic Pen’s status LED blinks.
Replace
See 7.4.
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7.3.
Replacing the Penpoint of the Electronic Pen
As the penpoint of the electronic pen becomes worn, the penpoint will no longer slide easily across the surface.
Continuing to use the electronic pen in this condition may make the screen dirty and cause malfunction.
Replace the penpoint with a new one as soon as possible.
Continuing to use the electronic pen in this condition may make the screen dirty and cause malfunction.
Replace the penpoint with a new one as soon as possible.
1. Remove the Penpoint Cover.
2. Replace the old penpoint with a new one.
3. Reattach the Penpoint Cover.
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7.4.
Replacing the Battery in the Electronic Pen
When the Electronic Pen battery is low, the pen status LED blinks. Continued use of the electronic pen can lead to poor
performance. Replace the battery as soon as possible.
performance. Replace the battery as soon as possible.
1. Unlock the battery cover (1), and then remove the cover (2).
2. Replace the old battery with a new one, and then reattach the
cover.
cover.
Note:
• Make sure to use a AAA alkaline battery, and ensure that
+ and - face the correct directions.
• Dispose of expired batteries quickly, by covering the
terminals in tape and following the disposal regulations in
your country/area.
+ and - face the correct directions.
• Dispose of expired batteries quickly, by covering the
terminals in tape and following the disposal regulations in
your country/area.
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8 DISASSEMBLY INSTRUCTIONS
8.1.
Disassembly Flowchart
The following flowcharts indicate disassembly sequence for the Exterior, Unit Components,
and Circuit Board assemblies.
When reassembling, perform the steps in the reverse order unless otherwise instructed
in the Reassembling Notes.
and Circuit Board assemblies.
When reassembling, perform the steps in the reverse order unless otherwise instructed
in the Reassembling Notes.
Note: Disassembly flowchart explanation
* This sample flowchart shows that, to disassemble C, the procedures 1 and 2 must be performed first before
proceeding to the procedure 3
proceeding to the procedure 3
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