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Manuals
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Acer Manuals
Projector
PD721
Service manual
Acer PD721 Service Manual page 35
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Also See for PD721
User manual
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38 pages
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Contents
Table of Contents
Troubleshooting
Bookmarks
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Start
Is LED
No
Check power cord
indicator OK?
Yes
No
Change
Is Fan working?
Yes
Can hear the
No
Is Lamp lit?
sound of lamp
Yes
Lamp Module
End
Yes
& input power
voltage
No
Supply AC
Power
No
Change
Thermal BD
DC-DC
No
Change
Ballast
ignition
Yes
Reassembly
Replace
No
Lamp Module
No
Lamp Replacement
Cover assembly
OK?
Yes
No
Change
Change
Ballast
DC-DC
Change
No
Fan Module
No
No
Change
Main BD
Reassembly lamp
Replacement Cover
No
Change
Main BD
Change
No
Change
Thermal
DC-DC
BD
Table of
Contents
Previous
Page
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Page
1
...
32
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35
36
37
38
39
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Troubleshooting
Chapter 4 Troubleshooting
33
Main Procedure
34
Performance Troubleshooting
36
Function Troubleshooting
37
Audio Troubleshooting
38
Also See for Acer PD721
Acer PD721 User Manual
38 pages
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