S
ERVICE
M
ANUAL
8 - 6
EzPro730 0.7*1 DMD SVGA Micro Portable Projector
1) Hi-Pot Test :
Hi-Pot Specification : 1.5KVAC, 10mA, 2 seconds.
2) Noise Test :
Incline 30
o
to the left and right to check whether there is strange noise.
3) Function Test I :
(a). Connect PC, Video, S-Video, Audio signal and extension speaker with EP730.
(b). Press source button to switch to PC signal.
u
Make sure the image is normal.
(c). Press Pip button on the remote controller.
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Make sure the video signal appears on PC signal.
(d). Press Pip button to cancel Pip function.
(e). Press source button to switch to Video signal.
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Make sure the image is normal.
(f). Press source button to switch to S-Video signal.
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Make sure the image is normal.
(g). Press Menu button for 4 times to enter Audio Function OSD.
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Select Volume function and make sure the function works normally.
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Select Mute function and make sure the function works normally.
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Select Stereo/Mono function and make sure the function works normally.
(h). Disconnect the extension speaker.
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Make sure the internal speaker works normally.
4) Function Test II :
(a). Connect PC signal with EP730.
1
Fine Line Morie Pattern :
- Make sure the noise can be eliminated by Tracking function.
- If there is line bar appearing, make sure it can be eliminated by Frequency
function.
1
Boundary Frame Pattern :
- Make sure the boundary can be displayed.
1
Press Menu button to enter Display Function OSD :
- Make sure Keystone function works properly.
8-4 Inspection Procedure
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