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4.2 Verifying the Repair
After repairing projector (Dissembling and assembling projector), Repair center should verify
the quality of repaired unit.
(1) Signal test (Each I/O can function normally)
Connect all connector to the jacks one after the other to check whether each channel can
project normally
I/O port VGA In (XGA/WXGA)
Test Equipment Standard Pattern generator (Ex. Quantum data)
Signal format EX631: 1024*768 60Hz
EW631: 1280*800 60Hz
I/O port Audio input
Test Equipment Connect audio input to audio output from video equipment
Signal format NTSC
I/O port Video input
Test Equipment Video source device
Signal format NTSC
I/O port S-Video input
Test Equipment S-Video source device
Signal format NTSC
I/O port HDMI
Test Equipment HDMI source device (DVD player)
Signal format 720P
I/O port LAN
Test Equipment Connect PC
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