Optoma EX550 - Verifying the Repair

31
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 (SVGA/XGA)
Test Equipment Standard Pattern generator (Ex. Quantum data)
Signal format 800*600 60Hz for ES550/ES551
1024*768 60Hz for EX550/EX551
I/O port Audio input
Test Equipment Connect audio input to audio output from video equipment
Signal format 480i
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(ES551/EX551 only)
Test Equipment HDMI source device (DVD player)