4.2 Verifying the Repair
After repairing projector (Dissembling and assembli ng projector), Repair center should verify
the quality of repaired unit.
(1) Check Logo
Check Logo is correct after power on projector.
(2) 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 Monitor In (VGA)
Test Equipment
Standard Pattern generator (Ex. Quantum data)
Signal format
1024*768 60Hz
I/O port Video
Test Equipment
Standard Pattern generator (Ex. Quantum data) or DVD player
Signal format
NTSC
I/O port S-Video
Test Equipment
Standard Pattern generator or DVD player
Signal format
480i
I/O port USB
ViewSonicCorporation Confidential - Do Not Copy PJD5112
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