Optoma EW615i, Service Manual, Page: 48 / 101

Confidential
4-
EX612/EX615/EW615i/EX612i/EX615i EX615i
4. HDMI Test (not for EX612/EX612i) 612i))
Procedure - Test equipment: DVD Player with HDMI output.
- Test signal: 720p, 1080p, 1080i
Inspection item - HDMI performance test.
Inspection Distance - 1.8 M ~2.5 M.
Criteria
- Ensure the image is well performed and the
color can not discolor.
- Check whether "mute" is normal.
5. Audio Test
Procedure - Test equipment: DVD Player
- Test signal: CVBS
Inspection item - Audio performance test
Inspection Distance - 1.8 M ~2.5 M
Criteria
- Check the sound from speakers
- Plug Audio cable into Audio in 1 port, check
whether "Volume" is normal.
- Plug Audio cable into Audio Out port, check
whether the outboard speaker’s “Volume” is
normal.
- Adjust the volume to "5→10" by using the
remote controller.
- Check the sound from speakers.
- Check whether the "mute" is normal.
Note: EX615 has 3 Audio.
In ports for different input signals. To test each
Audio In port, make sure input its correspondent
signal.