Optoma EX765 Service Manual page 54

4. Audio Test
Procedure
Inspection item
Inspection Distance
Criteria
5. HDMI Test
Procedure
Inspection item
Inspection Distance
Criteria
- Test equipment: DVD Player
- Test signal: CVBS
- Audio performance test
- 1.8 M ~2.5 M
- Check the sound from speakers
- Plug Audio cable into Audio In port, check
whether "Volume" is normal.
- Plug Audio cable into Audio Out port, check
whether the outboard speaker�s "Volume" is normal. whether the outboard speaker�s "Volume" is normal. the outboard speaker�s "Volume" is normal.
- Adjust the volume to maximum by using the
remote controller.
- Check the sound from speakers.
- Check whether the "mute" is normal. whether the "mute" is normal. the "mute" is normal.
Note: There are 3 Audio In ports for different input signals.
To test each Audio In port, make sure input its
correspondent signal.
Audio In port
Audio In port 1
Audio In port 2
Audio In port 3
- Test equipment: DVD Player with HDMI output.
- Test signal: 480p, 720p, 1080i, 1080p 480p, 720p, 1080i, 1080p
- HDMI performance test.
- 1.8M ~2.0M.
- Ensure the image is well performed and the
color can not discolor.
EX765/EW766/EX765W/EW766W
Signal
DVI-D
VGA1-IN/SCART;
VGA2-IN
S-Video; Video
Confidential
4-10