Video Performance - Optoma PK201 Service Manual

4-7 Video Performance

Note: Plug JACK-M to 3*RCA-F R/W/Y cable into the AV-IN port of
projector, the CVBS signal and Audio signal will be inputted.Then
turn the sound of DVD player down.the signal test is as follows.
1. ECO/Bright Mode Function Test
Turn on the projector, get into service mode then press ''Left''/''Right''
button on remote control to check if Bright mode/ECO mode
exchange normally.
2. CVBS
Procedure
Inspection item
Inspection Distance
Criteria
3. Audio Test
Procedure
Inspection item
Inspection Distance
Criteria
- Test equipment: DVD player
- Test signal: CVBS
- Video performance test
- 0.8 M ~1.0 M
- Check any abnormal color, line distortion or any
noise on the screen.
- Check the sound from speaker.
- Test equipment: DVD player
- Test signal: CVBS
- Audio performance test
- 0.8 M ~1.0 M
- Check the sound from speaker
- Press ''Up'' button of the projector to
modulate the volume to 18, then press "down"
button to modulate the volume to 15, check
whether the volume is normal.
AUDIO Signal Cable
PK201 Confidential
AV-IN Port
CBVS Signal Cable
Motion video
4-6