Inspection Procedure - Optoma H27 Service Manual

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Inspection Procedure

- Factory Reset
Please press "Power", "
engineering mode, and then choose "Factory Reset" then choose "YES" and press enter to see
if it works.
This action will allow you to erase all end-user's settings and restore the original setting.
- Firmware Version
Test Signal : None
Test Pattern : Service Mode
* Check and see if the firmware version is suited to the projector.
- Frequency and Tracking
Test Signal : 854x480@60Hz
Test Pattern : Line Moire Pattern
* Check and see if image sharpness and focus is well performed.
* If not, readjust by following steps.
(1)
(2)
- Boundary
Test Signal : 854x480@60Hz
Test Pattern : Boundary Frame
* Adjust Resync or Frequency/Tracking/H. Position/V. Position to the inner of the screen.
- Focus
Test Signal : 854x480@60Hz
Test Pattern : Text Pattern
* Adjust the center clearly, meanwhile, one slightly vague corner in the image is allowed
- HDTV
Equipment : Quantum Data 802B or CHROMA 2327
Test Signal : 576P, 720P, 1080i
Test Pattern : Master
If the test result was discoloration or flickering, please adjust Video Calibration first.
Notice :
", " ", "Menu" on the projector control panel to enter the
Select "Frequency" function to adjust the total pixel number of pixel clock in one
line period.
Then select "Tracking" function and use right or left arrow key to adjust the value
to minimize video flicker.
(1) Please ignore the image flickering under 480P signal.
(2) Video Calibration :
Test Signal : 480P
Test Pattern : SMPTE Bar
- Enter the engineering mode and choose "Color setting"
- Choose "Reset offset"
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