Optoma H27 Service Manual page 32

- Remote Controller
Test Signal : Any
Test Pattern : Any
* Cover Front IR Receiver up first and then test the remote controller.
* Cover Rear IR Receiver up first and then test the remote controller.
- Projection Mode
Test Signal : Any
Test Pattern : Any
* Test all projection modes to ensure the displays are normal or not.
- Aspect Ratio (4:3/16:9/1:1/Letterbox)
Test Signal : Any
Test Pattern : Any
* Please check and see if it's in normal condition.
* If not, please return the unit to repair area.
- Check for Secondary Display Modes
Test Signal :
* 640x350 (70Hz, 31.5KHz/85Hz, 37.9KHz)
* 640x400 (85Hz, 37.9KHz)
* 640x480 (60Hz, 31.5KHz/72Hz, 37.9KHz/75Hz, 37.5KHz/85Hz, 43.3KHz)
* 720x400 (70Hz, 31.5KHz/85Hz, 37.9KHz)
* 800x600 (56Hz, 35.2KHz/60Hz, 37.9KHz/72Hz, 48.1KHz/75Hz, 46.9KHz/85Hz,
53.7KHz)
* 1024x768 (60Hz, 48.4KHz/70Hz, 56.5KHz/75Hz, 60.0KHz/85Hz, 68.7KHz)
* 1152x864 (70Hz, 63.8KHz)
* 1280x1024 (60Hz, 63.98KHz)
* 832x624 (74.55Hz, 49.725KHz)
* 1024x768 (75Hz, 60.24KHz)
* 1152x870 (75.06Hz, 68.68KHz)
* 640x480 (60Hz, 31.35KHz)
* 1024x768 (75Hz, 60KHz)
* 1152x870 (75Hz, 68.49KHz)
Normally when the primary mode 854x480@60Hz is well adjusted and complaint with the
specification, then the secondary display modes will be great possibility to be complaint with
the specification. But we still have to check with general test pattern to make sure every
secondary modes is complaint with specification.
4-8
H27