Ricoh Antares-PJ1 Series, Руководство по обслуживанию на месте

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PC Calibration
After replacing the main board or upgrading firmware, "PC Calibration" should be done.
Equipment Needed
• Test signal: 800 × 600@60Hz
• Test Pattern: White/Black
• The calibration pattern should be in full screen mode.
Procedure
1. Get into Service Mode.
2. Select "Analog Settings".
3. Execute "PC Calibration".
Inspection item
• Check if there are lines on the screen.
• Check if there is noise on the screen.
• Horizontal and vertical position of the video should be adjustable to the screen frame.
Criteria
• If there is noise on the screen, the product is considered as defective.
• The screen must appear normal, and there shouldn't be any abnormalities, such as lines.
• Check if the projected image is the same as displayed on the monitor.
Re-write lamp hours
After replacing the main board, adjust the lamp hours.
Write down the lamp hours before the replacement and put back the same value after replacing the
board.
1. Get into Service Mode.
2. Select "Other Settings".
3. Replacement and Adjustment
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