Sanyo PDG-DSU20B, Service Manual

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PDG-SU20 36
(4) Resolution
I/O port
SVGA
Test Equipment PC
Test Method
1. Rotate Zoom ring to wide mode (Maximum projected image)
2. Fix projector to set diagonal length of projected image to 60”.
3. Adjust focus ring to make resolution of 4 corners and center
are balanced.
4. Check he characters should be recognized easily.
5. Rotate Zoom ring to tele mode (Minimum projected image)
6. Adjust focus ring to make resolution of 4 corners and center
are balanced.
7. Check the characters should be recognized easily.
(5) Front and Rear infrared sensor
Device
Front and Rear infrared
Test Equipment
Remote controller
Test method 1. Cover front sensor and operate remote controller to test rear
sensor
2. Cover rear sensor and operate remote controller to test front
sensor
(6) Brightness measurements
Test items
Brightness measurements
Test Equipment Chroma automatic system (The alternative is CL-200)
Test method Measure 9 points
Criteria Marketing spec 20% off