Sanyo PDG-DSU20N Service Manual page 37

(2) Operation test
Buttons operation
Button description
Power button
Menu
4-way button
Source
Resync
Foot adjuster operation
Foot adjuster.
Foot adjuster button
Zoom ring and Focus ring
Ring
Zoom ring
Focus ring
PDG-SU20
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press "power" button and projector will switch on
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button.
2. Press Menu button can make projector function normally.
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the 4-way button.
2. Press 4-way button can be used to scroll through OSD (On-
Screen Display) menus and make adjustments.
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press Source button manually selects an input source
1.Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2.Press Resync button automatically adjusts frequency and phase
Foot adjusters should stretch downward smoothly by pressing the foot
adjuster buttons on the two sides
Mechanical motion of rotating Zoom ring to the end of right and left by
hand should be free from getting stuck.
The feeling of rotating Focus ring to the end of right and left by hand
should free from seizing
Test criteria
Test criteria
Test criteria
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