Service manual

3
ViewSonic Corporation Confidential - Do Not Copy PJ513D-1
2.5.2 Clearly Focus Range 1.5~6 m(Spec. defined as item 2.6)
2.6 Focus
2.6.1 区 Pattern
(1)If pattern can be uniformly focused, pass!
(2)If not, check 2.6.2
2.6.2 Defocus and Flare
Defocus: R<=3.0; G<=2.5; B<=2.5 pixel
Flare: R<=4.0; G<=3.5; B<=3.5 pixel
Slight flare is not counted as flare.
2.6.3 Focus unbalance
Adjust focus from near to far until one corner clear, difference less than 70
cm@60”
Center of 49” diagonal
area
All other area
R-G <2/3 <1
G-B <2/3 <1
2.7 Lateral Color
R-B <1 <1
2.8 Image Quality
2.8.1 DMD Image Quality -
2.8.2 Image Imperfection -
2.8.3 Image Shadow or Blur
Procedure:
1. 54” (Diagonal at 2m, Wide) image size.
2. Default preset mode “ Dynamic”
3. Full white pattern to check the image.
Let the projector on the desk (don’t move it up/down or left/ right) and just
inspect the pattern.
4. Compare to the limit sample of OOB. If blur or shadow worse than OOB,
than NG
2.9 Dynamic Contrast Ratio (DCR)
1. When RGB value of content input is smaller than 20%, system will
automatically switch to Eco mode, if RGB value is greater than 60%, the
projector will back to Normal mode.
2. When DCR function turns on, lamp mode function is grayed out to
disable; when DCR function turns off, lamp mode would return to setting
value.
3.0 Mechanical Specification
3.1 Dimensions 263 x 218 x 108mm (L x W x H)
3.2 Weight 2.6Kgw ± 0.1Kgw
3.3 Security Slot Kensington compatible slot 150N break away force
3.5 Lens Cover Detached Lens Cover
3.6 Feet
Fast adjustable foot in front, Adjustable foot and Fixed foot in rear. foot
Tilt:0-6∘,right/left: +2.2∘/-0.5∘
4.0 Packaging
4.1 Outside Dimensions 370 x 186 x 297mm (L x W x H)
4.2 Weight 3.76Kgw ± 0.1Kgw (Including Accessories, Projector).