166
A.20 Ghost Contrast Ratio Test Procedure
Step1. Measure the brightness from the center of pattern
Step2. Measure the max brightness from the ghost image
Step3.
)
_
_
(
)
_
_
(
_
ghost
of
Max
Pattern
of
Center
L
L
ratio
Contrast
A.21 Center Position Shift (W-T) Test Procedure
Step1. Adjust zoom the WIDE and adjust the focus of center screen to the best and mark on the
center.
Step2. Adjust zoom the TELE and adjust the focus of center screen to the best and mark on the
center.
Step3. Measure the deviation of two center.
A.22 Full Dark Uniformity
Step1. Choose the full dark pattern and measure 13 points X,Y,Z.
Step2. Convert X,Y,Z to L,a,b
Step3.
2
2
2
)
2
1
(
)
2
1
(
)
2
1
(
b
b
a
a
L
L
E
A.23 WCE3 measurement limit condition
When input source pattern from White to Black or Black to White need wait 20 sec after to
measure WCE3 Contrast. The Diming Gain is xxx for measurement in production line.
A.24 Depth of Focus(DOF) Procedure
Procedure:
Step 1: Check specified screen sizes and zoom position (Wide)
Step 2: Get best focus image (best uniform) with Pattern1
Step 3: Use E pattern to check the depth of focus, move projector forward to close to the screen
and until E pattern became focus limit. Record the forward di) for the front depth of focus.
Or move projector backward to far away the screen and until E pattern became focus limit. Record
the backward distance(-) for the rear depth of focus.
A.25 Focus Drift and Thermal Reliability Test
A.25.1 Lens Focus (Thermal) Drift Test:
1. Purpose: To Verify Projection Lens Focus Stability with Projector Burn-in Process
2. Test Procedure:
Summary of Contents for SX930
Page 3: ...3 Update History Revision Chapter Changes Date Rev 00a Initial version 2015 9 21 ...
Page 27: ...27 Remote Control Function and Key Code Definition Detail See Appendix2 ...
Page 29: ...29 CTN LBL PRINTING 1 For 9H JEG77 15A Actual Date ...
Page 30: ...30 3 For 9H JEG77 15E 15U Actual Date Actual Date ...
Page 31: ...31 4 For 9H JEG77 15T Actual Date ...
Page 32: ...32 SPEC LBL PRINTING 1 For 9H JEG77 15X exclude 9H JEG77 15C ...
Page 33: ...33 2 For 9H JEG77 15E ...
Page 34: ...34 LAMP LBL PRINTING ...
Page 72: ...72 Page1 Page2 ...
Page 73: ...73 Page3 Page4 ...
Page 74: ...74 Page5 Page6 ...
Page 75: ...75 Page7 ...
Page 85: ...85 ...
Page 86: ...86 Module 2 ASSY UPPER CASE ...
Page 87: ...87 Module 3 ASSY LOWER CASE ...
Page 102: ...102 63 Disassemble the wire dresser 64 Disassemble the sponge 65 Lower case ...
Page 128: ...128 10 4 assemble the rear case 10 Assemble lamp module 8R0 screw 3 Stand off 8F VG564 8R0 ...
Page 132: ...132 13 Paste the label of logo 14 Assemble RING FOCUS and lock well Fig 9 5 3A 1W801 001 ...
Page 135: ...135 Chapter 1 System Analysis ...
Page 144: ...144 ...
