
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:
Содержание SX930
Страница 3: ...3 Update History Revision Chapter Changes Date Rev 00a Initial version 2015 9 21 ...
Страница 27: ...27 Remote Control Function and Key Code Definition Detail See Appendix2 ...
Страница 29: ...29 CTN LBL PRINTING 1 For 9H JEG77 15A Actual Date ...
Страница 30: ...30 3 For 9H JEG77 15E 15U Actual Date Actual Date ...
Страница 31: ...31 4 For 9H JEG77 15T Actual Date ...
Страница 32: ...32 SPEC LBL PRINTING 1 For 9H JEG77 15X exclude 9H JEG77 15C ...
Страница 33: ...33 2 For 9H JEG77 15E ...
Страница 34: ...34 LAMP LBL PRINTING ...
Страница 72: ...72 Page1 Page2 ...
Страница 73: ...73 Page3 Page4 ...
Страница 74: ...74 Page5 Page6 ...
Страница 75: ...75 Page7 ...
Страница 84: ...84 5 Level 2 Circuit Board and Standard Parts Replacement 5 1 Product ExplodedView Module 1 Total ExplodedView ...
Страница 85: ...85 ...
Страница 86: ...86 Module 2 ASSY UPPER CASE ...
Страница 87: ...87 Module 3 ASSY LOWER CASE ...
Страница 98: ...98 48 Disassemble the wire BST to MB 49 Disassemble the grounding wire 50 53 Disassemble the grounding wire ...
Страница 99: ...99 51 Disassemble the grounding wire 52 Disassemble EMI board 53 Disassemble the wire ESD board to PWR ...
Страница 100: ...100 54 Disassemble the BKT EMI BD 55 EMI BD 56 Disassemble the lamp box 57 61 Disassemble the stand off ...
Страница 102: ...102 63 Disassemble the wire dresser 64 Disassemble the sponge 65 Lower case ...
Страница 107: ...107 Fig 2 7 Fig 2 8 Fig 2 9 Fig 2 10 Fig 2 11 Fig 2 12 Sponge FM DTM FM Clip FM Paste Mylar Align Edge Clip FM2 ...
Страница 125: ...125 9 2 assemble 4 fan 9225 please notice the air flow directions 9 3 paste sponge on lamp fan ...
Страница 127: ...127 10 2 assemble the front case and plug the IR connector 10 3 assemble zoom focus ring Screw 1 ...
Страница 128: ...128 10 4 assemble the rear case 10 Assemble lamp module 8R0 screw 3 Stand off 8F VG564 8R0 ...
Страница 132: ...132 13 Paste the label of logo 14 Assemble RING FOCUS and lock well Fig 9 5 3A 1W801 001 ...
Страница 135: ...135 Chapter 1 System Analysis ...
Страница 144: ...144 ...
Страница 156: ...156 Appendix 3 Ceiling Mount Drawing ...