14. RL2L : Lower 9bit of MID1 brightness correction
coefficient in R MID2.
--- Change according to RMID2 and RMID1 value.
15. RL3H : Upper 9bit of MAX brightness correction coefficient
in R MID1.
--- Change according to RMID1 and RMAX value.
(use it while adjusting 4 coefficient)
16. RL3L : Lower 9bit of MAX brightness correction coefficient
in R MID1.
--- Change according to RMID1 and RMAX value.
(use it while adjusting 4 coefficient)
<L Coefficient Calculation Method>
Using 3coefficient Level
Assume that the value of R/G/B MIN, MID2,MID1 is 192, 448,
704.
R/G/B MIN = 192
R/G/B MID2 = 448
R/G/B MID1 = 704
O
L Coefficient(RL1H~BL3L)
- Calculation method (L1)
- calcuate L2, L3 same with L1
17. GL1H : Upper 9bit of MID2 brightness correction
coefficient in G MIN.
--- Change according to GMIN and GMID2 value.
18. GL1L : Lower 9bit of MID2 brightness correction
coefficient in G MIN.
--- Change according to GMIN and GMID2 value.
19. GL2H : Upper 9bit of MID1 brightness correction
coefficient in G MID2.
--- Change according to GMID2 and GMID1 value.
20. GL2L : Lower 9bit of MID1 brightness correction
coefficient in G MID2.
--- Change according to GMID2 and GMID1 value.
21. GL3H : Upper 9bit of MAX brightness correction
coefficient in G MID1.
--- Change according to GMID1 and GMAX value.
(use it while adjusting 4 coefficient)
22. GL3L : Lower 9bit of MAX brightness correction coefficient
in G MID1.
--- Change according to GMID1 and GMAX value.
(use it while adjusting 4 coefficient)
23. BL1H : Upper 9bit of MID2 brightness correction
coefficient in B MIN.
--- Change according to BMIN and BMID2 value.
24. BL1L : Lower 9bit of MID2 brightness correction coefficient
in B MIN.
--- Change according to BMIN and BMID2 value.
25. BL2H : Upper 9bit of MID1 brightness correction
coefficient in B MID2.
--- Change according to BMID2 and BMID1 value.
26. BL2L : Lower 9bit of MID1 brightness correction coefficient
in B MID2.
--- Change according to BMID2 and BMID1 value.
27. BL3H : Upper 9bit of MAX brightness correction coefficient
in B MID1.
--- Change according to BMID1 and BMAX value.
(use it while adjusting 4 coefficient)
28. BL3L : Lower 9bit of MAX brightness correction coefficient
in B MID1.
--- Change according to BMID1 and BMAX value.
(use it while adjusting 4 coefficient)
29. RLMIN : Setting up the MINIUM Level of R --- Set under
200
30. RLMID2 : Setting up the MIDDLE 2nd Level of R ---Middle
level when 3coefficient
31. RLMID1 : Setting up the MIDDLE 1st Level of R --- Max
level when 3coefficient
32. RLMAX : Setting up the MAX Level of R
33. GLMIN : Setting up the MINIUM Level of G --- Set under
200
34. GLMID2 : Setting up the MIDDLE 2nd Level of G ---Middle
level when 3coefficient
35. GLMID1 : Setting up the MIDDLE 1st Level of G --- Max
level when 3coefficient
36. GLMAX : Setting up the MAX Level of G
37. BLMIN : Setting up the MINIUM Level of B --- Set under
200
38. BLMID2 : Setting up the MIDDLE 2nd Level of B --- Middle
level when 3coefficient
39. BLMID1 : Setting up the MIDDLE 1st Level of B --- Max
level when 3coefficient
40. BLMAX : Setting up the MAX Level of B
41. HVSCAN : Setting up the scan direction while adjusting
unifomity - Do not adjust
42. TestMode : uniformity adjustment test - Do not adjust
(4) Adjustment Sequence
1) Adjust the screen coordinates as shown below.
2) Output the VDP TEST PATTERN signal correspond to the
Max value.
Read the white coordinates and communicate 3 line with
ET7050 IC through measurement equipment of optics.
Adjust screen coordinates data to adjust the color
uniformity of max point.
At this time, make sure that deviation is +5~-5% and
standard is color coordinate of center.
3) Output the VDP TEST PATTERN signal correspond to the
MID value.
Read the white coordinates and communicate 3 line with
ET7050 IC through measurement equipment of optics.
Adjust screen coordinates data to adjust the color
uniformity of mid point.
At this time, make sure that deviation is +5~-5% and
standard is color coordinate of center.
- 18 -
L2 coefficient =1/(brightness level(MID1) - brightness level(MID2)
L3 coefficient = 1/(brightness level(MAX) - brightness level(MID1)
: case of 4 brightness Level
0 1 2 3 ............xx..........15 16
1
.
yy
.
11
12
<Screen division diagram for uniformity adjustment>
L1 coefficient = 1/(brightness level(MID2) - brightness level(MIN))
L1 coeff = 1/(448 - 192) = 1 / 256 =0.00390625
L1 coeff(hex) =hex(0.00393625 x 2
18
) =0 x 0400
-> L1H(high 9bit) = b’000000010
L1L(low 9bit) = b’000000000
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Summary of Contents for RT-44SZ50LP
Page 24: ... 24 5 General Control Signal All manuals and user guides at all guides com ...
Page 25: ...MEMO 25 All manuals and user guides at all guides com ...
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Page 47: ...Nov 2003 Printed in Korea P NO 3828VD0167B All manuals and user guides at all guides com ...
