Zenith D52WLCD Series Service Manual page 33

H coefficient = 1/(number of pixel intervals between setting in the horizontal
direction)
Hcoeff = 1/((1280/16)-1) = 0.012658227
hex(0.012658227 x 2 ) = 0 x 033D, Hcoeff(hex) = 0 x 033D + 1 = 0 X 33E
16
9. KVH : Upper 2byte of vertical line correction coefficient --
Change according to CSVP, CEVP value.
10. KVL : Upper 2byte of vertical line correction coefficient --
Change according to CSVP, CEVP value.
V Coefficient(KVH, KVL)
O
--> Calculation method (CEVP-CSVP=720, Vertical seg-
ment value =12)
V coefficient = 1/(number of pixel intervals between setting in the horizontal
direction)
Vcoeff = 1/((720/12)-1) = 0.016949152
hex(0.016949152 x 2 16 ) = 0 x 0456, Vcoeff(hex) = 0 x 0456 + 1 = 0 X 0457
11. RL1H : Upper 9bit of MID2 brightness correction coeffi-
cient in R MIN.
--- Change according to RMIN and RMID2 value.
12. RL1L : Lower 9bit of MID2 brightness correction coeffi-
cient in R MIN.
--- Change according to RMIN and RMID2 value.
13. RL2H : Upper 9bit of MID1 brightness correction coeffi-
cient in R MID2.
--- Change according to RMID2 and RMID1 value.
14. RL2L : Lower 9bit of MID1 brightness correction coeffi-
cient in R MID2.
--- Change according to RMID2 and RMID1 value.
15. RL3H : Upper 9bit of MAX brightness correction coeffi-
cient in R MID1.
--- Change according to RMID1 and RMAX value.
(use it while adjusting 4 coefficient)
16. RL3L : Lower 9bit of MAX brightness correction coeffi-
cient 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
L Coefficient(RL1H~BL3L)
O
--> Calculation method (L1)
L1 coefficient = 1 / (brightness level(MID2) - brightness level(MIN)
L1coeff = 1 / (448-192) = 1 / 256 = 0.00390625
L1coeff(hex) = hex(0.00390625 x 2
--> L1H(high 9bit) = b'000000010 L1L(low 9bit) = b'000000000
ADJUSTMENT INSTRUCTIONS
18 ) = 0 x 0400
- calcuate L2, L3 same with L1
L2 coefficient = 1 / (brightness level(MID1) - brightness level(MID2)
L3 coefficient = 1 / (brightness level(MAX) - brightness level(MID1)
: case of 4 Brightness Level
17. GL1H : Upper 9bit of MID2 brightness correction coeffi-
cient in G MIN.
--- Change according to GMIN and GMID2 value.
18. GL1L : Lower 9bit of MID2 brightness correction coeffi-
cient in G MIN.
--- Change according to GMIN and GMID2 value.
19. GL2H : Upper 9bit of MID1 brightness correction coeffi-
cient in G MID2.
--- Change according to GMID2 and GMID1 value.
20. GL2L : Lower 9bit of MID1 brightness correction coeffi-
cient in G MID2.
--- Change according to GMID2 and GMID1 value.
21. GL3H : Upper 9bit of MAX brightness correction coeffi-
cient in G MID1.
--- Change according to GMID1 and GMAX value.
(use it while adjusting 4 coefficient)
22. GL3L : Lower 9bit of MAX brightness correction coeffi-
cient in G MID1.
--- Change according to GMID1 and GMAX value.
(use it while adjusting 4 coefficient)
23. BL1H : Upper 9bit of MID2 brightness correction coeffi-
cient in B MIN.
--- Change according to BMIN and BMID2 value.
24. BL1L : Lower 9bit of MID2 brightness correction coeffi-
cient in B MIN.
--- Change according to BMIN and BMID2 value.
25. BL2H : Upper 9bit of MID1 brightness correction coeffi-
cient in B MID2.
--- Change according to BMID2 and BMID1 value.
26. BL2L : Lower 9bit of MID1 brightness correction coeffi-
cient in B MID2.
--- Change according to BMID2 and BMID1 value.
27. BL3H : Upper 9bit of MAX brightness correction coeffi-
cient 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
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