Sharp LC-39LE750E, Service Manual

Page: 42 / 166

42
LC-39/50LE750
LC-39/50LE751
LC-39/50LE752
6. White Balance Adjustment
Condition:
● AV MODE= Dynamic (backlight at max.).
● Select correct Inch setting (39”,50” or 60”) in “Inch setting” menu.
● Adjustments reference device: Minolta CA-210
● Adjustments target: x=0.266, y=0.282
High: adjustments spec ±0.001, inspection spec: ±0.002
Low: adjustments spec ±0.002, inspection spec: ±0.004
1. Press “ ◄ / ► ” until selecting “White Balance” option.
2. Press “ OK ”.
3. “GAMMA” menu appears.
4. Press “
◄ / ► ” until selecting “MGAMMA RESET”.
5. Press “ OK ”, to restore default values.
6. Hold the default value for “MGAMMA G1”. (Note: next, try to get the (x, y) adjustments target, changing
“MGAMMA R1” and “MGAMMA B1” as follow).
7. Press “ ◄ / ► ” until selecting “MGAMMA R1”.
8. Press “ OK ” to enter “Internal Adjustments Pattern 1”.
9. Press “ ◄ / ► ” until you obtain the desired value.
10. Press “
6
” to return to previous menu.
11. Press “ ◄ / ► ” until selecting “MGAMMA B1”.
12. Press “ OK ” to enter “Internal Adjustments Pattern 1”.
13. Press “ ◄ / ► ” until you obtain the desired value.
14. Press “
6
” to return to previous menu.
(Note: In case of not being possible to achieve the desired (x, y) target, try to get it by changing also the
“MGAMMA G1”)
15. Press “ ◄ / ► ” until selecting “MGAMMA R2”.
16. Press “ OK ” to enter “Internal Adjustments Pattern 2”.
17. Repeat from step 6 to 14 for the “MGAMMA R2” and “MGAMMA B2”.
18. Press “
◄ / ► ” until selecting “MGAMMA R3”.
19. Press “ OK ” to enter “Internal Adjustments Pattern 3”.
20. Repeat from step 6 to 14 for the “MGAMMA R3” and “MGAMMA B3”.
21. Press “
◄ / ► ” until selecting “MGAMMA R4”.
22. Press “ OK ” to enter “Internal Adjustments Pattern 4”.
23. Repeat from step 6 to 14 for the “MGAMMA R4” and “MGAMMA B4”.
24. Press “
◄ / ► ” until selecting “MGAMMA R5”.
25. Press “ OK ” to enter “Internal Adjustments Pattern 5”.
26. Repeat from step 6 to 14 for the “MGAMMA R5” and “MGAMMA B5”.
27. Press “
◄ / ► ” until selecting “MGAMMA R6”.
28. Press “ OK ” to enter “Internal Adjustments Pattern 6”.
29. Repeat from step 6 to 14 for the “MGAMMA R6” and “MGAMMA B6”.
30. Press “
◄ / ► ” until selecting “MGAMMACommit”.
31. Press “ OK ”, to save the new values.
NOTE:
For activating the W/B fl ag, only is necessary to send the order “Commit”. After this action, the “W” W/B fl ag will change
to “1”.