Sharp LC-40LE730E, Service Manual

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LC-40LE730
LC-46LE730
6. White Balance Adjustment
7. White Balance Adjustment
Condition:

AV MODE=
Dynamic
(backlight at max.).

Select correct Inch setting (40”or 46”) in “INIT” menu.
 Adjustments reference device: Minolta CA-210

Adjustments target:
x=0.274, y=0.284
High: adjustments spec ±0.001, inspection spec: ±0.002
Low: adjustments spec ±0.002, inspection spec: ±0.004
1.
Press “▼” until selecting “GAMMA” option.
2. Press “OK”.
3. “GAMMA” menu appears.
4. Press “▼” until selecting “MGAMMA RESET”.
5. Press “►”, 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 “►” to enter “Internal Adjustments Pattern 1”.
9. Press “◄ ►” until you obtain the desired value.
10. Press “END” to return to previous menu.
11. Press “▼” until selecting “MGAMMA B1”.
12. Press “►” to enter “Internal Adjustments Pattern 1”.
13. Press “◄ ►” until you obtain the desired value.
14. Press “END” 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 “►” 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 “►” 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 “►” 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 “►” 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 “►” to enter “Internal Adjustments Pattern 6”.
29. Repeat from step 6 to 14 for the “MGAMMA R6” and “MGAMMA B6”.
30. Press “▼” until selecting “Commit”.
31. Press “►”, to save the new values.
NOTE:
For activating the W/B flag, only is necessary to send the order “Commit”. After this action, the
“W” W/B flag will change to “1”.