DOWNLOAD Sharp LC-39LE751EK (serv.man3) Service Manual ↓ Size: 21.94 MB | Pages: 127 in PDF or view online for FREE

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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”.

Caution: When the factory settings have been made, all user setting data, including the channel settings, are initial-
ized.

The adjustments done in the adjustment process mode are not initialized. Keep this in mind when initializing these 
settings.

1. Enter in Service mode.
2. Press “◄” or “►” key until selecting “Factory Init”.
3. Press OK key twice.
4. Turn off the TV set.
5. When turns on again, the TV restarts in “Initial Installation” menu.

The following settings will be back to their factory ones:

• User settings
• Channel data (e.g. broadcast frequencies)
• Maker option setting
• Password data

 

8.1. How to Enter in the Public Mode (Hotel Mode).
There are two following ways to display the Public Mode setting screen.

Method 1:
Turn on the power and enter in the Service mode as usual and select [PUBLIC MODE].

Method 2:
Unplug the AC power cord.
Plug the AC power cord. When the LED light blue, press “VOL+” and “INPUT” keys at the same time.
Then, when you are asked for the password, enter “0027”.
After this sequence the TV will turn on showing the Public Mode setting screen. In another case, the screen is 
erased, and it operates in the ordinary mode.

1.  POWER ON FIXED [VARIABLE ↔ FIXED]

When it is set to “FIXED” the TV is impossible to be switch off by Main Switch or Remote Control.

2.  MAXIMUM VOLUME [0  ↔ 100]

Is possible to set the maximum volume at limited level

3.  VOLUME FIXED [VARIABLE ↔ FIXED]

Is possible to fi x the sound volume at limited level.
When “FIXED” is selected the sound volume before limited is fi xed.

4.  VOLUME FIXED LEVEL [0 ↔ 100]

If “FIXED” has been selected, is possible to set a fi xed volume at the level that is chosen.

5.  RC BUTTON [RESPOND ↔ NO RESPOND]

If “NO RESPOND” is selected, the remote control keys are inoperative.

6.  PANEL BUTTON [RESPOND ↔ NO RESPOND]

If “NO RESPOND” has been selected, the set’s keys remain deactivated (Except POWER key).

 7. MENU BUTTON [RESPOND ↔ NO RESPOND]

If “NO RESPOND” has been selected, “MENU” key, of remote control, is inoperative.

 8.  ON SCREEN DISPLAY [Yes ↔ No]

If “OFF” has been selected, the On Screen Display does not appear.

  9.  INPUT MODE START [ NORMAL → ATV → DTV→ HDMI1 → HDMI2 → HDMI3 → HDMI4 → SCART-AV 
→ VIDEO  → PC IN  → COMPONENTS ]
When any other item than “NORMAL” has been selected, the sets will start in a selected input mode at the 
next power-on.

10. INPUT TV MODE PROGRAM NUMBER [1-999]

If value is “0”, TV should start in the last program number selected by user if in the previous control ATV / DTV 
is selected, this is the normal user TV behavior. If value is different from “0”, TV should starts in the specifi ed 
program number when it is switched on.

 11. INPUT MODE FIXED [VARIABLE↔ FIXED]

“FIXED” has been selected, any channels and input modes other than those selected at the start mode cannot 
be picked up.