Sharp LC-40LE820E Service Manual page 46

LC-40/46/52LE820E (1st Edition)
Then, you can check the operation to see if the lamp and lamp circuit are in trouble.
If you fail boot-up, retry the procedure.
2) Resetting the lamp error count
After the lamp and lamp circuit are improved from a trouble, reset the lamp error count.
(Because the power cannot be turned on, if a lamp error is detected 5 consecutive times)
a) Enter the adjustment process mode, referring to "3. Entering and exiting the adjustment process mode."
b) Using the cursor ( / ) key, move to the cursor to [LAMP ERROR RESET], Line 8 on adjustment process mode service page 2/21.
c) With the cursor ( / ) keys, select the [LAMP ERROR RESET] value.
Finally press the cursor (OK)., the count is reset.
Check LAMP ERROR Count on adjustment process mode Page 2/21.
Table of contents of adjustment process mode Page 2/21
INDUSTRY INIT
INDUSTRY INIT (-Publicl)
Public MODE
Center Acutime
RESET
Backlight Acutime
RESET
LAMP ERROR RESET
ADJ PARAM SET
VIC XPOS
VIC YPOS
VIC SIGNAL TYPE
VIC READ
10. Public Mode
1. Starting the Public Mode
• There are two following ways to display the PUBLIC Mode setting screen.
1) Method of needing password
a) Turn off the power, refer to "3. Method of shuts down for Power supply"
b) While holding down the "INPUT" and "Volume (+)" keys on the set at once, touch the power supply key on the set.
Please separate the finger from the power supply key when boot-up is confirmed with lighting of a central icon etc.
After a while, value of Public Mode appears on the screen.
c) Display the Pass Word input screen.
Operation procedure
• The initial input position is the digit at the left end.
• For the numeric keys "0" to "9" of R/C, key input is accepted.
Input of the other keys is prohibited.
• Change "—" to " * " by inputting the numeric key at the input position, and shift the input position rightward one digit.
• When three digits are completely input, the Pass Word is judged.
d) Check the Pass Word by inputting three digits.
If the Pass Word "0" "2" "7", it shifts to the PUBLIC Mode setting screen.
In another case, the screen is erased, and it operates in the ordinary mode.
Enter
OFF
OFF
OFF
OFF
OFF
Enter
0
0
MAIN
OFF
Public Mode
Resetting to "0"
Public Mode
6 – 8
Public Mode