How
to enter Service Mode – Hotel Mode – Lamp Reset – Firmware Upgrade - Error Codes - Lamp Error Detection - Sharp LC65RX1H - Sharp LC65RX1X - LCD TVs
1 Press the “POWER” key on the set of running TV set to force off the power.
2 While holding down the “VOL (-)” and “TV/VIDEO” keys on the set at once, press the “POWER” key on the set to turn on the power. The letter “K” appears on the screen.
3 Next, hold down the “VOL (-)” and “CH ( )” keys on the set at once. Multiple lines of character string appearing on the screen indicate that the set is now in the adjustment Process mode. If you fail to enter the adjustment process mode (the display is the same as normal startup), retry the procedure. (Another procedure)
4 Press the “MENU” key on the main unit to display OSD.
5 Move the cursor to SERVICE (OSD) using the cursor keys on the remote control. Then press the “MENU” key on the remote control to enter the service mode (adjustment process mode).
6 To exit the adjustment process mode after the adjustment is done, unplug the AC power cord to force off the power. (When the power is turned off with the remote controller, once unplug the AC power cord and plug it in again. In this case, wait 10 seconds or so before plugging.)
[Use due care in handling
the information described here lest the users should know how to enter the
adjustment process mode. If the settings are tampered with in this mode,
unrecoverable system damage may result.]
Remote controller key operation and
description of display in adjustment process mode.
> CH (/) - CH (Up /Dn ):
Moving an item (line) by one (UP/DOWN)
> VOL (+/-): VOL (+/-): Changing a selected item setting (+1/-1)
> Cursor (Up /Dn ) : Turning a page (PREVIOUS / NEXT)
> Cursor (L /R ): Changing a selected line setting (+10/-10)
> TV/VIDEO on remote controller:
Input source switching (toggle switching) (TV→EXT1~8)
> RETURN: Returning to a present page.
> ENTER: Executing a
function.
Input mode is switched automatically when relevant adjustment is
started so far as the necessary input signal is available.
Description of display
Lamp error detection
Function
This LCD color TV set incorporates a lamp error detection feature that automatically turns off the power for safety under abnormal lamp or lamp circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error detection feature is activated for some reason, the following will result.
* The power is interrupted in about 6 seconds after it is turned on. (The power LED on the front of the TV set turns red from green and keeps blinking in red: ON for 250 ms and OFF for 1 sec.).
* If the above phenomenon 1) occurs 5 times consecutively, it becomes impossible to turn on the power. (The power LED remained red).
Function
This LCD color TV set incorporates a lamp error detection feature that automatically turns off the power for safety under abnormal lamp or lamp circuit conditions. If by any chance anything is wrong with the lamp or lamp circuit or if the lamp error detection feature is activated for some reason, the following will result.
* The power is interrupted in about 6 seconds after it is turned on. (The power LED on the front of the TV set turns red from green and keeps blinking in red: ON for 250 ms and OFF for 1 sec.).
* If the above phenomenon 1) occurs 5 times consecutively, it becomes impossible to turn on the power. (The power LED remained red).
Measures
Checking with lamp error detection OFF
Enter the adjustment process mode, referring to 1. Entering and exiting the adjustment process mode. If there is a problem with the lamp or lamp circuit, the lamp will go out. (The power LED is green.) Then, you can check the operation to see if the lamp and lamp circuit are in trouble.
Resetting the lamp error count
After the lamp and lamp circuit are found out of trouble, reset the lamp error count. If a lamp error is detected five consecutive times, the power cannot be turned on. Using the cursor (UP/DOWN) key, move to the cursor to [LAMP ERROR RESET], Line 8 on adjustment process mode service page 2/33. With the cursor (LEFT/RIGHT) keys, select the [LAMP ERROR RESET] value. Finally press the cursor (ENTER) keys to reset the value to “0”.
Checking with lamp error detection OFF
Enter the adjustment process mode, referring to 1. Entering and exiting the adjustment process mode. If there is a problem with the lamp or lamp circuit, the lamp will go out. (The power LED is green.) Then, you can check the operation to see if the lamp and lamp circuit are in trouble.
Resetting the lamp error count
After the lamp and lamp circuit are found out of trouble, reset the lamp error count. If a lamp error is detected five consecutive times, the power cannot be turned on. Using the cursor (UP/DOWN) key, move to the cursor to [LAMP ERROR RESET], Line 8 on adjustment process mode service page 2/33. With the cursor (LEFT/RIGHT) keys, select the [LAMP ERROR RESET] value. Finally press the cursor (ENTER) keys to reset the value to “0”.
STANDBY CAUSE FUNCTIONS
This model is equipped with a STANDBY CAUSE FUNCTIONS which stores the cause of why the unit is turned off and displays it on adjustment process mode.
NORMAL STANDBY CAUSE
ERROR CODE here indicates cause of standby in normal operation or Function of the Unit.
No display when the unit is turned off with R/C.
Only the latest cause is indicated.
ERROR STANDBY CAUSE
ERROR CODE here indicates cause of Error in the unit.
It also indicates accumulated operating times of the unit.
The last five histories are displayed.
1)-5) five histories 1) is the latest.
When there is no error, error code is ‘0’ and no characters appear.
This model is equipped with a STANDBY CAUSE FUNCTIONS which stores the cause of why the unit is turned off and displays it on adjustment process mode.
NORMAL STANDBY CAUSE
ERROR CODE here indicates cause of standby in normal operation or Function of the Unit.
No display when the unit is turned off with R/C.
Only the latest cause is indicated.
ERROR STANDBY CAUSE
ERROR CODE here indicates cause of Error in the unit.
It also indicates accumulated operating times of the unit.
The last five histories are displayed.
1)-5) five histories 1) is the latest.
When there is no error, error code is ‘0’ and no characters appear.
MONITOR ERROR CAUSE
When the monitor micom detects an error, ERROR CODE is displayed.
The number of flashing Power LED and OPC LED indicates location of error detected.
This number stores the latest four contents of the error. ‘0’ is displayed when no error.
When the monitor micom detects an error, ERROR CODE is displayed.
The number of flashing Power LED and OPC LED indicates location of error detected.
This number stores the latest four contents of the error. ‘0’ is displayed when no error.
Public Mode (Hotel Mode)
1. Starting the Public Mode
There are two following ways to display the PUBLIC Mode setting screen.
1 On the process adjustment mode screen (2/32), set the “HOTEL MODE” Flag to ON. Turn off the power, and turn it on again, pressing the and keys of the main unit at the same time.
2 Enter the Pass Word, and start the unit.
a Turn on the power, pressing the and keys of the main unit at the same time.
b Display the Pass Word input screen.
1. Starting the Public Mode
There are two following ways to display the PUBLIC Mode setting screen.
1 On the process adjustment mode screen (2/32), set the “HOTEL MODE” Flag to ON. Turn off the power, and turn it on again, pressing the and keys of the main unit at the same time.
2 Enter the Pass Word, and start the unit.
a Turn on the power, pressing the and keys of the main unit at the same time.
b Display the Pass Word input screen.
Operation procedure
The initial input position is the digit at the left end.
For the numeric keys to 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.
c Check the Pass Word by inputting three digits.
If the Pass Word is[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.
The initial input position is the digit at the left end.
For the numeric keys to 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.
c Check the Pass Word by inputting three digits.
If the Pass Word is[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.
Exiting the Public Mode screen
There are two following ways to exit the Public Mode setting screen.
1 Turn off the power.
2 Select “Execution” in the PUBLIC_Mode to execute it. Activate the restart under the set content. Here, the START input SOURCE setting is excluded since this item is referred to only when the power is turned on.
3. Set value of the Public Mode
Each set value in the PUBLIC Mode is initialized when the factory setting is applied. (The setting of the PUBLIC MODE Flag in the process adjustment mode screen is not changed.)
There are two following ways to exit the Public Mode setting screen.
1 Turn off the power.
2 Select “Execution” in the PUBLIC_Mode to execute it. Activate the restart under the set content. Here, the START input SOURCE setting is excluded since this item is referred to only when the power is turned on.
3. Set value of the Public Mode
Each set value in the PUBLIC Mode is initialized when the factory setting is applied. (The setting of the PUBLIC MODE Flag in the process adjustment mode screen is not changed.)
Basic operation in the Public Mode
> Volume +/- or Cursor L/R:
Change or execution of the set value.
> Channel Up/Dn or Cursor Up /Dn: Movement to the selected item.
> Decision (ENTER): Execution
(Used by the items “Execution” and “RESET”.
> PUBLIC Mode R/C: Ordinary
operation mode: It enters the PUBLIC Mode.
PUBLIC MODE Flag is set to “ON”.
> PUBLIC Mode: It exits the PUBLIC Mode. PUBLIC MODE Flag does not
change. Any set item in PUBLIC Mode is
not initialized.
Operation after “RESET”
Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation).
The set contents in the PUBLIC mode are initialized.
It does not exit the PUBLIC mode.
PUBLIC MODE Flag does not change. (It is not set to OFF.)
Select “RESET” in the PUBLIC Mode, and it operates as follows when it is executed (refer to the basic operation).
The set contents in the PUBLIC mode are initialized.
It does not exit the PUBLIC mode.
PUBLIC MODE Flag does not change. (It is not set to OFF.)
Upgrading the software
> Turn off the AC power (Unplug the AC power cord).
> Insert the upgrading USB flash memory for upgrade into the service slot.
> While holding down the power button, plug in the AC power cord of the main unit to turn on the power.
> Upgrade begins automatically. After the set starts, the upgrade screen appears.
> Turn off the AC power (Unplug the AC power cord).
> Insert the upgrading USB flash memory for upgrade into the service slot.
> While holding down the power button, plug in the AC power cord of the main unit to turn on the power.
> Upgrade begins automatically. After the set starts, the upgrade screen appears.
If any of the procedures fails, the following upgrade failure
screen shows up. For the failing procedure, the “NG” marking turns red. NOTE: In such case, try to upgrade the
software again. If it still fails, the hardware may be in trouble.
> When all the procedures are complete, the following upgrade
success screen shows up. The new software version can be confirmed on screen. The version number appears when each item has been successfully upgraded.
Finally the main version number appears on screen.
> Turn off the AC power (Unplug the AC power cord). Take out the
upgrading USB flash memory.
Now the software has been upgraded.
NOTE: Then get the set started and call the process adjustment screen 1/32 to check the main software version.
CAUTION
1 Do not take out and put in the USB flash memory during formatting.
2 It takes about one minute to the rewriting completion.
Confirm the upgrade status on the screen becomes 100%.
Now the software has been upgraded.
NOTE: Then get the set started and call the process adjustment screen 1/32 to check the main software version.
CAUTION
1 Do not take out and put in the USB flash memory during formatting.
2 It takes about one minute to the rewriting completion.
Confirm the upgrade status on the screen becomes 100%.
[A normal user is not supposed to do any repair work to the circuit part of this set; as it need sophisticated testing equipments, and proper knowledge to follow. Contact any experienced service technician; or the authorized service centre for Sharp, in case any such incident occurs.]
