Saturday, September 26, 2015

TOSHIBA LED TV LC-40LE732E - LC-46LE732E SERVICE MODE MAIN POWER AND LED POWER SUPPLY

TOSHIBA LED TV LC-40LE732E - LC-46LE732

3D LED TV

SERVICE MODE MAIN POWER AND LED POWER SUPPLY 

SERVICE ADJUSTMENTS
1. Adjustment method after PWB and/or IC replacement due to repair The unit is set to the optimum performance at the time of shipment from the factory. If any value should become improper or any adjustment is necessary due to the part replacement, make an adjustment according to the following procedure.
Procure the following units in order to replace the main unit:
MAIN UNIT DUNTKF915WExx
NOTE: [Caution when replacing ICs in the main unit (IC0503)]
Before replacing the relevant part, procure the following parts in which the data have been rewritten.
Ref.
Description
Parts code IC + data
Description new IC code for service
IC0503
PC EDID
RH-IXD456WJZZY
VHIR24002AS-1Y AND DATA LC4xLE73x_PC_EDID

How to Enter and exit the adjustment process mode.
1. By key-unit.
1. Unplug the AC power cord, plug the AC power cord and wait until pyramid led blue is iluminated and then.
2. Press and hold “V-” and “INPUT (AV)” keys, simultaneously.
3. “K” appears on the screen.
4. Press and hold “V-” and “P-” keys, simultaneously.
5. “SHARP FACTORY MENU” appears.

6. Unplug the AC power cord to exit of adjustments process.
2. By own R/C
1. Turn on the TV set.
2. Press “9”, ”9”, ”9”, “2”, “2”, “2” (to enter this code the time is limited to 5 sec. approx.)
3. “SHARP FACTORY MENU” appears.

4. Press “OK” on lines 5 TO 11 to go to submenu.
5. Press “END” to return to main menu.
6. Press “MENU” to exit of adjustments mode.
Remote control key operation and description of display in adjustment process mode
key operation
Remote control key
Keyboard unit
Function
Cursor (/ )

P (UP/DOWN)

Moving an item (line) by one (up/down) on “Sharp Factory Menu”
or submenus.
OK

INPUT (AV)

Selecting a submenu on lines 5 to 12 of “Sharp Factory Menu” or
executing a function.
Cursor (/)
V (+/-)
Changing a selected item setting value.
MENU
MENU
Exit of adjustment mode.


Return to “Sharp Factory Menu” from a submenu.

The required input mode should be switched previously to enter the Service Mode.
CAUTION: 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.
Initialization to factory setting
Caution: When the factory settings haves been made, all user setting data, including the channel settings, are initialized.
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 INIT.
3. Press OK key.
4. INIT menu appears and “Factory init” option is selected.
5. Press “
” and select the option desired (EURO/RUSSIA/NORDIC/UK/EAST EUROPE).
6. Press OK key and initialization starts.
7. WEST EURO OK message appears for EURO option when the setting is complete.
RUSSIA OK message appears for EURO option when the setting is complete.
NORDIC OK message appears for RUSSIA option when the setting is complete.
UK OK message appears for UK option when the setting is complete.
EAST EUROPE OK message appears when the setting is complete.
Note: Never turn the power off during initialization.
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.
SMART LOADER
Description.
The Smartloader is a function implemented in the service software of SEES designed L730 series intended to easily replicate the user settings of one TV into another. These settings include (but not restricted to): picture and audio, tuning set-up, language and country selection, PIN, child locked programs… Factory adjustments are not copied as they
are different for every TV.
The Smartloader makes possible the user data to be stored in a memory device connected to the USB terminal of the TV that is used as reference and later load those data into other TVs by using their respective USB terminal.
How it works.
In reference TV:
1. Insert a memory device in the USB slot.
2. Enter in service mode, select Factory Menu and SMARTLOADER option.
3. Select “Save settings to USB” and press the RIGHT cursor in the remote control.
4. Wait until “OK” is displayed, the file has been successfully created in the root directory of the memory device.
In case of error, an explanation message is shown.
In TV to be cloned:
1. Insert a memory device with a file in it obtained following the above procedure.
2. Enter in service mode, select Factory Menu and SMARTLOADER option.
3. Select “Load settings from USB” and press the RIGHT button in the remote control.
4. After some seconds, “OK, reboot TV set” is displayed. In case of error, an explanation message is shown.
5. As indicated, reboot the TV to load the new settings.
Very important: All the TVs must have the same software version and hardware.
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 line 8 [PUBLIC MODE].
Method 2:
Unplug the AC power cord.
Plug the AC power cord. When the LED light blue, press “VOL+” and “INPUT(AV)” 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.
Public Mode Settings
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 <> 60]
Is possible to set the maximum volume at limited level.
3. VOLUME FIXED [VARIABLE <> FIXED]
Is possible to fix the sound volume at limited level.
When “FIXED” is selected the sound volume before limited is fixed.
4. VOLUME FIXED LEVEL [0 <> 60]
If “FIXED” has been selected, is possible to set a fixed 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 [On <> Off]
If “OFF” has been selected, the On Screen Display does not appear.
9. INPUT MODE START [ DTV > ATV > AV > SCART-AV > COMPONENTS > PC-RGB > HDMI1 > HDMI2 > HDMI3 > HDMI4 ]
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 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.
11. INPUT TV MODE PROGRAM NUMBER [1-999]
When any other item than “NORMAL”, i.e. number, has been selected, and “INPUT MODE START” option is
set to “TV”, the sets will start in the selected service / program number at the next power-on.
12. RC PATH THROUGH [ON <> OFF]
When ON and RS-232 circuitry is really assembled , in pin #9 of RS-232 socket appears a feedback of the remote signal (3.3v logic type).
13. HOTEL MODE [ON <> OFF]
If ON has been selected the HOTEL MODE is activated.
14. RESET
Cancel all Public Mode settings. (It returns to the factory settings)
15. COMMIT
Press OK to select this item, or press cursor RIGHT / LEFT keys on the remote control to apply the change. If “YES” is selected the change will be stored and the TV set will be reset.
SOFTWARE UPGRADING
Main Unit Software Upgrading (USB)
Introduction

In order to proceed with the Software Updating do not enter into Service Mode.
Procedure
1. Insert the USB memory into a side USB terminal with the file name “zTVApp_Complete.zimage” on the root directory.
2. Once detected the USB it will appear on screen the following request:
3. Press “” until selecting “Yes”.
4. Press “OK”.
The software update process starts.
“Software upgrading progress **%” message appears.
NOTE: During the upgrading process, do not power-off the TV set.
Once finished the process the following success or failed message appears.
5. Remove the USB Drive.
6. Press OK to reset the TV.
7. In case of failure, please repeat the upgrade process again.
POWER SUPPLY CIRCUIT 
MAIN POWER 

LED POWER (LED DRIVE) 
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