SONY KDL-40EX405 – KDL-46EX405 SERVICE MODE – LED BLINKING ERROR CODE AND CAUSES – FACTORY RESET – SOFTWARE UPDATE – WHITE BALANCE ADJUSTMENT – LCD TELEVISION REPAIR AND SERVICE

SONY KDL-40EX405 – KDL-46EX405 Service mode – LED Blinking error code and causes – Factory reset – software update – white balance adjustment – LCD television repair and service

Category: LCD Television Repair and Service 

Contents of this article 

• How to access service mode
• White balance adjustment
• Factory reset 

SONY KDL-40EX405 – KDL-46EX405 

ACCESSING SERVICE ADJUSTMENT MODE
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY > Channel 5 > Volume + > POWER

VIEWING THE SERVICE MENUS
Use the Remote Commander to view the Digital, Chassis and Sub Service Menus and their options.
3. To display the Service Menu that contains the Category you want to adjust, press JUMP or OPTIONS on the Remote Commander

USING THE REMOTE COMMANDER TO VIEW OR CHANGE SERVICE DATA
Use the buttons on the Remote Commander to access the Service
Menu items and adjust the Data Values.
DISPLAY > Channel 5 > Volume + > POWER
4. To change the Category, press 2 to move to the Next Category or press 5 to go back to the Previous Category.
Note: Pressing 2 or 5 only changes the Categories within the Service Menu displayed.
5. To change the adjustment item, press 1 to move to the Next Item or
4 to go back to the Previous Item.
6. To change the Data Value, press 3 to increase the Data Value or
6 to decrease the Data Value.
7. Press MUTING then press 0 to Write the changes.
8. To exit service mode, press HOME or turn the TV power off.

ADJUSTMENTS AFTER REPLACING THE BAL BOARD OR LCD PANEL
The following procedures must be completed after replacing the BAL Board or the LCD panel.
Update the TV to the latest software version
Select the Model
Select the Destination
Select the TV Color
Verify model and panel information are correct
Reconnect all cables
UPDATING THE SOFTWARE
After replacing the BAL Board or the LCD Panel, you must update the software to the latest version.
Before you begin
Disconnect all cables (RF, External input, Ethernet, etc.) from the TV
Instructions for updating the software are included with the software package. After completing the software update, proceed to “Selecting the Model”.

SELECTING THE MODEL
After replacing the BAL Board or LCD Panel, go into Service Mode to set the Model data value.
1. TV must be in standby mode. (Power off).
2. Access Service Mode. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY  > Channel 5 > Volume + > POWER
3. Display the DIGITAL Service Menu.
NOTE: There are 3 Service Menus for this model, DIGITAL, CHASSIS, and SUB. If the DIGITAL Service Menu is not displayed, press JUMP or OPTIONS on the Remote Commander.

4. Press 2 to move to the 002 MODEL (Next) category.

5. Using the table, press 3 to increase the data value or 6 to decrease the data value, to match the model of the TV

6. Proceed to “Selecting the Destination”.

SETTING THE DESTINATION
After replacing the BAL Board or the LCD Panel, the destination location must be set.
CAUTION: Selecting the incorrect destination may requiring replacing the BAL Board.

7. Press 1 to move to “001 DEST” sub Category.

8. Using the table, press 3 to increase the data value or 6 to decrease the data value, to select the destination of the TV.

CAUTION: Verify the DESTINATION is set correctly before proceeding to the next step. If another destination Data Value is selected, it may possibly corrupt the software which would require a BAL Board replacement.
9. Proceed to “Selecting the TV Color”. SELECTING THE TV COLOR Use the following instructions to set the color of the TV.
10. Press JUMP or OPTIONS until the SUB Service Menu displays.

11. Press 2 to until the “003 GAISO” Category displays.

12. Using the table, press 3 to increase the data value or 6 to decrease the data value, to select the color of the TV.

13. After verifying the correct TV color data value displays, press 0 to save (Write) the changes.
14. Exit Service Mode by pressing HOME or turn the TV power off.
15. Proceed to “Verifying the Model and Panel Information”.
VERIFYING THE MODEL AND PANEL INFORMATION
After saving the changes to the service data, verify the information.
1. TV must be in standby mode. (Power off).
2. Access Service Mode.
Press the following buttons on the Remote Commander within a second of each other:
DISPLAY > Channel 5 > Volume + > POWER
3. Display the DIGITAL Service Menu.
NOTE: There are 3 Service Menus for this model, DIGITAL, CHASSIS, and SUB. If the DIGITAL Service Menu is not displayed, press JUMP or OPTIONS on the Remote Commander.

4. Using the table, verify the Model ID and the Product ID match the information in the Service Menu.

5. Exit Service Mode by pressing HOME or turn the TV power off.
6. Proceed to “Reconnecting All Cables”.
RECONNECTING ALL CABLES
After completing the changes to service mode, reconnect all the cables (RF, External input, Ethernet, etc.) to the TV then verify the TV set picture. If necessary, proceed to “White Balance Adjustments”.

WHITE BALANCE ADJUSTMENTS
White Balance adjustment data is located on the Digital Service Menu.
1. TV must be in Standby Mode. (POWER off).
2. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY > Channel 5 > Volume + > POWER
NOTE: There are 3 Service Menus for this model, DIGITAL, CHASSIS, and SUB. If the DIGITAL Service Menu is not displayed, press JUMP or OPTIONS on the Remote Commander.
3. Press 2 to until the “006 WB” Category displays.

4. Press 0 to enter White Balance Adjustment mode.
5. To select the White Balance Adjustment setting that needs to
be changed, do the following:
a. To select R_DRV, press 1.
b. To select G_DRV, press 2.
c. To select B_DRV, press 3.
d. To select R_BKG, press 4.
e To select G_BKG, press 5.
f. To select B_BKG, press 6.
6. After selecting the White Balance setting, press ENT to display the edit screen.
The screen displays a “Please input WB items” message.

7. Using the numbers buttons on the remote, enter the Data Value for the White Balance setting (value must be between 1 and 255).
8. Press ENT to WRITE (save) the changes.
9. To exit White Balance Adjustment, press JUMP or OPTIONS
RESETTING THE TV TO FACTORY CONDITION
Use the following instructions to restore the User Adjustments and Channel Memory settings to the preset factory conditions.
1. While holding down the UP BUTTON on the Remote Commander, press the POWER button on the TV Switch Unit of the set. The set restarts and displays the Initial Setup screen. This may take several minutes.

RESETTING THE TV TO FACTORY CONDITION USING SERVICE MODE
1. TV must be in Standby Mode. (POWER off).
2. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY > Channel 5 > Volume + > POWER .
3. If necessary, press JUMP or OPTIONS to go to DIGITAL mode.
4. Press 8. “SERVICE” changes to green RST.
5. Press MUTING. RST executes the command and displays EXE.
6. Press 0 . EXE-RST displays green, then red indicating the TV is writing the data.
7. When the process is complete the green SERVICE text displays.

DIAGNOSTIC TEST INDICATORS
When an error occurs, the STANDBY LED will flash a set number of times to indicate the possible cause of the problem. If there is more than one error, the LED will identify the first of the problem areas. Result for all of the following diagnostic items are displayed on screen. If the screen displays a “0”, no error has occurred .

Diagnostic Item	Diagnostic Item Description	Number of times Standby LED blinks	Possible Location
RGB_SEN	RGB Sensor ACK Error	NA	NA
MAIN_POWER	Main Power Over Voltage Protection	2	G2LE (Power) Board (KDL-32EX305, KDL-32EX306 and KDL-32EX405 ONLY)
			G2HE (Power) Board (KDL-40EX405 and KDL-40EX406 ONLY)
			GD2 (Power) Board (KDL-46EX405 ONLY)
			BAL Board
DC_ALERT	DC Alert	3	BAL Board
DTT-WDT	DTT Error		G2LE (Power) Board (KDL-32EX305, KDL-32EX306 and KDL-32EX405 ONLY)
AUD_PROT	Audio Error Detection		G2HE (Power) Board (KDL-40EX405 and KDL-40EX406 ONLY)
			GD2 (Power) Board (KDL-46EX405 ONLY)
BALANCER	Panel Balancer Error	4	BAL Board
TCON ERR	TCON Error	5	LCD Panel
			TCON Control MT Board
HFR ERR	HFR Error		BAL Board
P_ID_ERR	Panel ID NVM Error
BACKLITE	Backlight Error	6	BAL Board
TEMP_ERR	Temperature Error	7	BAL Board
FAN_ERR	Fan Error (Not Detected; Display Only)	NA	NA

VIEWING THE SELF CHECK DIAGNOSTIC LIST

For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to
bring up past occurrences of a failure for confirmation on the Self Check diagnostic screen:
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY > Channel 5 > Volume - > POWER

CLEARING THE SELF CHECK DIAGNOSTIC LIST
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen after you have
completed the repairs to be sure you have cleared the result display to “0”.
1. Error history and Error count :Press the Channel 8 Channel 0 .
2. Panel operation time :Press the Channel 7 Channel 0 .
EXITING THE SELF CHECK DIAGNOSTIC SCREEN
1. To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV.