SONY LCD - KDL-32EX500_KDL-37EX500_KDL-40EX500_KDL-46EX500_KDL-55EX500 _ SERVICE MODE_BLINKING CODES_ Self Diagnosis Function & OTHER DETAILS

KDL-32EX500_KDL-37EX500_KDL-40EX500_KDL-46EX500_KDL-55EX500 [Applicable to all KDL-EX models]

SELF DIAGNOSIS

• The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash.
• The number of times the LED flashes translates to a probable source of the problem.
• If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur.

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.

STBY LED Flash time	Service menu Item name (Screen Display)	Diagnostic Item Description
2	MAIN_POWE	Main Power Over Voltage Protection
3	DC_ALERT DTT_WDT AUD_PROT	DC_ALERT DTT Error Audio Abnormal Detection
4	BALANCER	Panel Balancer Error
5	TCON_ERR HFR_ERR P_ID_ERR	TCON_ERROR HFR Error Panel ID NVM Error
6	BACKLITE	Back Light Error (Panel Inverter)
7	TEMP_ERR FAN_ERR	Thermal Error FAN Error (Not Detected.  DisplayOnly)
8,9,10,11,12	NOT USED	NOT USED
---- --- ---	RGB_SEN	RGB Sensor ACK Error

SELF DIAGNOSTIC SCREEN DISPLAY

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 failure for confirmation on the screen:

To Bring Up Screen Test: In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:

DISPLAY -> CHANNEL 5 -> VOLUME (-) -> TV POWER

Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen.  After you have completed the repairs, clear the result display to “0”.

Clearing the Self Check Diagnostic List

•  Error history and Error count :     Press the Channel 8 => Channel 0 .
•  Panel operation time :                  Press the Channel 7 => Channel 0 .

Exiting the Self-diagnostic screen

• 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.

TO ENTER SERVICE MODE

• Turn on the main power switch to place this set in standby mode.
• Press the buttons on the remote commander as follows, and entering service mode.

DISPLAY -> CHANNEL 5 -> VOLUME (+) -> TV POWER

SERVICE MODE DISPLAY

• First of all, when you enter Service Mode, you can see “Digital” service mode.
• Whenever you press “OPTIONS” or “JUMP” on remote, each service mode is changed. “Digital” -> “Chassis” -> “Sub”

WHITE BALANCE ADJUSTMENT

1. Change Data of “Digital” service mode. (“006 WB” category)
2. Press “0” or “10” on remote to enter WB adjustment mode.
3. Press number key “1”~”6” directly. “*” stamp move.
4. Press “12 / enter / select” to decide and advance next step.  When returning on the previous page, press “return”.
5. Change data by number key “0”~”9” directly. (0-255)
6. Press “12 / enter / select” to save data.
7. It shows red “WRITE”. It indicate writing is processing.
8. Writing process is done at this point.

TO SAVE CHANG DATA

• Change Data of “Chassis” or “Sub” service mode
• Write data for “Chassis” or “Sub” service mode
•  Press “Mute” on remote.  It shows green “SERVICE” changes to green “WRITE”.
•  Press “0” or “enter” on remote. Green “WRITE” changes to red “WRITE”. It indicate writing is processing.
• After a while, red “WRITE” changes to green “SERVICE”. Writing process is done at this point. 
• TV reboot is necessary for applying data change.

CHANGE DATA

Note: “Digital” service mode don’t have to Save. (except “002 MODEL” category)

Change Data of “Digital” service mode. (except “003 DIG_SRV_MODE” category)

1. Press “2 / 5” on remote to select (up / down) category.
2. Press “1 / 4” on remote to select (up / down) Item.
3. Press “0 / 10” on remote to select item.

Change Data of “Digital” service mode. ( “003 DIG_SRV_MODE” category) “003 DIG_SRV_MODE” is one category of “Digital” service mode.

Note because this operation is special.

1. Press “2 / 5” on remote to select “003 DIG_SRV_MODE”.
2. Press “1 / 4” on remote to select (up / down) Item.
3. Press “0 / 10” on remote to select item.
4. Press number key “1”~”9” directly. “*” stamp move.
5. Press “12 / enter / select” to decide and advance next step. Press “return”, when returning on the previous page.

Write data for “Digital” service mode. ( “002 MODEL” category)

Note: This procedure operation, when replaced the B board.

Note: Do not write a wrong segment or destination information in Product ID.

When the wrong setting is written, TV may not operate.

• 000 SEG * * *Product ID - segment information
• 001 DEST * * * Product ID – destination information
• Change data for each model.
•  Press “0” or “enter” on remote.  It shows red “WRITE”. It indicates writing is processing.
• Writing process is done at this point.

SET TO SHIPPING CONDITION

 Move to “Digital” service mode.

• Press “8” on remote.  It shows green “SERVICE” changes to green “RST-”.
• Press “mute” on remote.  Added green “EXE” after green “RST-” .
• Press “0” or “enter” on remote. Green “EXE-RST” changes to red “EXE-RST”. It indicates writing is processing.
• After a while, red “EXE-RST” changes to green “SERVICE”.
• And all LED lights.
• Writing process is done at this point.

AN OTHER WAY IS

• Without entering Service Mode. -> “Cursor Up” on remote + “Power Key” on Front panel.