Sony LCD TV KDL-40Z4500 - KDL-46Z4500 - KDL-52Z4500_SELF DIAGNOSIS FUNCTION_LED blinking codes.
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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 is displayed on screen. If the screen displays a “0”, no error has occurred.
BLINKING CODES
DISPLAY OF STANDBY LIGHT FLASH COUNT & STOPPING THE STANDBY FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY LED for flashing.
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: Note that this differes from entering the service mode (Volume + )
Press buttons on the remote control in this series [INFO > NUMBER BUTTON (5) > VOLUME (-ve) > TV STANDBY].
SELF-DIAGNOSTIC SCREEN DISPLAY
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 result display
To clear the result display to “0”, press button on the remote commander sequentially as shown below when the diagnostic screen is being displayed.
Deletion of Error Count and Error History
Press (8) button > Press (0) button.
Deletion of Panel Operation Time
Press (7) button > Press (0) button
Quitting Self-diagnostic screen
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.