APPLICABLE TO: SONY
KDL-22 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
KDL-24 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
KDL-26 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
KDL-32 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
KDL-40 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
KDL-46 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
KDL-55 EX320, EX321, EX325, EX421, EX425, EX520 EX521, EX523, EX524, EX525;
SELF DIAGNOSIS FUNCTION
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 diagnostic items are displayed on the screen. If the screen displays a '0', no error has occurred.
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Standby LED flash time
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Service menu item
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Diagonostic item description
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2
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MAIN_POWE
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Main power over voltage protection.
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3
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DC_ALERT
AUD_PROT
|
DC_ALERT
Audio abnormal detection.
|
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4
|
BALANCER
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Not used
|
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5
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TCON_ERR
HFR_ERR
P_ID_ERR
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Not used
Not used
Panel ID NVM error.
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6
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BACKLITE
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Back light error [Panel inverter] or power Board error.
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7
|
TEMP_ERR
FAN_ERR
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Thermal error.
Fan error.
|
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8
|
--------
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Software error.
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|
9 to 12 blinks
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--------
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Not used
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- For errors with symptoms such as "Power sometimes shuts off" or "Screen sometimes goes out" that cannot be confirmed, it is not possible to bring up past occurrences or failure for confirmation on screen.
TO BRING-UP SCREEN TEST
- Press {Display => Channel-5 => Volume (-) => Tv Power}
TO ENTER INTO SERVICE MODE
- Press [Display => Channel-5 => Volume (+) => Tv Power]
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