Read Sony KDL-46EX400 / KDL-46EX401 Service Manual online
KDL-46EX400/46EX401
8
SELF DIAGNOSIS FUNCTIONS
SELF DIAGNOSIS FUNCTION
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to
fl
ash. The number
of times the LED
fl
ashes translates to a probable source of the problem. A de
fi
nition of the STANDBY LED
fl
ash indicators is listed in the
instruction manual for the user’s knowledge and reference. 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
fl
ash 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
fi
rst 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
Description
Number of times Standby
LED blinks
Possible Location
Main Power Error
2
GD2 (Power) Board
Audio Error
3
A (Main) Board
Balancer
4
LCD Panel
TCON Error
5
LCD Panel
TCON Control MT Board
HFR Error
5
LCD Panel
Backlight Error
6
LCD Panel
Temperature Error
7
A (Main) Board
Self Diagnosis
Supported model
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