Self Diagnosis Function - Sony KDL-46XBR10 Service Manual

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 defi 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 .
[DISPLAY UNIT]
Diagnostic Item Detection
Main Power Error
DC_ALERT1
Inverter Error
Internal Temperature Error
Audio Error
FRC Error
TCON Error
Wireless Error
[MEDIA RECEIVER (MBT-W5)]
Diagnostic Item Detection
Main Power Error
5V/3.3V DC Error
BRORA DC Error
Internal Temperature Error
Audio Error
Fan Error
Digital FE/BE Error
Wireless Error
RF Module Error

SELF DIAGNOSIS FUNCTION

Number of times
POWER/STANDBY
LED lamp fl ashes
2 times
3 times
6 times
7 times
8 times
12 times
14 times
16 times
Number of times
POWER/STANDBY
LED lamp fl ashes
2 times
3 times
5 times
7 times
8 times
9 times
10 times
16 times
17 times
Possible Location
GD1 Board, QTM Board
GD1 Board, QTM Board
LCD Panel, QTM Board
QTM Board, LCD Panel
GD1 Board, QTM Board
LCD Panel, QTM Board
LCD Panel, QTM Board
Wireless Module
Possible Location
GB2 Board, BUB Board
BUB Board
Wireless Module, BUB Board
BUB Board
BUB Board
Not used in these models
BUB Board
Wireless Module, BUB Board
H3B Board, BUB Board
KDL-46/52XBR10 (UC) 5