Read Sony XBR-52LX905 / XBR-60LX905 (serv.man3) Service Manual online
XBR-52LX905/60LX905
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
Diagnostic Item
Description
Number of times
Standby LED blinks
Possible Location
RGB_SEN
RGB Sensor ACK Error
NA
NA
MAIN_POWER
Main Power Over Voltage Protection
2
GE4B (Power) Board (XBR-52LX905 Only)
GE4A (Power) Board (XBR-60LX905 Only)
GE4A (Power) Board (XBR-60LX905 Only)
BUHS Board
DC_ALERT
DC Alert
DTT-WDT
DTT Error
AUD_PROT
Audio Error Detection
BALANCER
Panel Balancer Error
4
BUHS Board
TCON ERR
TCON Error
HFR ERR
HFR Error
P_ID_ERR
Panel ID NVM Error
BACKLITE
Backlight Error
6
BUHS Board
TEMP_ERR
Temperature Error
7
BUHS Board
FAN_ERR
Fan Error (Not Detected; Display Only)
NA
NA
3
5
BUHS Board
GE4B (Power) Board (XBR-52LX905 Only)
GE4A (Power) Board (XBR-60LX905 Only)
GE4A (Power) Board (XBR-60LX905 Only)
LCD Panel
TCON Control MT Board
BUHS Board
Self Diagnosis
Supported model
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