Read Sony KDL-22BX327 / KDL-32BX327 / KDL-32BX328 / KDL-32BX427 / KDL-40BX427 Service Manual online
KDL-22BX327/32BX327/32BX328/32BX427/40BX427
5
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 flash. The number
of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY LED flash 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 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 are displayed on screen.
If the screen displays a “0”, no error has occurred .
If the screen displays a “0”, no error has occurred .
Number of times
Standby LED blinks
Diagnostic Item
Possible Causes
Possible Location
2
MAIN_POWER
Main Power
Over Voltage Protection
GD8 Board (KDL-22BX327 Only)
G13 Board (KDL-32BX327/32BX328/32BX427 ONLY)
G14 Board (KDL-40BX427 Only)
DC_ALERT
Audio Error Detection
AUD_PROT
DTT Error
4
BALANCER_ERR
Panel Balancer Error
NA
TCON ERR
TCON Error
PANEL_ID_NVM_ERR
Panel Error
6
BACKLITE_Err
Backlight Error
LCD Panel
GD8 Board (KDL-22BX327 Only)
G13 Board (KDL-32BX327/32BX328/32BX427 ONLY)
G14 Board (KDL-40BX427 Only)
7
TEMP_ERR
Temperature Error
A Board
3
5
A Board
TCON Control MT Board
LVDS Connection
Self Diagnosis
Supported model
Click on the first or last page to see other KDL-22BX327 / KDL-32BX327 / KDL-32BX328 / KDL-32BX427 / KDL-40BX427 service manuals if exist.