KDL-40X4000, KDL-46X4000, KDL-52X4000 - Sony TV Service Manual (repair manual). Page 7

Read Sony KDL-40X4000 / KDL-46X4000 / KDL-52X4000 Service Manual online

KDL-40/46/52X4000 (K)     6
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 .
Number of times STANDBY
Monitoring Items
Diagnostic item Description
LED (Red) flashes
(Screen Display)
2 times
DC_DET
Main Supply Voltage Trouble
3 times
DC_ALERT1
D3.3V or THH3.3V Trouble
5 times
DC_ALERT3
PANEL 12V Trouble
6 times
BACKLIGHT
Backlight Trouble
7 times
TEMPERATURE
Monitor an Increase of an Inside-Temperature
8 times
AUDIO
Audio Trouble
10 times
FE
Digital FE Module Trouble
13 times
BALANCER
Panel Balancer Trouble
14 times
TCON_RDY
T-CON Trouble
DISPLAY OF STANDBY LIGHT FLASH COUNT
STOPPING THE STANDBY FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY LED for flashing.
2 times
4 times
5 times
LED ON  0.3 sec.
LED OFF 0.3 sec.
LED OFF
2 sec. 
[ FLASH COUNT ]
Note: One flash counts is not self-diagnostic.
STANDBY LED
Page of 54
Display

Click on the first or last page to see other KDL-40X4000 / KDL-46X4000 / KDL-52X4000 service manuals if exist.