Self Diagnosis Function - Sony KLV-40W300A Service Manual

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.
1-1. 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 LED
2 times
3 times
5 times
6 times
7 times
8 times
9 times
10 times
13 times
1-2. DISPLAY OF STANDBY LED FLASH COUNT
1-3. 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 lamp from flashing.
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(Red) flashes
POW OVP
POW ERR1
T_CON
BACKLITE
TEMP ERR
AUD PROT
FAN_ERR
DTT ERR
BALANCER
STANDBY
INDICATOR

SELF DIAGNOSIS FUNCTION

Monitoring Items
(Screen Display)
[ FLASH COUNT ]
LED ON 0.3 sec.
LED OFF 0.3 sec.
Note: One flash counts is not self-diagnostic.
Diagnostic Item Description
Main Power Over Voltage Protection
Power Error
T_CON Error
Back Light Error (Panel Inverter)
Temperature Abnormal Detection
Audio Abnormal Detection
FAN Error (Not Detected. Display Only)
DTAU Power
Panel Balancer Error
2 times
4 times
5 times
LED OFF
3 sec.
KLV-40/46/52W300A (CH) 6