Self Diagnosis Function - Sony KLV-40X450A Service Manual

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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
LED (Red) flashes
2 times
5 times
6 times
7 times
8 times
9 times
13 times
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.

SELF DIAGNOSIS FUNCTION

Monitoring Items
(Screen Display)
POW_ERR1 AAS Board IC2104
79pin: i_lb_err (AD port) < PW_ERR_LEV (Threshold Value)
and
138pin: i_ac_off_det: HIGH
T_CON FBA Board IC5501
1128Pin: TCON_RDY: Low
or
2Detected Error of Cayenne Register
BACKLITE FBA Board IC5501
78Pin: INV_FAIL: LOW
PANLTEMP FBA Board IC5501
IIC_ch2 setting value (BEM data)
AUD_PROT AAS Board IC2104
19pin: i_au_prot: Low
FAN_ERR FBA Board IC5501
pin154: FAN_ERR: High
BALANCER FBA Board IC5501
1163pin: BALANCER_ERR: LOW
or
2SPI_ERR_CNT (SetSREG) >= SPI_ERR_LIM (FactSREG)
[ FLASH COUNT ]
STANDBY LED
Digitized in Heiloo the Netherlands
Detection
2 times
4 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
Note: One flash counts is not self-diagnostic.
10/30/2018
LED OFF
2 sec.
KLV-40/46/55X450A (E, GE)
Not for sale!
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