Self Diagnosis Function - Sony KDL-40Z4500 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.
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
6 times
7 times
8 times
9 times
10 times
11 times
12 times
13 times
14 times
15 times
16 times
17 times
18 times
19 times
20 times
21 times
22 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.
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SELF DIAGNOSIS FUNCTION

Monitoring Items
DC_DET
PANEL_DET
TEMPERATURE
AUDIO
HFR
DEF
NVM
I2C
BALANCER
HDMI
TUNER
I2C CH1
I2C CH0
DIGITAL DEMOD
USB
CI
VCT
MSP
STANDBY
LED
Diagnostic Item Description
Main Supply Voltage (12V) Error.
Panel detect Error.
monitor an Increase of an Inside-temperature.
Audio error (SP protect).
High Frame Rate Error.
DEF (Digital Front End module) Error.
EEPROM Error (not read/write availble).
VCT I2C Bus Error.
Panel Balance Error.
HDCP cannot be setup correctly.
If circuit of PLL circuit do not respond to I2C commands.
I2C CH1Error in MOUTON.
I2C CH0 Error in MOUTON.
No Acknowledge detected.
USB over current detected.
CI Error
No DPI-I2C
MSP3410G IC does not respond to I2C commands.
2 sec
KDL-40/46/52Z4500 (CH) 6