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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
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 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.
STBY LED
Flash time
Flash time
Service menu
Item name
(Screeen Display)
Diagnostic Item Description
2
MAIN_POWE
Main Power Over Voltage Protection
DC_ALERT
DC_ALERT
AUD_PROT
Audio Abnormal Detection
3
If the screen displays a “0”, no error has occurred .
DISPLAY OF STANDBY LED FLASH COUNT
_
HDMI_EQ
HDMI equalizer/switch I2C NACK
TU_DEMOD
Tuner or demodulator I2C NACK
4
-
Not used
HFR_ERR
HFR Error
TCON_ERR
T-CON Error
P ID ERR
Panel ID NVM Error
5
0.5
0 5
P_ID_ERR
Panel ID NVM Error
6
BACKLITE
LED driver protection
TEMP_ERR
Thermal Error
FAN_ERR
Not used
8
-
Software Error (Also the main board’s memory or Wi-Fi
module is a suspect)
module is a suspect)
7
0.5
3
SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for
fi
i
h
9
-
Not used
10
EMIT_ERR
Transmitter board not connected
11
-
Not used
12
-
Not used
confirmation on the screen:
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
10
KDL-32/40/46/55HX750,753,75A
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