Read Sony KDL-32NX650 / KDL-40NX650 Service Manual online
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.
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.
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.
STBY LED
Flash time
Flash time
Service menu
Item name
(Screeen Display)
Diagnostic Item Description
2
MAIN_POWE
Main 12 V failure
DC_ALERT
Main 5.0/3.3/1.2 V failure
AUD PROT
Audio amp protection
3
If the screen displays a “0”, no error has occurred .
DISPLAY OF STANDBY LED FLASH COUNT
AUD_PROT
Audio amp. protection
HDMI_EQ
HDMI equalizer/switch I2C NACK
TU_DEMOD
Tuner or demodulator I2C NACK
4
-
Not used
5
P_ID_ERR
Panel ID EEPROM I2C NACK (Also panel power failure
is a suspect)
0.5
0 5
6
BACKLITE
Backlight failure
TEMP_ERR
Over temperature protection
TEMP_ERR
Temp. sensor I2C NACK
8
-
Software Error (Also the main board’s memory or Wi-Fi
module is a suspect)
9
-
Not used
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
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
10
-
Not used
11
-
Not used
12
-
Not used
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
confirmation on the screen:
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:
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
16
KDL-32/40NX650
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