Sony KDL-32BX350 / KDL-40BX450 Service Manual ▷ View online
KDL-32BX350/40BX450(SP/AUS/AF/GA)
9
SELF DIAGNOSIS FUNCTION
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.
If the screen displays a “0”, no error has occurred .
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.
STBY LED
Flash time
Service menu Item name
(Screen Display)
Diagnostic Item Description
2
MAIN_POWER
Main Power Over Voltage Protection
DC_ALERT1
DC_ALERT
AUDIO_PROT
Audio Abnorm al Detection
4
BALANCER_ERR
Balancer Error
TCON_ERR
Detect TCON_RDY
PANEL_ID__NVM_ERR
Panel ID NVM Error
6
BACKLIGHT_ERR
Back Light Error (Panel Inverter)
7
TEMP_ERR
Therm al Error
8
-
Not us ed
9
-
Not us ed
10
-
Not us ed
11
-
Not us ed
12
-
Not us ed
3
5
0.5
0.5
3
DISPLAY OF STANDBY LED FLASH COUNT
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
confirmation on the screen:
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:
[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:
5
*
: Note that this differs from entering the service mode (volume +)
*
Info
TV POWER
Channel
Volume
KDL-32BX350/40BX450(SP/AUS/AF/GA)
10
SELF CHECK
BACK
<<
002 MAIN_POWER
000
003 DC_ALERT1
000
003 AUDIO_PROT
000
004 BALANCER_ERR
000
005 TCON_ERR
000
005 PANEL_ID_NVM_ERR
000
006 BACKLIGHT_ERR
000
007 TEMP_ERR
000
12345‐67891‐23456
[Home] Exit
SELF DIAGNOSIS FUNCTION
[SELF DIAGNOSTIC SCREEN DISPLAY]
Error count
Item name
STBY LED flash time
Total operation time by hour
Boot count
Panel operation time by hour
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen.
After you have completed the repairs, clear the result display to “0”.
After you have completed the repairs, clear the result display to “0”.
Clearing the Self Check Diagnostic List
1. Error history and Error count :
Press the Channel 8 => Channel 0 .
2. Panel operation time :
Press the Channel 7 => Channel 0 .
Exiting the Self-diagnostic screen
To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV.
To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV.
KDL-32BX350/40BX450(SP/AUS/AF/GA)
11
1. Disassemble of the Bottom frame from the Rear cover (Three screws)
SERVICE POSITION
As for this model, the stands are attached the rear cover side.
Therefore assemble the stand assy to the main unit according to the following procedure when performing adjustment and operation check after the part replacement.
Therefore assemble the stand assy to the main unit according to the following procedure when performing adjustment and operation check after the part replacement.
<32 inch>
2. Assemble of the Bottom frame to LCD panel (Three screws)
3. Assemble of the Stand to main unit (Three screws)
KDL-32BX350/40BX450(SP/AUS/AF/GA)
12
1. Disassemble of the Bottom frame from the Rear cover (Three screws)
SERVICE POSITION
<40 inch>
2. Assemble of the Bottom frame to LCD panel (Three screws)
3. Assemble of the Stand to main unit (Three screws)
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