Sony KDL-22BX325 / KDL-32BX325 / KDL-32BX425 / KDL-40BX425 Service Manual ▷ View online
KDL-22BX325/32BX325/32BX425/40BX425
5
SELF DIAGNOSIS FUNCTIONS
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 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 .
Self Diagnosis
Supported model
Number of times
Standby LED blinks Diagnostic Item
Possible Causes
Possible Location
NA
RGB_SEN
RGB Sensor ACK Error
NA
2
MAIN_POWER
Main Power
Over Voltage Protection
LIPS22 Board (KDL-22BX325 Only)
GT32 Board (KDL-32BX325/32BX425 Only)
GT40 Board (KDL-40BX425 Only)
AUD_PROT
Audio Error Detection
DC_ALERT
DTT Error
4
BALANCER
Panel Balancer Error
NA
TCON ERR
TCON Error
HFR ERR
HFR Error
P_ID_ERR
Panel ID NVM Error
PANEL_POWE
Panel Error
6
BACKLITE
Backlight Error
LCD Panel
LIPS22 Board (KDL-22BX325 Only)
GT32 Board (KDL-32BX325/32BX425 Only)
GT40 Board (KDL-40BX425 Only)
7
TEMP_ERR
Temperature Error
A Board
3
5
A Board
TCON Control MT Board
LVDS Connection
KDL-22BX325/32BX325/32BX425/40BX425
6
SELF DIAGNOSIS FUNCTIONS
STANDBY LED FLASH COUNT
Elem
(IR) Infrared
Receiver
Receiver
Picture Off/
Timer LED
Timer LED
Standby LED
Power LED
2 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
LED OFF 0.3 sec.
LED OFF
3 sec.
KDL-22BX325/32BX325/32BX425/40BX425
7
SELF DIAGNOSIS FUNCTIONS
VIEWING THE SELF CHECK DIAGNOSTIC LIST
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 a failure for confirmation on the Self Check diagnostic screen:
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY
Channel
5
Volume
-
POWER
.
* NOTE: This differs from accessing Service Adjustments Mode (Volume +)
Back
<<
002 MAIN_POWE
001
001 indicates an error was detected
003 AUD_PORT
000
000 indicates no error was detected
003 DC_ALERT
000
004 BALANCER
000
005 TCON_ERR
000
005 HFR_ERR
000
005 P_ID_ERR
000
005 PANEL_POWE
000
006 BACKLITE
000
007 TEMP_ERR
000
00000 00010 00000
[Menu] Exit
Panel Operation Time by Hour (max 99999)
Boot Count (max 99999)
Total Operation Time by Hour (max 99999)
SELF CHECK
KDL-22BX325/32BX325/32BX425/40BX425
8
CLEARING THE SELF CHECK DIAGNOSTIC LIST
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen after you have
completed the repairs to be sure you have cleared the result display to “0”.
1. To clear the Error history and Error count: Press the Channel
8
Channel
0
.
2. To clear the Panel operation time: Press the Channel
7
Channel
0
.
EXITING THE SELF CHECK DIAGNOSTIC SCREEN
1. 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.
SELF DIAGNOSIS FUNCTIONS
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