Sony KDL-40NX700 / KDL-46NX700 Service Manual ▷ View online
KDL-40NX700/46NX700
8
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 fl ash. The number
of times the LED fl ashes translates to a probable source of the problem. A defi nition of the STANDBY LED fl ash 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 fl ash 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 fi rst of the problem areas.
Result for all of the following diagnostic items are displayed on screen.
Result for all of the following diagnostic items are displayed on screen.
If the screen displays a “0”, no error has occurred .
Diagnostic Item
Diagnostic Item
Description
Number of times Standby
LED blinks
Possible Location
MAIN_POWER
Main Power Over Voltage Protection
2
BUHS Board
GE3A (Power) Board (KDL-40HX700 Only)
GE2B (Power) Board (KDL-46HX700 Only)
GE2B (Power) Board (KDL-46HX700 Only)
DC_ALERT
DC Alert
DTT-WDT
DTT Error
AUD_PROT
Audio Error Detection
BALANCER
Panel Balancer Error
4
BUHS Board
TCON ERR
TCON Error
HFR ERR
HFR Error
P_ID_ERR
Panel ID NVM Error
BACKLITE
Backlight Error
6
BUHS Board
LCD Panel
TEMP_ERR
Temperature Error
7
BUHS Board
FAN_ERR
Fan Error (Not Used in these models)
NA
NA
RGB_SEN
RGB Sensor ACK Error
NA
NA
3
5
BUHS Board
GE3A (Power) Board (KDL-40HX700 Only)
GE2B (Power) Board (KDL-46HX700 Only)
GE2B (Power) Board (KDL-46HX700 Only)
BUHS Board
LCD Panel
TCON Control MT Board
Self Diagnosis
Supported model
KDL-40NX700/46NX700
9
SELF DIAGNOSIS FUNCTIONS
STANDBY LED FLASH COUNT
Ambient Sensor/
(IR) Infrared Receiver
Picture Off /
Timer LED
Standby LED
Power LED
2 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
LED OFF
3 sec.
KDL-40NX700/46NX700
10
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 confi rmed, it is possible to
bring up past occurrences of a failure for confi rmation 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 +)
Error count (00-99)
Error history (Last failure time beforehand)
Error history (Failure time before last)
Error history (The last failure time)
Item name
STBY LED flash time
Total operation time by hour (MAX:65535)
Boot count (MAX:65535)
Panel operation time by hour (MAX:65535)
Error count (00-99)
Error history (Last failure time beforehand)
Error history (Failure time before last)
Error history (The last failure time)
Item name
STBY LED flash time
Total operation time by hour (MAX:65535)
Boot count (MAX:65535)
Panel operation time by hour (MAX:65535)
0501210811 0412311234 0311111825 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
002 MAIN_POWE
003 DC_ALERT1
003 AUD_PROT
004 BALANCER
005 HFR_ERR
005 P_ID_ERR
12345-00333-06789
12345-00333-06789
-
-
-------------- -------------- -------------- 00
003 DTT_WDT
-------------- -------------- -------------- 00
005 TCON_ERR
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
006 BACKLITE
007 TEMP_ERR
010 RESERVED
-------------- -------------- -------------- 00
007 FAN_ERR
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
000 RGB_SEN
011 RESERVED
-------------- -------------- -------------- 00
SELF CHECK
KDL-40NX700/46NX700
11
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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