Sony KLV-40V440A Service Manual page 7

1-4. 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:
1-4-1. To Bring Up Screen Test
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
[ SELF-DIAGNOSTIC SCREEN DISPLAY ]
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".
1-5. Quitting Self-diagnostic screen
To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.
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*
5
* : Note that this differs from entering the service mode (volume +)
DC_DET 0
DC_ALEAT1 0
DC_ALERT2 0
DC_ALERT3 0
BACKLIGHT 0
TEMPERATURE 0
AUDIO 0
AUSD FAN 0
DFE 0
B-ENGINE 0
HFR 0
TV
Error Count Record
Number "0": means that no fault detected.
Number "1": means a fault was detected one time only.
Monitoring Items
For details, refer to "1-1. DIAGNOSTIC TEST INDICATORS"
KLV-40/46/52V440A (CH) 7