KLV-32BX300, KLV-40BX400 (serv.man2) - Sony TV Service Manual (repair manual). Page 9

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KLV-32BX300/40BX400(CH)
9
SELF DIAGNOSIS FUNCTION
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:
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
0.5
0.5
3
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