KV-AR25M90B - Sony TV Service Manual (repair manual). Page 4

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KV-AR25M90B
RM-W104
2. DISPLAY OF STANDBY/(1) indicator FLASH
COUNT
3. STOPPING THE STANDBY/(1) indicator FLASH
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/(1) lamp
from flashing.
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 occurence of failure on the screen for confirmation.
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
[display] / channel [5] / volume [-] / Power 
 / TV 
˘
Note that this differs from entering the service mode (volume  [+]).
Self-Diagnostic screen display
Diagnosis Item
Flash Count*
+B overcurrent
2 times
I-Prot
4 times
IK (AKB)
5 times
HV Protect
8 times
* One flash count is not used for self-diagnosis.
Lamp OFF 3 sec 
Lamp ON 300ms
Lamp OFF 300ms
2 : 000
3 : N/A
4 : 000
5 : 001
3 : 000
8
101 : N/A
SELF DIAGNOSTIC
Numeral "0" means that no fault was detected.
Numeral "1" means the number of a fault occurrence (1~255).
 STANDBY u indicator
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