KV-AR21N60 - Sony TV Service Manual (repair manual). Page 5

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2. DISPLAY OF STANDBY (1) INDICATOR FLASH

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)
indicator from flashing.

For errors with symptoms such as "power sometimes shuts off" or "screen sometimes goes off" that cannot be
confirmed, it is possible to bring up past occurrences 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 [+]).

The following screen will be displayed indicating the error count.

Diagnostic Item

Flash Count*

+B overcurrent

2 times

V-Protect

4 times

IK (AKB)

5 times

Power Supply NG (+5V)

8 times

for Video processor

* One flash count is not used for self-diagnosis.

Lamp OFF 3 sec 

Lamp ON 300ms

Lamp OFF 300ms

2 : 

0

3 :

N/A

4 :

0

5 :

1

8 :

0

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 (1) indicator