KV-HW21P80A - Sony TV Service Manual (repair manual). Page 4

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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)
indicator from flashing.

For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be con-
firmed, it is possible to bring up past occurances 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:

[Screen display] / channel [5] / Sound volume [-] / Power ON

˘

                  Note that this differs from entering the service mode (volume [+]).

Lamp ON 0.3 sec.

Lamp OFF 3 sec.

Lamp OFF 0.3 sec.

2 times

4 times

Diagnosis Item

Flash Count*

+B overcurrent/overvoltage

2 times

Vertical deflection stopped

4 times

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

002 : 000
004 : 000

Numeral "0" means that no fault has been detected.

101 : 000

SELF DIAGNOSTIC

STANDBY (1) indicator