KDF-42WE655, KDF-50WE655 - Sony TV Service Manual (repair manual). Page 8

POWER

PRO

STD/DUO

LAMP

TIMER

POWER/STANDBY

Screen

Proj ection  lamp

Indi cat ors

Proj ection l amp

Indicators

For K DF-WE655 seri es

For KDF-WF655 series

- Oneflash is not usedfor self-diagnosis.

- Example

Diagnosis

Number of times LED Flash

Lamp cover

3 times

Fan

4 times

LED ON : 0.3 sec
LED OFF : 0.3sec

LED OFF

3.0sec

Releasing the POWER/STANDBY LED Flash
Unplug the power cord from the outlet to temporarily stop the POWER/STANDBY lamp from fl ashing.

Self-Diagnosis Screen Display
For failures that are diffi cult to reproduce, or accompany occasional power off and/or picture mute, the Self-Diagnosis screen display is useful to 
specify the cause..

To Bring Up Screen Test
In standby mode, press the buttons on the Remote Commander sequentially, in rapid succession, as shown below:

1.  Display  

  Channel  5      

 Sound Volume  -  

 Power ON

SELFCHECK

1 : LAMP ERR

0

3 :
4 :

LAMP COVER

0

 FAN-E/TEMP-E

1

5 : LAMP DRIVER
6 : LowB-ERR

0

0

7 : Audio-Prot
8 : D-OVP

0

1

101 : WDT

0

10

: ATSC_OVP

0

"1" is displayed when a failure is detected one or more times
"0" is displayed when no failure has been detected

 
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during repairs. When you 
have completed the repairs, clear the result display to “0”.