Friday, August 24, 2012

SONY - KDS50A2020 KDS55A2020 KDS60A2020 - LED BLINKING CODES - ERROR CODES

Diagnostic items, and prediction of malfunction location


Diagnosis item


Number of times the power indicator blinks
Probable cause location
Defected symptoms
Temp: over

2 times
The periphery of  lamp heats up abnormally
No picture/sound
Lamp cover

3 times
Lamp cover is not attached securely
No picture/no sound
Fan error
4 times
Fan 1,3,4 power is not supplied. Fan connector is not attached securely
No picture/no sound

Lamp driver

5 times
Lamp driver is faulty
No picture/no sound
Power error

6 times
D5V is not supplied
No picture/no sound
Audio prot

7 times
Speaker line is shorted
No picture/no sound
Power OVP

8 times
7V is over
No picture/no sound
Device error

9 times
Temperature sensors, bus decoder Ics {IC2000, 3150,32008804}
No picture
Lamp error
Lamp LED flashes
Lamp for the light source burned out
No picture/no sound