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Sony LCD Projection TV Shutdown Troubleshooting

Turn the set on.  The POWER/STANDBY LED will blink green for a while and then stop.  If the LED does not light in green, unplug the set for about a minute and plug it back in and then turn it on.  After the set shuts down, the POWER/STANDBY LED will blink a few times, pause, blink a few times, pause, and so on.  Count the number of blinks in each group and look them up in the table below.

 

# of Blinks Meaning Probable Cause/Fix
Does not light green or red No power Repair power supply circuit.
1 Lamp error Replace lamp or repair lamp drive circuit.
2 Temperature error Clean fans and ducts or replace temp. sensor.
3 Lamp cover is open. Remove door and lamp and reinstall them, or replace door or lamp switch.
4 Fan has stopped Find which fan is bad (3 or 4 in the set) and replace it.
5 Lamp driver error Replace lamp or repair lamp drive circuit.
6 Low B+ error Unfortunately, almost any circuit can cause this code.
7 Audio protect Repair the audio amplifier circuit.
8 D overvoltage Repair the power supply circuit.
10 ATSC overvoltage Repair the power supply circuit.
LAMP LED lights Bad lamp Replace the lamp.