Troubleshooting; Electric Troubleshooting - Sony VPL-ES3 Service Manual

3-1. Electric Troubleshooting

Connect the Power
Power LED OK
Yes
Power ON
Lamp ON ?
Yes
System shut-down
And cooling
No
No Picture ?
No
Picture quality
No good ?
No
1
VPL-ES3
Section 3

Troubleshooting

No
1. Check Power
2. Check lamp cover LED, lamp door,
dust filter switch.
3. Check the power board out voltage 5V.
4. Change main board.
No
1. check the Ballast power and control
signal wire
2. Check lamp door switch.
3. Check power board output voltage 15V
and 12V.
Yes
1. Check the LED message table and find
the error.
2. If the error code is lamp cover shine,
please check the lamp.
3. If the error code is lamp cover flash,
please check the door switch.
4. If the error code is temp/fan, please
check the fan status and thermal sensor.
Yes
1. The picture is full-white pattern; please
check the LCD panel connector.
2. The picture is full-black pattern; please
check the LCD driver on the main board.
Yes
1. The picture a little green, blue, red,
please check the LCD panel connector.
2. The picture has dust, please check the
lens.
3. The picture flicker, please alignment
again.
3-1