3-1
VPL-ES7
Section 3
Troubleshooting
1
3
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Connect the power cord to the unit.
The ON/STANDBY
LED indicator
is flashing
in red ?
The ON/STANDBY
LED indicator
is flashing
in green ?
CN701 on the
power board is connected
to J17 on the
main board?
The projector
lamp illuminated ?
No
Any image
is projected ?
Strange color
or
One of the 3 color is
missing ?
Color is normal ?
Check the R/G/B
LCD connectors.
Change the
main board.
Change the main board
or the optical unit.
Run the ADC calibration.
Yes
No
No
All white screen ?
(only ES7/EX7/EX7IN)
All black screen ?
(only EX70)
Check the R/G/B
LCD connectors.
Change the main board.
Change the optical unit.
Yes
Nothing is projected ?
Check the power board.
Connect the
harness securely.
The temperature fuse
works normally ?
Change F601.
Change the
temperature fuse.
Change the power board.
No
Yes
Yes
No
F601 on the
power board
blows out ?