Sanyo PDG-DSU20B, Service Manual

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PDG-SU20 25
4. Troubleshooting and Verifying the Repair
This chapter provides technicians with electronic background how to maintain the product. Moreover,
you can get the appropriate operation to solve some complicated problems of component repairing
and professional problems.
4.1. Troubleshooting
Warning
„ Do not directly look into the lens to avoid eyesight damages.
„ The projector is equipped with ventilation holes (intake) and ventilation holes (exhaust). Do not
block or place anything near these slots, or internal heat build-up may occur, causing picture
degradation or damage to the projector.
Confirm Software and hardware
(1) Confirm FW version and lamp using hours
(2) Confirm LED indicator
LED Type Color Status Meaning
Lamp LED
Temp LED Green
Off Flash
- The projector is in standby mode.
Lamp LED
Temp LED Green
Green Solid
Flash The projector system has some problems with
its fan, so the projector cannot start up.
Lamp LED
Temp LED Green
Green Solid
Solid
The lamp is in good condition and is projecting
at maximum brightness.
Lamp LED
Temp LED Amber
Green Solid
Solid-
The lamp has reached its end of life and must
be changed soon. The lamp will continue to
operate until it fails. Change the lamp. If the
lamp is off, then the ballast will become
malfunction.
Lamp LED
Temp LED Amber
Amber Solid
Solid- The projector is shutting the fan motor is
cooling the lamp for Shutdown. Do not unplug
the power cable or turn the power switch off
before the Lamp LED Change to Flashing. The
fan motor will turn off when the lamp has
cooled.