Troubleshooting And Verifying The Repair; Troubleshooting - Sanyo PDG-DSU20N Service Manual

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
Lamp LED Green
Temp LED Off
Lamp LED Green
Temp LED Green
Lamp LED Green
Temp LED Green
Lamp LED Amber
Temp LED Green
Lamp LED Amber
Temp LED Amber
PDG-SU20
Status Meaning
Flash The projector is in standby mode.
-
Solid
The projector system has some problems with
Flash its fan, so the projector cannot start up.
Solid
The lamp is in good condition and is projecting
Solid
at maximum brightness.
Solid
The lamp has reached its end of life and must
Solid- 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.
Solid
The projector is shutting the fan motor is
Solid-
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.
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