PDG-DSU21
26
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.
Lamp LED
Temp LED
Green
Red
Solid
Flash
Temperature is too high. The lamp will turn off. The
fan motor is cooling the lamp.
Lamp LED
Temp LED
Amber
Off
Solid
-
The lamp ignition failed. If temperature is too high,
the fans wi11 be cooling the lamp.
Flash : 2Hz
Содержание PDG-DSU21B
Страница 8: ...PDG DSU21 4 1 2 DSU21 System Block Diagram ...
Страница 26: ...PDG DSU21 22 Step Figure Description 17 Remove the foot stand ...
Страница 29: ...PDG DSU21 25 3 z Remove the screws M3x6x2 z Remove Color wheel module ...
Страница 44: ...PDG DSU21 40 5 2 The backside of I O Board Connector Description No 4 Connect to Main board 100PIN NO 4 ...
Страница 50: ...PDG DSU21 46 6 1 Mechanical Drawing ...
Страница 51: ...PDG DSU21 47 6 2 Optical Parts Location ...
Страница 52: ...PDG DSU21 48 ...
Страница 53: ...PDG DSU21 49 ...
Страница 58: ...PDG DSU21 54 z Appendix D More details for main board measurement 1 Signal of DAD2000 26V 26V ...
Страница 59: ...PDG DSU21 55 2 Ballast Feedback Signal ...
Страница 60: ... KA7AA May 2008 DC 300 Printed in Japan SANYO Electric Co Ltd ...