ViewSonic PJD5112 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 is latest and lamp hours.
How to enter Engineering Mode?
-Open the Main menu and move the color bar to “setting” item, and then press right button
to enter sub-menu. Move down the color bar to “ Lamp Hours” item, press the direction keypad
following the actions below:
Right once, left twice, right three times, left four times ; Then you will enter the Engineering
Mode.)
Note: This FW version is just for reference.
ViewSonicCorporation Confidential - Do Not Copy PJD5112
26

ViewSonic PJD5112 Specifications

General

Projection distance	1.2 - 10 m
Projection technology	DLP
Contrast ratio (typical)	2000:1
Projector native resolution	SVGA (800x600)
Aspect ratio	4:3, 16:9
RS-232 ports	1
Dimensions (WxDxH)	280 x 218 x 114 mm
Power requirements	90~240VAC
Lamp power	180 W
Light source type	Lamp
Service life of light source	3000 h
Service life of light source (economic mode)	5000 h
Focus	Manual
RMS rated power	2 W
Headphone outputs	2
Serial interface type	RS-232
Noise level	30 dB
Power consumption (standby)	1 W
Power consumption (typical)	235 W
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Product type	Standard throw projector
Market positioning	Presentation

Weight and Dimensions

Weight	2600 g