ViewSonic PJD5112 Service Manual

Test Equipment
PC and Remote controller
Test method
1. Connect PC (laptop) VGA output to projector.
Set PC (laptop) output signal to projector
2. Connect projector USB to PC.
Press remote controller page up/down to scroll presentation file up and
down (ex Microsoft office series)
I/O port Audio input
Test Equipment
Connect audio input to audio output of DVD player
Signal format
480i
(3) Operation test
Buttons operation
Button description Test criteria
Power button
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press “power” button and projector will switch on
Menu
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button.
2. Press Menu button can make projector function normally.
4-way button
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the 4-way button.
2. Press 4-way button can be used to scroll through OSD (On -
Screen Display) menus and make adjustments.
Source
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the button
2. Press Source button manually selects an input source
Foot adjuster operation
Foot adjuster. Test criteria
Foot adjuster button
Foot adjusters should stretch downward smoothly by pressing the foot
adjuster buttons on the two sides
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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