Epson EB-W52 Service Manual

EB-E01 series Disassembly and Assembly INTERNAL USE ONLY
SEIKO EPSON 162 Revision A
3.8 LCD Alignment
3.8.1 Overview
This projector is equipped with a function to adjust the color shift of the pixels
of the LCD panel.
 Compatible models: EB-FH06/FH52/EB-992F, EH-TW740/TW750
Color shift can be adjusted within a range of ±1.0 pixels in increments of 1.0
pixels in horizontal and vertical directions.
Only the entire screen can be adjusted. Individual parts of the screen cannot be
adjusted.
This section explains the specific method of LCD alignment.
3.8.2 Pixel color shift confirmation method
1. Disconnect the power cord from the projector and check that all of the
indicators on the projector are off.
2. Put power cord in the body while pressing [Enter] button. When the
indicator on the projector flashes five times and then lights up, release the
[Enter] button.
3. Press the [Power] button to turn on the projector.
4. Press and hold the [Esc] button for three seconds or more.
5. When the internal patterns are displayed, display the pattern for checking
the pixel color shift using the [Left] and [Right] buttons.
Pattern for checking the pixel color shift
6. Check the color shift of the pixels for the entire screen.
7. If color shift is detected, adjust it as shown below.
3.8.3 LCD alignment activation method
Start the LCD alignment using the operation panel (or the remote controller)
according to the procedure below.
If the MA Board and the Optical Engine Assy is replaced,
check for color shift of pixels after replacement, and if
color shift is identified, use this function to adjust it.
 This function is exclusive to the after service, as is not open to end users.
 When starting up, use the software DIP-SW to display the menu, and use
it again to close the menu after adjustment.

Epson EB-W52 Specifications

General

Matrix size	0.59 \
Matrix type	3-panel (p-Si TFT active)
Native aspect ratio	16:10
Projection distance	1.68 - 2.02 m
Projection technology	3LCD
Contrast ratio (typical)	16000:1
Screen size compatibility	30 - 320 \
Projector native resolution	WXGA (1280x800)
Keystone correction, horizontal	-30 - 30 °
RMS rated power	2 W
Focus	Manual
Throw ratio	1.3 - 1.56
Focal length range	16.9 - 20.28 mm
Product type	Standard throw projector
Product color	Black, White
Market positioning	Home cinema
Cable lock slot type	Kensington
Lamp type	UHE
Lamp power	210 W
Light source type	Lamp
Service life of light source	6000 h
Service life of light source (economic mode)	12000 h
Built-in display	No
Power source	AC
AC input voltage	100 - 240 V
AC input frequency	50 / 60 Hz
Power consumption (typical)	327 W
Video color modes	Blackboard, Cinema, Dynamic, Presentation, sRGB
Analog signal format system	-
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	10 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Noise level	37 dB
Noise level (economic mode)	28 dB

Weight and Dimensions

Depth	237 mm
Width	302 mm
Height	92 mm
Weight	2600 g