Epson ELP-3500 User Manual download pdf

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EPSON PRODUCT SUPPORT BULLETIN

Date: 04/02/2002 Originator: JAM

PSB #: PSB.2002.04.004 Authorization:

Reference: Report #02-37 Total Pages: 1

Product(s): ELP-3000 / 3300 / 3500, PowerLite 5000 / 5000XB / 7000 / 7000XB / 7300

Subject: Computer DVD video tearing on Epson Projectors

This bulletin was created to inform you of DVD video tearing on Epson projectors manufactured

prior to June 1998.

Models affected:

ELP-3000 ELP-3300 ELP-3500 PowerLite-5000

PowerLite-7000 PowerLite-5000XB PowerLite-7000XB PowerLite-7300

Description of artifact:

When playing high image contrast, fast-action DVD movies, a very thin horizontal break can occur

in the image. The line-tear is very difficult to see if the viewing environment is moderately or

brightly lit. Most viewers will not notice it. This line-tear can occur at the top, middle or bottom of

the screen as the movie continues to play. The tearing occurs about every 5 to 8 minutes of play

and can be seen for the duration of the movie. The break can also appear to travel vertically over

time because of timing differences between video frame rates and projector refresh cycles. The

artifact only occurs when playing movies from a Computer DVD player through the VGA port.

There is no video tearing of the same motion picture through the S-Video, Composite or

Component input ports on the projector. The artifact appears only in the video display. The audio

track is unaffected. The issue is not dependent on PC or Mac hardware platforms, operating

system or DVD player software.

Reasons:

Digital video playback through computers was not prevalent until the mass production of

Computer DVD players. With the incorporation of NTSC video frames embedded into RGB

computer video signals, synchronization limitations (frame shift) were encountered. In June 1998,

Epson incorporated frame synchronization circuitry for future projector models to eliminate the

artifact.

Resolution: Because the introduction of Computer DVD playback occurred after the manufacture

of the mentioned projectors, Epson has no plans to replace or upgrade the models specified.

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Summary of Contents

Page 1 - PRODUCT SUPPORT BULLETIN

Page 1 of 1EPSON PRODUCT SUPPORT BULLETINDate: 04/02/2002 Originator: JAMPSB #: PSB.2002.04.004 Authorization:Reference: Report #02-37 Total Pages:

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Page 1 of 2EPSON PRODUCT SUPPORT BULLETINDate:06/30/2000Originator:ESCPSB #:PSB.2000.07.001Authorization:Reference:N/ATotal Pages:2Product(s):Multim

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Page 2 of 2SUSPENSION ADAPTERS:Part Number: ELPMBASTCompatibility: ELPMB31, ELPMB32 and ELPMB33Dimension: 1 l/2” PipePart Number: ELPMBAPSCompatibilit

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Page 1 of 1EPSON PRODUCT SUPPORT BULLETINDate:06/02/2000Originator:ESCPSB #:PSB.2000.06.001Authorization:Reference:N/ATotal Pages:1Product(s):Multim

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Page 1 of 1EPSON PRODUCT SUPPORT BULLETINDate:05/18/2000Originator:APPSB #:PSB.2000.05.001Authorization:Reference:N/ATotal Pages:1Product(s):Multime

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