Table of Contents
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Introduction
Fundamental Principle
Troubleshooting
Function Test and Alignment Procedure
7-2.2 B. Performance Troubleshooting
Have image?
Have garbage
pattern?
Uniformity OK?
Is color OK?
Continue
Mechanical Construction
Procedure of Disassembly
Firmware Upgrading Procedure
Start
No
Change
M/B
Yes
Yes
Change
M/B
No
Change
No
Engine Module
Yes
Color Adjust
No
Procedure
* Note 1
Yes
Function of Boards
Specifications
DDC Key-In Procedure
Change
No
No
DMD Board
Change
No
DMD Board
Change
No
No
Change
Photo
M/B
Sensor
7-5
EP757
SERVICE MANUAL
Appendix
Change
DMD CHIP
Change
No
DMD
Board
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Table of Contents
