Service manual
0-8
CONFIDENTIAL
EMP-1825/EMP-1815/EMP-1810
SEIKO EPSON Revision:C
4.4 Removing the Engine/Boards ................................................................4-20
4.4.1 Removing the Optical Engine and MAB (1) (MA Board Assy.) ... 4-20
4.4.2 Removing the Inner Exhaust Duct B/TH Board Assy.................. 4-40
4.4.3 Removing the Optical Engine and MAB (2) (Optical Engine)...... 4-42
4.5 Removing Other Main Parts................................................................... 4-46
4.5.1 Removing the Inner Exhaust Duct A/Exhaust Fan Assy. ............ 4-46
4.5.2 Removing the PS Fan/PS Ballast Assy./Speaker ....................... 4-48
4.5.3 Removing the PS Ballast Assy.(2) (Filter Board Unit)/Lamp Fan 4-51
4.5.4 Removing the Intake Fan/PBS Fan/AC Cable/RC Board Assy... 4-54
4.5.5 Removing the Ballast Filter Assy./Security Bar/Lower Case.......4-58
Chapter 5 Adjustment
5.1 Overview..................................................................................................5-2
5.1.1 Required Adjustment List ..............................................................5-2
5.1.2 Required Equipment/Tools............................................................5-2
5.2 Adjustment (Calibration) .......................................................................... 5-3
5.2.1 G-Sensor’s Zero Point Adjustment................................................ 5-3
5.2.2 Inspection Procedure .................................................................... 5-3
5.2.3 CMOS Image Sensor Calibration..................................................5-4
5.2.4 Inspection Procedure .................................................................... 5-8
Chapter 6 Appendix
6.1 AS (After Service) Menu ..........................................................................6-2
6.1.1 How To Display the AS (After Service) Menu ............................... 6-2
6.1.2 Initializing (Resetting) the AS Menu Values .................................. 6-5










