Epson EB-E01, Service Manual, Page: 154 / 190

EB-E01 series Disassembly and Assembly INTERNAL USE ONLY
SEIKO EPSON 154 Revision A
3.6.3.2 Check in advance
This check inspects the Optical Engine and the MA Board to specify the
current trouble is occurring either in the Optical Engine or in the MA Board.
Flow for the check in advance
PROCEDURE FOR CHECK IN ADVANCE
1. Checking the Engine’s S/N
Write down the serial number (11digits) on the label attached on the
Optical Engine.
(Continued on the next page)
Check the part codes of the Optical
Engine and MA board, and confirm
the model group using the model
group list of the Tech Exchange.
Locate the broken part
Checking the Engine’s S/N
(P.154)
Checking the MA Board
(P.155)
Checking the model group list
(P.155)
Locating the trouble (Engine/
MA Board) (P.155)
Replacing the Optical Engine
(P.156)
Replacing the MA Board
(P.158)
Take care not to mistake the numbers such as "6" for "5"
because of the font used for the serial number of the
Optical Engine. Some numbers are easily mistaken.
Serial number of the Optical Engine