Epson EB-E01, Service Manual, Page: 97 / 190

EB-E01 series Disassembly and Assembly INTERNAL USE ONLY
SEIKO EPSON 97 Revision A
3.3.9 RTC Board
DISASSEMBLY PROCEDURE
 EB-FH52/992F
1. See Flowchart (p70) and remove all parts up to the component below from
the projector.
Upper Case (Assy) (p80)
2. Remove the "RTC Cable H854" from the connector.
3. Remove the "RTC Board".
4. Remove the "Lithium Battery" from the "RTC Board".
After removing the RTC Board, place it on the insulator. If
the Lithium Battery is already inserted, the RTC Board
may short.
When replacing the "RTC Board" for repair, be sure to
execute the following:

The information such as the time of first boot, and the
time of lamp replacement for this machine is recorded
in the memory on the MA Board. The user may need
this information for the purpose of operation and
management of this machine; therefore, when the
"RTC Board" or the "MA Board ASSY" needs to be
replaced, check whether this information is readable. If
yes, read it using the "IPS Tool (Resume)" program
(dedicated program for services and support), and
write it back onto the machine after completing
repairs.
(See
3.5.9 The service tools and the adjustment tasks
list which required before and after parts replacement
(p148)
)
Lithium Battery
RTC Cable H854
RTC Board