Cpu Board / Bios Backup Battery / Memory; Normal - Epson RC620 CU Manual

Maintenance 6. Maintenance Parts Replacement Procedures

6.4 CPU Board / BIOS Backup Battery / Memory

NOTE There are two types of RC620 as below according to the CPU board mounted.

RC620
RC620 + (Option)
Different procedures are instructed for each type. Follow the corresponding procedure to
replace the maintenance parts.

6.4.1 Normal

6.4.1.1 CPU Board (Normal)
Some of the cables connecting with the CPU board may confuse you about the direction to
NOTE

insert. Therefore, make sure that you can install the cables correctly by taking pictures or
notes during the replacement work.
CPU Board (1) Turn OFF the Controller and unplug the power connector.
(Normal)
Removal
(2) Disconnect the external cables from the CPU board if they are connected.
(3) Remove 10 screws and the top panel.
(4) Remove a screw for the CPU board
164
: Intel® CeleronTM M Processor
: Intel® Core
USB device LAN
holder assembly and remove the holder
assembly.
TM
Duo Processor
Display COM port, etc
: 6.4.1 Normal
: 6.4.2 Faster
RC620 Rev.8