6-27
HDW-750/750CE V1
6-15. IFA-11 Board Replacement
1.
Remove the outside panel assembly.
(Refer to Section 1-4.)
2.
Open the inside panel assembly.
(Refer to Section 1-5.)
3.
Remove the front assembly.
(Refer to Section 6-1-1.)
4.
Disconnect the harness and flexible card wire
from the connectors (CN120, CN501,
CN504) on the IFA-11 board.
n
Life of flexible card wire will be significantly
shortened if it is folded. Be very careful not
to fold the flexible card wire.
5.
Remove the nylon rivet and remove the IFA-
11 board.
CN120
IFA-11 board
CN501
CN504
Nylon rivet
Flexible card wire
6.
When installing the new IFA-11 board to the
frame, insert the protruded portion in the
right to the half-round hole and insert the
protruded portion in the left into the groove.
Then install the IFA-11 board between the
upper and lower protruded portions.
n
Upon completion of the IFA-11 board
replacement, remove EEPROM (IC202) from
the former board and install it to the new
board.
IFA-11
board
Upper
protruded
portion
Lower
protruded
portion
Half-round hole
Protruded
portion
in the right
Protruded
portion
in the left
Groove
Frame
7.
Install it by reversing the steps of removal.
6-15. IFA-11 Board Replacement