Board - Sony LMT-300 Service Manual

3-5-8. IO-243 Board
m
. The IO-243 board can be replaced in the state that it is installed in SRX-R320.
. The three same IO-243 boards are installed.
Replacement part
Part name: IO-243 board
Part number: A-1729-449-A
Replacing procedure
1. Remove the front panel. (Refer to Section 3-2-1.)
2. Remove the two screws, then hold the handle and pull out the IO-243 board in the direction of the
arrow.
3. Pull out other IO-243 boards in the same procedure as step 2.
Handle
PSW
3 x 6
4. To install, reverse the removal procedure.
n
When installing the IO-243 boards, be sure to securely insert it into the connectors (CN13 to CN15)
on the MB-1143 board assembly.
LMT-300
IO-243 boards
IO-243 board
MB-1143 board
CN13
CN14
CN15
3-29 (E)