Sony SRX-R320, Service Manual

Page: 53 / 406

1-45 (E)
SRX-R320
Fig. 1-5-4c
1
1
Shielding case (C)
PSW4
x
10
SY-378 board
Connector
PR-300 board
Board lever
PR-300 board
MX-113 board
Guide rail
Board lever
PR-300 board and MX-113 board
m
.
Two PR-300 boards are incorporated into this unit.
.
The procedure below is described using a PR-300 board. An MX-113 board can also be removed and
installed in the same procedure as described below.
.
When replacing the PR-300 board, perform the adjustment in Section 2-5.
1. Remove the panel (U7) block assembly. (Refer to Section 1-3-2.)
2. Remove the panel (U6). (Refer to Section 1-3-5.)
3. Remove the shielding case assembly (1). (Refer to Section 1-4-13.)
4. Remove the IPM-105 and DIF-188 boards. (Refer to this section.)
5. Remove the six screws, then remove the shielding case
(C).
6. Open the board levers in the direction of the arrow 1
and pull out the PR-300 board.
7. To install, reverse the removal procedure.
n
When installing the PR-300 board and MX-113 board,
securely insert them into the connectors on the SY-378
board.