Sony SRX-R320, Service Manual

Page: 48 / 406

1-40 (E)
SRX-R320
Fig. 1-5-1
1-5. Replacing the Board
1-5-1. PC-107 Board, PS-773 Board and TM-57 Board (Shift Block Assembly)
1. Remove the panel (U7) block assembly. (Refer to Section 1-3-2.)
2. Remove the panel (U2) block assembly. (Refer to Section 1-3-3.)
3. Open the panel duct block assembly. (Refer to steps 3 and 4 in Section 1-4-3.)
4. Remove the unit cover (TOP). (Refer to step 7 in Section 1-4-1.)
5. Disconnect all harnesses from the connectors on the
PC-107 board.
6. Remove the three screws (PSW3
x
6), then remove the
PC-107 board.
7. Disconnect the harness from the connector (CN1) on
the PS-773 board.
8. Remove the two screws (PSW4
x
10), then remove the
light amount sensor bracket.
9. Remove the two screws (PSW3
x
6), then remove the
PS-773 board.
10. Disconnect the harness from the connector (CN2) on
the TM-57 board.
11. Remove the screw (PSW4
x
10), then remove the
TM-57 board.
12. To install, reverse the removal procedure.
PC-107 board (Side A)
PSW3
x
6
PSW4
x
10
PSW4
x
10
PSW
3
x
6
PS-773 board
CN1
Harness
TM-57 board
CN2
Harness
PC-107 board CN2
CN3
CN1
CN7
CN6
CN4
CN5
Light amount sensor bracket