Board - Sony SRX-R320 Service Manual

SY-378 board
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When replacing the SY-378 board, perform the procedure required before and after replacement. Be sure
to refer to Sections 2-6 to 2-8 before replacement.
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 PR-300 and MX-113 boards. (Refer to this section.)
6. Remove the four connector screws (without a groove)
and two connector screws (with a groove).
7. Remove the seven screws (PSW4 x 10), then remove
the shielding case (D) in the direction of the arrow..
8. Disconnect the two harnesses from the connectors
(CN1300 and CN1301) on the SY-378 board.
SRX-R320
Shielding case (D)
Fig. 1-5-4e
Connector screw
(without a groove)
Connector screw
(with a groove)
Connector screw
(without a groove)
PSW4 x 10
CN1301
CN1300
SY-378 board
Harnesses
1-47 (E)