Sony HDCU1000, Maintenance Manual

Page: 32 / 334

2-12 (E)
MM/HDCU1000 Series
Screws
(B3
x
5)
Rear board
fixing plate
2-2-6. Replacing the CNB-22 Board
(HDCU1500)
1. Replace the CNB-22 board after removing the VIF-
34B board and the ADO-10 board.
(Refer to Section 2-2-5.)
2. Remove the two screws and remove the rear board
fixing plate.
3. Remove the four hexagonal screws and remove the
CNB-22 board in the direction of the arrow.
CNB-22 board
Hexagonal screws
2-2-7. Replacing the SDP-12 Board
(HDCU1500)
1. Remove the rear panel (Refer to Section 2-2-4).
2. Remove the five screws, and remove the cover and the
harness guide.
3. Remove the two hexagonal bolts.
4. Disconnect the harness from the connector CN103 on
the SDP-12 board.
5. Disconnect the optical cables from the connectors
CP201 and CP401 on the SDP-12 board.
n
When disconnecting the optical cables, disconnect the
cables holding the blue portion of the plug.
6. Remove the two screws and remove the SDP-12 board.
7. Reinstall the SDP-12 board by reversing the steps of
removal.
m
.
When connecting the optical cables, push them in
the connectors until a click sound is heard.
. Connect optical cable 1 to the connector CP201, and
optical cable 2 to the connector CP401. If they are
connected to incorrect positions, the signal will not
be output.
SDP-12
board
Screws
(B3
x 5)
Two hexagonal
screws
Cover
Harness
guide
Screws
(B3
x
5)
SDP-12
board
Screws
(B3
x
5)
CN103
CP201
CP401
Two optical
cables
CP201
CP401
1
2