Replacing The Cnb-22 Board (Hdcu1500); Replacing The Sdp-12 Board (Hdcu1500) - Sony HDCU1000 Maintenance Manual

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.
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
2-12 (E)
Screws
(B3 x 5)
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.
Screws
(B3 x 5)
Cover
Two hexagonal
screws
SDP-12
board
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.
Screws
(B3 x 5)
CN103
CP201
SDP-12
board
CP401
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.
Screws
(B3 x 5)
Harness
guide
Two optical
cables
1
CP201
2
CP401
MM/HDCU1000 Series