Sony HDC-900 Maintenance Manual page 58

3-14. Replacing the Boards
[Notes|at|installation]
. Before connecting the connection connector, clean the
white optical contact at the tip of connector with alcohol.
. Align the protrusion of the connector with the notch of
the interconnection connector in connecting.
blue ........... yellow (1)
white ......... yellow (2)
Notch
(blue,white)
Interconnection
connector
3-22 (E)
Protrusion
(yellow)
Optical contact (white)
3-14-5. MB-882 Board
n
Optical cables used in the unit are very fragile. So do not
bend or yank in handling. This causes a break in the cable.
1. Remove the front assembly. (Refer to steps 1 and 2 of
Section 3-1.)
2. Pull out the plug-in boards (RE, AU, AT, SG, DAP,
DAD, VDA, DPR, VA) along the groove of the board
rail and remove. (Refer to step 2 of Section 3-3.)
3. Remove the heat sink assembly. (Refer to steps 1 and
2 of Section 3-7.)
4. Disconnect the two optical cables (yellow).
5. Disconnect a coaxial cable from the connector (CN7)
of SDI-49 board, and disconnect the harness connec-
tors from connectors (INCOM1, INCOM2, CCU,
DIGITAL AUDIO) and flexible card wires from the
connectors (REAR CNTRL, MEMORY STICK) of
MB-882 board.
n
Refer to Section 1-6 for details on disconnecting/
connecting the flexible card wire.
INCOM2
INCOM1
REAR
CNTRL
CCU Coaxial connector
cable
CN7
MB-882 board
SDI-49 board
Optical cables (yellow)
MEMORY DIGITAL
STICK AUDIO
HDC-900/950 MM