Board - Sony Digital HDVS HDC-900 Maintenance Manual

3-14-5. MB-882 Board
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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.)
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If the HKC-T950 is installed, remove the cable adaptor
first referring to Section 3-15-1.
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 harnesses from
connectors (INCOM1, INCOM2, CCU, DIGITAL
AUDIO) and flexible card wires from the connectors
(REAR CNTRL, MEMORY STICK) of MB-882

board.

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Refer to Section 1-5 for details on disconnecting/
connecting the flexible card wire.
INCOM2
INCOM1
REAR
CNTRL
HDC-900/950 MM
CCU
Coaxial cable
CN7
MB-882 board
SDI-49 board
Optical cables (yellow)
MEMORY DIGITAL
STICK AUDIO
6. Disconnect the harnesses from connectors (VF, TOP
SW, R FAN, REAR AUDIO, RM, POWER, REAR
VIDEO, F-MIC, INSIDE SW, TEST, LENS) and
flexible card wire from (INCOM PANEL) of MB-882
board side-A.
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Refer to Section 1-6 for details on disconnecting/
connecting the flexible card wire.
MB-882 board VF TOP SW
A side
LENS
TEST INSIDE F-MIC
SW
7. Remove the four screws, and remove the SDI shield.
8. Remove the three screws, and remove the MB-882
board.
MB-882 board
SDI shield
9. Install the new MB-882 board in the reverse order of
steps 1 to 8.
3-14. Replacing the Boards
R FAN
INCOM
PANEL
REAR
AUDIO
RM
REAR POWER
VIDEO
PS2.6 x 6
PS2.6 x 6
3-23 (E)