Removing/Reattaching Plug-In Boards - Sony DNW-A75 Maintenance Manual

2-13. Removing/Reattaching Plug-in
Boards
n
When the plug-in board is replaced, refer to "6-3. Plug-in
Boards List".
1. Turn off the power.
2. Remove the upper lid. (Refer to Section 2-3-1.)
3. To remove the board retainer (L) or (S), fully loosen
the screw of it.
Screw
(with stopper)
Protrusion
Board retainer (L)
Square hole
4. When removing the TBC-23A or TBC-24 board,
disconnect the harness from its board.
TBC-23A board : CN1 (E-1) ....................... 14P White
TBC-24 board : CN1 (E-1) ....................... 14P White
5. Open the eject levers on both end of the board in the
direction of the arrows.
6. Hold the eject levers and slowly pull the board out.
2
1 1
Pulling out
DNW-A75/A75P
Board retainer (S)
Protrusion Screw
(with stopper)
Square hole
1 1
3 3
2
Insertion

2-13. Removing/Reattaching Plug-in Boards

7. When removing the AU-260, EQ-75, or SDI-41 board,
disconnect the harnesses or cables from the following
connectors on its board.
AU-260 board
CN100 (B-1) .............................. 3P Red
CN200 (F-1) .............................. 3P Yellow
EQ-75 board
CN100 (B-7) .............................. 6P White
CN500 (A-4) ............................. 4P White
CN600 (G-3) ............................. 4P Red
CN1500 (A-5) ........................... 4P Black
CN1600 (G-5) ........................... 4P Yellow
SDI-41 board
*1
CN100 (C-1/A-1 ) ................... 1P Red
*1
CN101 (A-1/B-1 ) ................... 1P Yellow
CN700 (E-1/F-1 *1 ) .................... 1P Green/Orange
*1
CN701 (D-1/E-1 ) ................... 1P Orange/Green
CN800 (F-1/G-1 *1 ) .................... 1P Blue
*1: At the suffix -11
*2: At the suffix -11 or -13
When removing the DPR-118 board with BKNW-118
(DPR-119 board), disconnect the two cables from the
following connectors on the DPR-119 board.
DPR-119 board
CN1 ........................................... 1P Orange
CN3 ........................................... 1P Green
When removing the DPR-150 board of BKNW-124,
disconnect the two cables from the following connec-
tors on the DPR-150 board or the piggybacked DIF-
109 board onto the DPR-150 board.
DPR-150 board (DIF-109 board)
CN200 ....................................... 1P Orange
CN201 ....................................... 1P Green
When reattaching the board, install in the reverse order of
removal.
m
. After inserting the board, push in the two folded eject
levers simultaneously to firmly connect the plug-in
board to the connector on the motherboard (MB-818
board).
. To reattach the board retainer, tighten the screw after
inserting the protrusion of the board retainer into the
square hole of chassis.
*2
*2
2-23