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2-10. Replacement of Circuit Board
2-10-7. Replacement of MB-573 Board
1. Peform the procedures 1 to 3 in Section 2-7-1 to remove the board rail. 2. Remove the DC/DC converter and AC/DC converter referring to Sections 2-8 and 2-9. 3. Remove the SDI-10 board referring to Section 2-10-5. 4. Remove the three screws and spacer to remove the DAD-19 board.
5. Disconnect the connectors and flexible card wires as shown below. n Refer to Section 2-6 before disconnecting or connecting the flexible card wire.
A side
CN1 CN2 CN3 CN4 CN5
CN27
CN28
DAD-19
CN15 CN16
B2.6 x 4
CN13 CN12
CN11
B side
CN26 CN30 CN29 CN23 CN20 CN19 CN24 CN9 CN25 CN6 CN10 CN8 CN31 CN7
Flexible card wires
Spacer B2.6 x 4
CN21 CN22 CN14
6. Remove the three columns and screw to remove the MB-573 board.
B2.6 x 5 MB-573
Columns
7. Install a new board in the reverse order of removal.
