Simoco EMEA Ltd SDB670AC01 Manual De Usuario
SDB670 – SERVICE MANUAL
TNM-M-E-0032
May 13
Page 45
MAINTENANCE
4.
The Rx Assembly can now be removed from the unit.
Figure 12. Removal of Rx Assembly.
6.2.5
To Remove the Control Board
1.
Remove the lid and open the SDB670 as detailed in Section 5.2.2.
CAUTION
This equipment contains ESDS Devices, static handling procedures are to be
observed. Refer to the personal safety pages.
2.
On the Control Board, referring to Figure 13 overleaf, carry out the following:
2.1. Disconnect the fan power cable from connector ‘P8FAN’.
2.2. Disconnect the DC power cable from connector ‘VDC’.
2.3. Disconnect the Tx, Rx and MMI RJ45 cables from the RJ45 sockets ‘TX’, ‘RX1’ and ‘S3
MMI’ respectively.
3.
On the SDB670 rear panel, remove the four socket fasteners from the 9-way and 25-way
connectors.
connectors.
4.
On the Control Board, release the six screws that secure the Control Board to the mounting
pillars.
pillars.
5.
Carefully lift out the Control Board from the unit.
Rx RF Cable
(BNC)
Rx Engine to
Control Board Cable
(RJ45)
Power Cable
(from socket S2
on Fuse Board)
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