Simoco EMEA Ltd SDB670AC01 Manual De Usuario
SDB670 – SERVICE MANUAL
TNM-M-E-0032
May 13
Page 47
MAINTENANCE
3.
On the PSU, disconnect all the screw connections from ‘TB1’.
4.
Referring to Figure 14 above, remove the two M4 nuts that secure the PSU Support Chassis
to the SDB670 chassis.
to the SDB670 chassis.
5.
The PSU Support Chassis complete with Fuse Board and PSU can now be removed from
the unit.
the unit.
6.2.7
To Remove the Rear 50 W Fan Assembly
1.
Remove the lid and open the SDB670 as detailed in Section 6.2.2.
2.
On the Control Board, disconnect the Fan power cable from connector ‘P8FAN’.
3.
On the rear panel, remove the two M3 x 6 mm screws (one each side) that secure the Fan
chassis to the rear panel (see Figure 15 below).
chassis to the rear panel (see Figure 15 below).
4.
On the Heat Sink assembly, remove the four M3 x 6 mm screws (two each side) that secure
the Fan chassis to the Heatsink.
the Fan chassis to the Heatsink.
5.
Carefully feed the fan power cable through the rear panel and through the Heat Sink
assembly.
assembly.
6.
On the Fan chassis, remove the four self tapping screws that secure the Fan and Fan Guard
to the Fan chassis.
to the Fan chassis.
Figure 15. Removal of Fan Assembly.
6.2.8
To Remove the MMI Board Panel
1.
Remove the lid and open the SDB670 as detailed in Section 6.2.2.
2.
Remove the Rx Assembly as detailed in Section 6.2.4.
3.
On the MMI Board, disconnect the Control Board to MMI cable from the ‘S1’ RJ45 socket.
4.
On the MMI Board, remove the six securing screws and remove the MMI Board from the
front panel.
front panel.
6.2.9
To Remove the Internal Fan Assembly
1
Remove the lid and open the SDB670 as detailed in Section 6.2.2.
2
Disconnect the fan power cable from the Mate-n-lok connector of the Internal Fan Extension
cable.
cable.
3
Remove the two 4 mm nuts that secure the fan cradle to the chassis.
4
Remove the four M3 screws that secure the fan to the fan cradle.