2
Remove pozidriv screws
(one each side)
Lift up top cover
Remove top cover
Remove PCB locking bar
1
2
3
1
4
Fig. 3.2 Removing the Chassis Top Cover and PCB Locking Bar
Withdraw the instrument
from the case
Remove tamper-proof seal
(if fitted)
Unscrew the jacking screw
1
2
3
Information. Refitting is the
reverse of removal.
Fig. 3.1 Removing the Instrument from its Case
3) Remove the chassis top cover and PCB locking bar –
see Fig. 3.2.
3
Fitting Media Board
Sub-Assembly – Figs. 3.1 to 3.7
Caution. The instrument is vulnerable to
electrostatic damage. Wear an anti-static strap or
dismantle the unit on an anti-static workbench.
1) Isolate the instrument from the power supply.
2) Remove the instrument from its case – see Fig. 3.1.