Ultrasound Technologies Fetatrack 310, Service Manual

Page: 23 / 81

Disassembly
Fetatrack310 Service Manual Issue3
Ultrasound Technologies Ltd
©Ultrasound Technologies Ltd, Lodge Way, Portskewett, Caldicot, South Wales NP26 5PS, United Kingdom.
T +44 (0) 1291 425425 F: +44 (0) 1291 427093 E: ultratec@doppler.co.uk W:
www.doppler.co.uk
Dismantling Procedure
Note: Before disassembling the unit, unplug the transducers, accessories
cable (if present), and the power cord from the instrument.
To remove the Top Cover, remove the four screws around the edge on the
bottom of the unit. Open the recorder door and then carefully lift the lid
upwards. The Top Cover can now be removed taking care to disconnect the
earth bonding cable connecting the lid to the base, and carefully disconnecting
the front panel pcb interface cables.
The recorder and display module can be removed from the lid by careful
removal of the 2 screws holding the parts in place. Be careful not to loose the
spacers lying behind these cards.
Internal Layout
With the top cover removed and the front panel facing you, there is one large
printed circuit board fixed to the base of the monitor this contains all the power
supply circuits, all the control circuits and the Ultrasound, Toco and digital signal
processing circuits.
In addition, there is the Front panel displays, keyboard interface and printer
drive circuits card mounted on the Lid of the unit.