Ultrasound Technologies PD1 series User manual

Ultrasound Technolo
g
ies Ltd
PD1 & Fetatrack 120 series Dopplers
Service manual
PD1 / FT120 service manual Issue 3 January 2007
©Ultrasound Technologies Ltd, Lodge Way, Portskewett, Caldicot, South Wales NP26 5PS, United Kingdom.
T [phone] F: [phone] E: [email protected] W: www.doppler.co.uk

Ultrasound Technolo
g
ies Ltd
Products covered by this service manual
PD1 series
pocket dopplers
Product Group
Product version
Product variation
PD1 audio pocket
doppler
Babypulse home use
doppler
Fetatrack 120 audio
doppler
PD1+ fetal doppler
with FHR display
PD1v vascular
doppler
Fetatrack 120+ fetal
doppler with FHR
PD1dwr waterbirth
doppler
PD1cv low cost
vascular doppler
PD1v flat probe
vascular doppler
PD1combi fetal /
vascular doppler
V
ascutrack 120
vascular doppler
PD1 / FT120 service manual Issue 3 January 2007
©Ultrasound Technologies Ltd, Lodge Way, Portskewett, Caldicot, South Wales NP26 5PS, United Kingdom.
T [phone] F: [phone] E: [email protected] W: www.doppler.co.uk

Ultrasound Technolo
g
ies Ltd
PD1 / FT120 service manual Issue 3 January 2007
©Ultrasound Technologies Ltd, Lodge Way, Portskewett, Caldicot, South Wales NP26 5PS, United Kingdom.
T [phone] F: [phone] E: [email protected] W: www.doppler.co.uk
Products covered by this service manual
The following products are manufactured by
Ultrasound Technologies ltd,
Lodge Way,
Portskewett,
NP26 5PS,
United Kingdom
Tel:- [phone]
Fax: [phone]
Email: [email protected]
Ultratec PD1 series fetal and vascular dopplers
Rotburg PD1 / PD1+ series fetal dopplers
Sibel PD1/ PD1+ series fetal dopplers
Gima G2000 series fetal dopllers
Gima V2000 seies vascular dopplers
Fetatrack series fetal dopplers
Vascutrack series fetal dopplers

Ultrasound Technolo
g
ies Ltd
CONTENTS
1.
0General Introduction
1.1. 14Introduction
1.2. 15ReOrderInformation
1.3. 16Symbols
1.4. 17CE Marking
1.5. 18Guidelines for identifying and resolving adverse EMC conditions
1.6. 19Specification
2. 1Description of the Instrument
2.1. 20Audio Unit.
2.2. 21Audio Unit
2.3. 22AudioUnit
2.4. 23Dismantling Instructions
2.5. 24AudioUnit
2.6. 25Transducers
3.
2Circuit Description
3.1. 26Introduction
3.2. 27Audio Unit Power Supply
3.3. 28Battery Low Indicator
3.4. 29Ultrasound Transducer
3.5. 30Oscillator and Detector
3.6. 31ReceiverandDetector
3.7. 32AudioAmplifier
3.8. 33VelocityProcessor
4. 3Test and Calibration
4.1. 34Introduction
4.2. 35Performance Checks
4.3. 36TestProcedure
4.4. 37AudioUnit
4.5. 38Transducer
4.6. 39VelocityProcessor
4.7. 40TransducerCalibration
5. 4Fault Finding
5.1. 41Fault Finding Guidelines
6. 5Parts Lists
6.1. 42Audio Unit PCB Assembly
6.2. 43Audio Unit with heart rate PCB Assembly
6.3. 442MHz Transducer assembly
6.4. 45General Assembly
6.5. 46+ units General Assembly
7. 6Drawings and Circuit Diagrams
PD1 / FT120 service manual Issue 3 January 2007
©Ultrasound Technologies Ltd, Lodge Way, Portskewett, Caldicot, South Wales NP26 5PS, United Kingdom.
T [phone] F: [phone] E: [email protected] W: www.doppler.co.uk

Ultrasound Technolo
g
ies Ltd
©Ultrasound Technologies Ltd Page 1 of 32
PD1 / FT120 service manual Issue 3 January 2007
1. 7General Introduction
1.1. 47Introduction
This service manual is written to support the maintenance and repair of the PD1 Series Doppler detectors.
Servicing of this equipment should be performed by a qualified technician, after carefully studying this manual.
The drawings and circuit descriptions in this manual are correct as of the date it was prepared, however, however the Company
reserves the right to make changes to improve the operation of the instrument. If your instrument does not exactly match the
information in this manual, contact the manufacturer or distributor for revision information.
Inspect the instrument upon receipt, in the unlikely event that the unit has been damaged, notify your distributor or Ultrasound
Technologies directly at the following address: -
Ultrasound Technologies Ltd.,
Lodge Way, Portskewett
48 Caldicot, NP26 5PS
South Wales , UK
Telephone: [phone]
FAX: [phone]
49 E-mail: [email protected]
Retain the packing material for possible future use.
Important Note:
In the unlikely event that the instrument must be returned to Ultrasound Technologies for service or for any other reason, use
the same packing material in which the instrument was delivered.
If this is not available, the instrument should be packed in such a way that will provide adequate packing. The Company will not
accept any responsibility for loss or damage due to improper use of packing material.