Metron AP-100 Service manual

Metron Medical Australia Pty Ltd

A.C.N.050 240 527

P.O. Box 2164,

57 Aster Avenue

Carrum Downs Victoria Australia 3201

Tel: [phone] Fax: [phone]
Int: 61 3 9775 1234 Int: 61 3 9775 1990

TECHNICAL MANUAL

METRON ACCUSONIC PLUS

ULTRASOUND THERAPY UNIT

MODEL AP 100

Prepared by

Metron Medical Australia P/L

Version 1.6 March 2002

Metron Accusonic Plus

Metron Medical Australia Pty Ltd

A.C.N.050 240 527

P.O. Box 2164,

57 Aster Avenue

Carrum Downs Victoria Australia 3201

Tel: [phone] Fax: [phone]
Int: 61 3 9775 1234 Int: 61 3 9775 1990

EC DECLARATION OF CONFORMITY

Metron Medical Australia Pty Ltd
57 Aster Avenue
Carrum Downs, Australia, 3201

declares that the medical devices described hereafter:

Metron Accusonic Plus Ultrasound Therapy Unit

Model: AP 100

is in conformity with the essential requirements and provisions of Council Directive
93/42/EEC

is subject to the procedure set out in Annex II of Directive 93/42/EEC under the
supervision of Notified Body Number 0120, SGS Yarsley International Certification
Services Ltd, Portland Road, East Grimstead, W Sussex RH19 4ET.

Melbourne, 23 August 1999

R. H. Hopkins

Technical Director

On Behalf Of

Metron Medical Australia Pty Ltd

__________________________________________________________________

Version: 1.6 March 2002

Metron Accusonic Plus

0120

The Metron Accusonic Plus Ultrasound Therapy Unit bears the above marking in
accordance with the requirements of Council Directive 93/42/EEC.

Should you as the user of this technical manual wish to make any comment about the
product or this manual our Authorised Representative within the European Union may
be contacted as follows:

Metron Medical
Attention: Mrs Sue Marks
P.O. Box 5399
Southend-On-Sea

ESSEX SS1 3RY UNITED KINGDOM

__________________________________________________________

Version: 1.6 March 2002

Metron________________________________________Accusonic Plus

CONTENTS

Section Page

1. Specifications .............................................................................................. 1

2. Introduction .................................................................................................. 4

3. Schematic Diagram Descriptions ............................................................ 6

3.1 Printed Circuit Board ...................................................................... 6

3.1.1 Main Power Supply............................................................. 6

3.1.2 Oscillator, Output Stage & Contact Sense ..................... 6

3.1.3 Microcontroller...................................................................... 6

3.1.4 Displays & Drivers ............................................................... 7

3.2 Ultrasonic Treatment Applicator/s ................................................ 7

4. Preventative Maintenance / Quality Assurance....................................... 8

4.1 Calibration and Adjustment ............................................................ 8

4.1.1 Equipment Required ............................................................ 8

4.1.2 Calibration Procedure ......................................................... 8

4.2 Electrical Safety Inspection ............................................................. 9

4.3 Disassembling/Assembling the Unit ............................................. 9

5. Schematic Diagrams ................................................................................... 10

5.1 Main Circuit Board Layout .............................................................. 10

5.2Main Circuit Board Schematic Diagram ...................................... 11

5.3 Treatment Head Circuit Board Schematic Diagram .................. 12

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Version 1.6 March 2002

Metron Accusonic Plus

1. SPECIFICATIONS

MAINS SUPPLY REQUIREMENTS:

Voltage 110 - 120 Volts AC or

220 - 240 Volts AC
Frequency 50/60 Hz
Power 75VA Maximum

FUSES:

Primary external 2 of 1A 5 X 20 mm DA205
Internal Fuse 1 of 4A 5x20mm DA205

POWER SUPPLY:

Integrated switchmode power supply complying with IEC 601-1: 1988 and
amendments.

Secondary Voltages 24 Volts DC @ 2.7A

ULTRASOUND OUTPUT - 1 MHz:

Frequency 1.1 MHz +/- 10%

2

Output Intensity, Continuous Mode 3.0 Watts/cm

+/- 20% Maximum

Power/Intensity Display Accurate to +/- 20% of reading for

outputs in excess of 0.2 Watts/cm
Effective Radiating Area 5.0 square cms +/- 20%.

ULTRASOUND OUTPUT - 3 MHz:

Frequency 3.3 MHz +/- 10%

2

.

2

Output power in continuous mode 3.0 Watts/cm

+/- 10% maximum

(Equivalent to 2.4 watts absolute for the

1cm head)

2

1.6 Watts/cm

+/- 10% maximum

(Equivalent to 8.0 watts absolute for the

2.5 cm head)

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