R.V.R. Elettronica PTX30 UHT/S3 User manual

Manifactured by Italy
PTX30 UHT /S3
User Manual

PTX30UHT/S3-UserManual
Version 5.0
© Copyright 1993-2001
R.V.R.Elettronica SpA
Via del Fonditore 2/2c - 40138 - Bologna (Italia)
Telefono: [phone]
Fax: [phone]
Email: [e-mail]
Web: www.rvr.it
Allrightsreserved.
PrintedandboundinItaly. No partofthismanualmaybereproduced,
memorized or transmitted in any form or by any means, electronic or
mechanic, including photocopying, recording or by any information
storageandretrievalsystem,withoutwrittenpermissionofthecopyright
owner.
File name: capitoli_en.p65
Version: 5.0
Date: 10/12/2001
Revision History
5.0 10/12/2001 New version J. Berti
Version Date Reason Editor

Notification of intended purpose and limitations of product use
Thisproductis a FM transmitter intended forFMaudio broadcasting. It utilises
operatingfrequenciesnotharmonisedintheintendedcountriesofuse.
Theusermustobtainalicensebeforeusingtheproductinintendedcountryof
use.Ensurerespectivecountrylicensingrequirementsarecompliedwith.
Limitationsof use canapplyinrespectofoperating freuency, transmitter power
and/orchannelspacing.
Declaration of Conformity
Hereby,R.V.R.Elettronica SpA,declares that this FM transmitter is in
compliancewiththeessentialrequirementsandotherrelevantprovisionsof
Directive 1999/5/EC.

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PTX30 UHT /S3
i User Manual Rev. 5.0 - 10/12/2001
Table of Contents
1. Preliminary Instructions 1
2. Warranty 3
3. First Aid 5
3.1 Treating electric shocks 5
3.2 Treating electric burns 6
4. General Description 7
5. Quick Start 9
5.1 Preparation 9
5.2 Operation 10
6 External Description 15
6.1 Front Panel 15
6.2 Rear panel 17
6.3 Connectors description 18
7. Technical Specifications 19
7.1 Mechanical Specifications 19
7.2 Electrical Specifications 19
8. Identification and access to the modules 21
8.1 Modules identification (upper view) 21
8.2 Modules identification (bottom view) 22
8.3 Access to the modules 23
9. Working principles 27
9.1 Power supply 27
9.2 Audio input card 28
9.3 Coder mixer 28
9.4 Main card 29
9.5 R.F. power amplifier 29
9.6 Modmeter 30
9.7 Anameter 30
9.8 CPU 31
10. Adjustment Procedure 33
10.1 Stereo coder adjustment 33
10.2 Main card adjustment 34
10.3 Modmeter adjustment 34
10.4 Power supply adjustment 35
10.5 R.F. Power amplifier adjustment 35
10.6 Audio input card adjustment 35
10.7 CPU adjustment 35
10.8 Anameter adjustment 36
Appendix:
Component layouts, schematics, bills of material

PTX30 UHT /S3
ii User ManualRev. 5.0 - 10/12/2001
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PTX30 UHT /S3
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1. Preliminary Instructions
This manual is designed to provide a general guide to skilled and qualified
personnel, who are aware of the dangers that may arise when handling electric
and electronic circuits.
It does not aim to provide a complete description of all the safety precautions that
must be observed by people who use this or similar equipment.
Theinstallation,operation, maintenanceanduse of thispieceof equipmentinvolve
risks both for people and the equipment itself, which must be handled only by
experienced technicians.
R.V.R. Elettronica SpA does not assume responsibility for injuries to persons or
damage to items caused by improper use or incorrect usage procedures, whether
the users are experienced or not.
Users should observe local regulations and fire-prevention rules while installing
and using this equipment.
WARNING: always disconnect the power before opening covers or removing any
part of the equipment.
Takeappropriateearthing measures todischargethe condensers andhighvoltage
points before doing any maintenance work.
WARNING: this equipment may radiate radio-frequency energy, and if it is not
installed according to the instructions, may cause troublesome interference to
radio communications.
Operating this equipment in a residential environment may give rise to radio
disturbance; if so, the user may be asked to take appropriate counter measures.
R.V.R. Elettronica SpA reserves the right to make modifications to the design
and technical specifications of the equipment, and to update this manual without
notice.

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2 / 36 User ManualRev. 5.0 - 10/12/2001
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PTX30 UHT /S3
3 / 36 User Manual Rev. 5.0 - 10/12/2001
2. Warranty
The guarantee, which is for 12 (twelve) months, is valid for any R.V.R. Elettronica
product.
On components such as tubes for final amplifiers, the manufacturer’s guarantee
applies.
R.V.R. Elettronica extends all transferable original guarantees to its own products.
To ensure that servicing is carried out properly and as fast as possible, the work
shallbehandled by R.V.R.Elettronica;any claims should besentdirectlyto R.V.R.
Elettronica, in accordance with the defined procedures.
The warranty does not include:
1 damage while the equipment is being shipped to R.V.R. for repairs;
2 any unauthorized modification or repair;
3 accidental damage, or damage not due to defects in the equipment;
4 nominal damage not accidental;
5 shipping the equipment and insuring it, and replacement of parts or units.
Any damage to the equipment caused during shipment must be reported to the
transporters and notified in writing on the forwarding receipt.
Any difference or damage discovered after delivery must be reported to R.V.R.
Elettronica within 5 (five) days from the delivery date.
To take advantage of the guarantee, adopt the following procedure:
1 Contact the retailer or dealer where you bought the equipment; describe the
problem or fault to check if there is a simple solution.
Retailers and Distributors can provide full information on the problems that
occur most frequently; they can normally repair the equipment much faster
than the manufacturer
2 If your dealer cannot help you, contact R.V.R. Elettronica and describe the
problemtothem;if necessary, you will besentauthorizationwith the necessary
instructions;
3 When you have received authorisation, return the equipment carriage paid to
the address specified.
Pack it carefully, if possible in the original packing, and seal the package.
Donotreturn the machine withoutpriorauthorization,otherwise it maybereturned
to you
4 Quote the machine’s type, model and serial number; attach a written technical
diagnosis listing all the problems and faults encountered, and enclose a copy
of the invoice.

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Replacement of parts under guarantee or spare parts can be ordered from the
following address:
R.V.R. Elettronica SpA
Via del Fonditore, 2/2c
40138 BOLOGNA
ITALY
Tel. [phone]
quoting type, model and serial number of the device.