R.V.R. Elettronica PTRL-NV/2/S3 Bedienungsanleitung

Manufactured by R.V.R. Elettronica - Italy

TECHNICAL AND MAINTENANCE MANUAL

MANUALETECNICOEDIMANUTENZIONE

PTRL-NV/2/S3

PTRL-NV/2/HP/S3

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 2

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

PTRL-NV/2/S3 & PTRL-NV/2/

HP/S3

Stereo Studio Transmitter

Link 1400/2600 MHz

Technical and Maintenance Manual

Manuale Tecnico e di

Manutenzione

English Pag. 3

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 3

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

INDEX

Preliminary Instructions and Warranty Information Pag. 5

Safety Regulations Pag. 7

SECTION 1

General Description Pag. 10

Electrical Specifications (Table A) Pag. 12

Dimensional & Environmental Specifications (Table B) Pag. 14

SECTION 2

Electrical Description Pag. 15

Front Panel View Description Pag. 18

Front Panel View (Fig. 1) Pag. 20

Rear Panel View Description Pag. 21

Rear Panel View (Fig. 2) Pag. 23

Top View Description Pag. 24

Top View (Photo 1) Pag. 25

Bottom View Description Pag. 26

Bottom View (Photo 2) Pag. 27

Block Diagram (Fig. 3) Pag. 28

SECTION 3

Installation Procedure Pag. 29

Recommend Test Equipment (Table C) Pag. 33

SECTION 4

Maintenance Pag. 34

SECTION 5

Calibration Procedure of Modules Pag. 37

SECTION 5

Aligment of the Radio Link Pag. 43

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 4

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

APPENDIX A

Circuit Diagram, Bills of Material and Layouts Pag. 49

Main Card Pag. 50

V.C.O. Card Pag. 58

C.P.U. Pag. 63

Modmeter Card Pag. 73

Anameter Card Pag. 78

Power Supply Pag. 86

1W R.F. Power Amplifier Pag. 97

2W R.F. Power Amplifier Pag. 102

5W R.F. Power Amplifier Pag. 106

Con-PA Card Pag. 111

1W R.F. Power Amplifier's Low Pass Filter Pag. 115

Doubler Pag. 119

Inverter Card Pag. 123

Audio Input Card Pag. 127

Stereo Coder Card Pag. 131

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 5

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

PRELIMINARY INSTRUCTIONS AND WARRANTY INFORMATION

Please observe safety precautions when handling this unit. This equipment

contains dangerous currents and high voltages.

This manual is written as a general guide for those having previous knowledge

and experience with this kind of equipment. It is not intended to contain

a complete statement of all safety warnings which should be observed by

personnel in using this or other elettronic equipment.

R.V.R. doesn't assume responsability for injury or damage resulting from

improper procedures or practices by untrained/unqualified personnel in the

handling of this unit.

Please observe all local codes and fire protection standards in the

operations of this unit.

CAUTION: always disconnect power before opening covers or removing any part

of this unit. Use appropriate grounding procedures to short out capacitors

and high voltage points before servicing.

Any damage to the goods must be reported to the carrier in writing on the

shipment receipt. Any discrepancy or damage discovered subsequent to

delivery, shall be reported to R.V.R. within five (5) days from its receipt.

R.V.R. extends to the original end-user purchaser all original manufacturers

warranties which are transferable and all claims are to be made directly

to R.V.R. per indicated procedures.

All manufacturers warranties will be supported by R.V.R. to ensure precise

and speedy service where possible.

R.V.R. shall not be liable for any damage of whatsoever nature, arising out

of or in connection with the product or its use thereof.

R.V.R.'s warranty shall not include:

a. Re-shipment of the unit to R.V.R. for repair purposes

b. Any unauthorized repair/modification

c. Incidental/consequential damages as a result of any defect

d. Nominal non-incidental defects

e. Re-shipment costs or insurance of the unit or replacement

units/parts

Warranty shall come into force from invoice date and for the period of

the manufactures warranty.

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 6

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

To claim your rights under this warranty:

a. Contact the dealer or distributor where you prchased the unit. Describe

the problem and ask if he has an easy solution. Dealers and Distributors

are supplied with all the information about problems that may occur

and usually they can repair the unit quicker than what the manufacturer

could do. Very often installing errors are discovered by dealers.

b. If your dealer cannot help you, contact R.V.R. in Bologna and explain

the problem. If it is decided to return the unit to the factory, R.V.R.

will mail you a regular authorization with all the necessary

instructions to send back the goods.

c. When you receive the authorization, you can return the unit. Pack it

carefully for the shipment, preferably using the original packing and

seal the package perfectly. The customer always assumes the risks of

loss (i.e., R.V.R. is never responsible for damage or loss), untill

the package reaches R.V.R. premises. For this reason, we suggest you

to insure the goods for the whole value. Shipment must be effected

C.I.F. (PREPAID) to the address specified by R.V.R.'s service manager

on the authorization. DO NOT RETURN UNITS WITHOUT OUR AUTHORIZATION

AS THEY WILL BE REFUSED. Be sure to enclose a written technical report

where mention all the problems found and a copy of your original invoice

establishing the starting date of the warranty.

Replacement and warranty parts may be order from the following address. Be

sure to include the equipment model and serial number as well as part

description and part number.

R.V.R. Elettronica S.r.l. - Broadcasting Equipment -

Via del Fonditore, 2/2c

Zona Roveri

40138 Bologna - Italy

International Phone: +39 - 51 - 6010506

FAX Number: +39 - 51 - 6011104

R.V.R. reserves the right to modify the design and specifications of the

equipment in this manual without previous notice.

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 7

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

WARNING!

The currents and voltages in this equipment are dangerous!

Personnel must at all times observe safety regulation!

This manual is intended as a general guide for trained and qualified

personnel who are aware of the dangers inherent in handling potentially

hazardous electrical and electronic circuits.

It is not intended to contain a complete statement of all safety

precautions which should be observed by personnel in using this or other

electronic equipment.

The installation, operation, maintenance and service of this equipment

involves risks both to personnel and equipment, and must be performed

only by qualified personnel exercising due care.

R.V.R. ELETTRONICA s.r.l. shall not be responsible for injury or damage

resulting from improper procedures or from the use of improperly trained

or inexperienced personnel performing such tasks.

During installation and operation of this equipment, local building codes

and fire protection standards must be observed.

WARNING!

Always disconnect power before opening covers,

doors, enclosures, gates, panels or shields.

Always use grounding sticks and short out high

voltage points before servicing. never make

internal adjustments, perform maintenance or

service when alone or when fatigued.

Do not remove, short-circuit or tamper with interlock switches on access

covers, doors, enclosures, gates, panels or shields.

Keep away from live circuits, know your equipment and don't take chances.

WARNING!

In case of emergency ensure that power has been disconnected

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 8

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

TreatmentofelectricalShock

1) If victim is not responsive follow the A-B-C's of basic life support.

PLACE VICTIM FLAT ON HIS BACK ON A HARD SURFACE

A AIRWAY B BREATHING

IF UNCONSCIOUS, IF NOT BREATHING,

OPEN AIRWAY BEGIN ARTIFICIAL

BREATHING

LIFT UP NECK, TILT HEAD,

PUSH FOREHEAD BACK, PINCH NOSTRILS,

CLEAR OUT MOUTH IF NECESSARY, MAKE AIRTIGHT SEAL,

OBSERVE FOR BREATHING. 4 QUICK FULL BREATHS.

REMEMBER MOUTH TO MOUTH

RESUSCITATION MUST BE

COMMENCED AS SOON AS

POSSIBLE.

C CIRCULATION

CHECK CAROTID PULSE DEPRESS STERNUM 1 1/2" TO 2"

IF PULSE ABSENT, APPROX. 80 SEC. : ONE RESCUER, 15 COMPRESSIONS,

BEGIN ARTIFICIAL 2 QUICK BREATHS.

CIRCULATION APPROX. 60 SEC. : TWO RESCUERS, 5 COMPRESSIONS,

1 BREATH

NOTE: DO NOT INTERRUPT RHYTHM OF COMPRESSIONS

WHEN SECOND PERSON IS GIVING BREATH.

Call for medical assistance as soon as possible.

2) If victim is responsive.

a. Keep them warm.

b. Keep them as quiet as possible.

c. Loosen their clothing (a reclining position is recommended).

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 9

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

FIRST-AID

Personnelengagedintheinstallation,operation,maintenanceor

servicingofthisequipmentareurgedtobecomefamiliarwithfirst-aid

theoryandpractices.Thefollowinginformationisnotintendedtobe

acompletefirst-aidprocedure,itisbriefandisonlytobeusedas

areference.Itisthedutyofallpersonnelusingtheequipmenttobe

preparedto giveadequateEmergencyFirstAidandtherebyprevent

avoidablelossoflife.

Treatment of electrical Burns

1) Extensive burned and broken skin.

a. Cover area with clean sheet or cloth.

(Cleanest available cloth article).

b. Do not break blisters, remove tissue, remove adhered particles

of clothing, or apply any salve or ointment.

c. Treat victim for shock as required.

d. Arrange transportation to a hospital as quickly as possible

e. If arms or legs are affected keep them elevated.

NOTE

If medical help will not be available within an hour and the victim

is conscious and not vomiting, give him a weak solution of salt and

soda: 1 level teaspoonful of salt and 1/2 level teaspoonful of baking

soda to each quart of water (neither hot or cold). Allow victim to sip

slowly about 4 ounces (half a glass) over a period of 15 minutes.

Discontinue fluid if vomiting occurs (Do not give alcohol).

2) Less severe burns - (1st & 2nd degree)

a. Apply cool (not ice cold) compresses using the cleanest available

cloth article.

b. Do not break blisters, remove tissue, remove adhered

particles of clothing, or apply salve or ointment.

c. Apply clean dry dressing if necessary.

d. Treat victim for shock as required.

e. Arrange transportation to a hospital as quickly as possible.

f. If arms or legs are affected keep them elevated.

R.V.R. ELETTRONICA S.r.l. (BO) Pag. 10

PTRLNV/2/S3 and PTRL-NV/2/HP/S3 - Technical and Maintenance Manual

CHAPTER1

GENERAL DESCRIPTION

1.1 MECHANICAL DESCRIPTION

The PTRL-NV/2/S3 (and PTRL-NV/2/HP/S3) is housed in a 3U, 19" rack-

mounting chassis comprising a number of interconnected modules mounted

internally on the base of the unit.

This allows easy removal and replacement of each module.

The power output control, audio output level control and meters for

various operating parameters are situated on the front panel.

Mains power and R.F. output connectors are mounted on the rear panel.

1.2 ELECTRICAL DESCRIPTION

The PTRL-NV/2/S3 (and PTRL-NV/2/HP/S3) is a hight quality,

broadband, FM Stereo transmitter with a standard output power of 1W or

2W (5W for the PTRL-NV/2/HP/S3).

The transmitter is microprocessor-controlled and synthesized with steps

of 100KHz in the 1400-2600 MHz band.

The operating frequency is governed by a thermally compensated reference

oscillator working within a phase locked loop (PLL).

The transmitter incorporates a stereo coder with an excellent stereo

separation and a low level of harmonic distorsion, and provides the input

for two SCA (RDS) signals.

A front switch allows operations in "STEREO" or "MONO/MPX"; in the latter,

the coder is excluded and the "RIGHT" input is used as a "MONO" input,

the "LEFT" input as a "WIDEBAND COMPOSITE INPUT". The low intermodulation

and distorsion values (typ. 0.03%) aand the high signal to noise ratio

(typ. 80 dB) are the main features of this coder.

The transmitter will attain frequency lock within a maximum of 30 seconds.

The operating bands is 50MHz depending upon the application.

The final stage is fully protected against any level of VSWR. Furthermore,

a 15 KHz low-pass filter is provided which may be inserted in the mono

or MPX input.

1.3 METERS AND INDICATORS

The transmitter's operating parameters can be measured with the

analog multimeter (17 Fig.1) and the led bar-graph display (3 Fig.1)

situated on the front panel.

The measurament being made by the analog multimeter is indicated by a

led indicator (14 Fig.1) and selectable via the corresponding control

(13 Fig.1).

Peak deviation can be measured with the bar-graph display (3 Fig.1) with

a resolution of 5%.

The five-figure display (12 Fig.1), mounted centrally, indicates the

operating frequency selected by the UP (11 Fig.1) and DOWN (8 Fig.1)

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