R.V.R. Elettronica RXRL-NV/2 Bedienungsanleitung

Manufactured by R.V.R. Elettronica - Italy

TECHNICAL AND MAINTENANCE MANUAL

MANUALE TECNICO E DI MANUTENZIONE

RXRL-NV/2

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 2

RXRL-NV/2

Studio Receiver Link 1400-

2600 MHz

Technical and Maintenance Manual

Manuale Tecnico e di Manutenzione

English Pag. 3

Italiano Pag. 47

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 3

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. 13

SECTION 2

Electrical Description Pag. 14

Front Panel View Description Pag. 17

Front Panel View (Fig.1) Pag. 19

Rear Panel View Description Pag. 20

Rear Panel View (Fig.2) Pag. 21

Top View Description Pag. 22

Top View (Fig.3) Pag. 23

Block Diagram (Fig.4) Pag. 24

SECTION 3

Installation Procedures Pag. 25

Recommended Test Equipment (Table C) Pag. 28

SECTION 4

Maintenance Pag. 29

SECTION 5

Internal Adjustments Pag. 34

SECTION 6

Alignment of the Radio Link Pag. 41

APPENDIX A

Circuit Diagrams, Layouts and Bill of Material Pag. 92

Wiring Diagram Pag. 93

Power Supply Pag. 94

Muting Card Pag. 98

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 4

C.P.U. Pag. 102

Modmeter Card Pag. 111

Anameter Card Pag. 116

Audio Process Card Pag. 124

P.L.L. Card Pag. 130

V.C.O. Pag. 135

I.F. 70MHz Card (I.F. 10.7MHz) Pag. 140

Front-End & Mixer Pag. 146

Doubler Pag. 151

Inverter Card (Optional) Pag. 155

U.S.A. Audio Output Card (Optional) Pag. 159

Mono-Balance Card (Optional) Pag. 163

Stereo Decoder Card (Optional) Pag. 167

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 5

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 electronic equipment.

R.V.R. doesn’t assume responsibility 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:

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

2) Any unauthorized repair/modification

3) Incidental/consequential damages as a result of any defect

4) Nominal non-incidental defects

5) 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.

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 6

To claim your rights under this warranty:

a. Contact the dealer or distributor where you purchased the unit.

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

and Distributors are supplied with all the information about prob-

lems 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),

until the package reaches R.V.R. premises. For this reason, we sug-

gest 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 ser-

vice 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

40138 Bologna - Italy

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

equipment in this manual without previous notice.

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 7

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

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 8

Treatment of electrical Shock

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 COMPRES-

SIONS 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).

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 9

FIRST-AID

Personnel engaged in the installation, operation,

maintenance or servicing of this equipment are urged

to become familiar with first-aid theory and practices.

The following information is not intended to be a

complete first-aid procedure, it is brief and is only

to be used as a reference. It is the duty of all

personnel using the equipment to be prepared to give

adequate Emergency First Aid and thereby prevent

avoidable loss of life.

Treatment of electrical Burns

1) Extensive burned and broken skin.

a. Cover area with clean sheet or cloth.

(Cleansed 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 cleansed 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.

RXRL-NV/2 Technical and Maintenance Manual

R.V.R. Elettronica S.r.l. (Bo) Pag. 10

SECTION 1

GENERAL DESCRIPTION

1.1 MECHANICAL DESCRIPTION

The RXRL-NV/2 is housed in a 2U, 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 audio output level controls (Mono and Stereo) and meters for various

operating parameters are situated on the front panel.

Mains power, II° I.F. Monitorial Output and R.F. input connectors are mounted

on the rear panel.

1.2 ELECTRICAL DESCRIPTION

The RXRL-NV/2 is a high quality, broadband, FM receiver with a harmonic

distortion better than 0.3%.

The receiver is microprocessor-controlled and synthesized with steps of 100KHz

in the 1400-2600MHz band.

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

MPX output (always setted on Mono output).

1.3 METERS AND INDICATORS

The receiver’s operating parameters can be measured with the analog

multimeter (21 Fig.1) and the led bar-graph display (18 Fig.1) situated on

the front panel.

The measurement being made by the analog multimeter is indicated by a led

indicator (8 Fig.1) and selectable via the corresponding control

(20 Fig.1).

Peak deviation can be measured with the bar-graph display in steps of 6.6KHz.

The five-figure display (22 Fig.1), mounted centrally, indicates the operating

frequency selected by the UP (14 Fig.1) and DOWN (12 Fig.1) controls and

saveable with the ENTER (13 Fig.1) control.

Three leds provide indication of VCO locked (10 Fig.1), the presence of a stereo

signal (9 Fig.1) and the presence of an SCA signal (11 Fig.1) if the optional

decoder is fitted.

1.4 REMOTE CONTROL (OPTIONAL)

In this equipment an optional serial port (9 pin D-type) is available

allowing remote control of operating frequency and audio muting.

1.5 SPECIFICATIONS

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