R.V.R. Elettronica RXRL-NV User manual

TECHNICAL AND MAINTENANCE MANUAL
MANUALE TECNICO E DI MANUTENZIONE
Manufactured by R.V.R. Elettronica - Italy
RXRL-NV

RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 2
RXRL-NV
STUDIO TRANSMITTER LINK 200/
1100MHz
Technical and Maintenance Manual
Manuale Tecnico e di Manutenzione
English Pag. 3
Italiano Pag. 49

RXRL-NV 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
Technical Specifications (Table A) Pag. 12
Dimensional & Environmental Specifications (Table B) Pag. 13
CHAPTER 2
Electrical Description Pag. 14
Front Panel View Description Pag. 17
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
Block Diagram (Fig.3) Pag. 26
CHAPTER 3
Installation Procedures Pag. 27
Recommended Test Equipment (Table C) Pag. 30
CHAPTER 4
Maintenance Pag. 31
CHAPTER 5
Calibration Procedure of Modules Pag. 35
CHAPTER 6
Alignement of the Radio Link Pag. 43
APPENDIX A
Circuit Diagrams, Layouts and Bill of Meterials Pag. 95

RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 4
Card Connections Pag. 96
Power Supply Pag. 97
Muting Card Pag. 102
C.P.U. Pag. 106
Modmeter Card Pag. 116
Anameter Card Pag. 121
P.L.L. Card Pag. 129
V.C.O. Card Pag. 141
I.F. 70MHz Card Pag. 146
Front End & Mixer Pag. 152
Inverter Card Pag. 159
U.S.A. Input Audio Card (Optional) Pag. 163
Mono-Balanced Card (Optional) Pag. 167

RXRL-NV Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 5
PRELIMINARY INSTRUCTIONS AND WARRANTY INFORMATION
WARNING: This equipment is a "CLASS A" equipment. In a residential place
this equipment can cause hash. In this case can be requested to user to
take the necessary measures.
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 Technical and Maintenance Manual
R.V.R. Elettronica S.r.l. (Bo) Pag. 6
The warranty for a period of 12 months is referred to any R.V.R. product,
while for products as transistors, Mos-Fet and tubes of the final stages
is applied the manufacture's warranty of these devices.
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
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),
until 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
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 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 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 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).

RXRL-NV 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 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 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. Monitoral Output, R.F. input connectors are mounted
on the rear panel.
1.2 ELECTRICAL DESCRIPTION
The RXRL-NV is a hight quality, broadband, FM receiver with a
harmonic distortion better than 0.2%.
The receiver is microprocessor-controlled and synthesized with steps of
100KHz in the 200-1100MHz band.
Furthermore, a 15Hz low-pass filter is provided which may be inserted
in the MONO or MPX 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 measurament 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
5KHz.
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 FREQUENCY CONTROL
The RXRL-NV attains frequency lock within a maximum of 30 seconds
after power-up.
An optional serial port (9 pin D-type) is available allowing remote
control of operating frequency and audio muting.