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VA

elektronik

Sams elektronik d.o.o. • sams@sams.rs • www.sams.rs

2

Distribution amplifiers

Dear User,

Thank you very much for purchasing our product.

Your purchase is a wise investment. The equipment you have purchased is manufactured with great care from 

high-quality parts and materials. It is designed to fully meet the needs according to specifications, if properly 

installed, used and maintained according to the enclosed instructions.

Any  technical  failure  or  deficiency  that  occurs  during  the  warranty  period  specified  on  the  invoice  of  the 

purchased equipment will be inspected and serviced by Sams elektronik doo or an authorized service center of 

the manufacturer, with the conditions set out in the warranty statement.

THIS DEVICE IS INTENDED FOR PROFESSIONAL USE.

WARRANTY STATEMENT

1.  Product has declared characteristics. Within the warranty period, manufacturer ensures the removal of 

technical failures, product defects or replacement of products if declared characteristics of the product are 

changed.

2.  If the goods are not delivered as specified with the contract, the consumer has the right to request from the 

manufacturer / service provider to eliminate the lack of conformity, without charge, repair or replacement, 

or to request an appropriate price reduction or terminate the contract.

3.  Any repair or replacement must be made within a reasonable time without significant inconvenience to 

the consumer, taking into account the nature and the purpose for which the consumer has purchased the 

product.

4.  The consumer has the right to terminate the contract, if he can realize the right to repair or replacement, 

or if the manufacturer / servicer has not completed repair or replacement within a reasonable time or if 

the manufacturer / servicer did not perform repair or replacement without significant inconvenience to the 

consumer.

5.  The consumer may not terminate the contract if the lack of conformity of the product is negligible.

6.  The product will function properly when used in accordance with the user manual.

7.  Period of servicing the product is 6 years from the launch on the market.

The product purchased outside the territory of Serbia does not fall under the terms of this warranty, only to 1 

year factory warranty from date of purchase.

TERMS OF WARRANTY

1.  The warranty period begins on the date of sale referred in the invoice.

2.  The  buyer  loses  the  right  to  warranty  if  the  defect  cause  failure  from  not  following  the  user  manual 

instructions, improper installation, comes to mechanical damage during use, repairs and modifications by 

unauthorized persons, installation of non-genuine spare parts, and if the buyer does not comply with all 

warnings listed in the user manual.

3.  The warranty is voided if the device is damaged during the disturbances from the environment, natural 

disasters (floods, hail, etc.), suffered an electric shock or lightning strike.

IMPORTANT NOTES

1.  Be sure to thoroughly read the user manual. 

 

If you have any doubts about the instructions, contact the technical support of the manufacturer.

2.  Before contacting for technical help, please make sure that are provided with all necessary conditions for 

normal operation.

3.  If the malfunction or defect in the device does not eliminate within a reasonable time from the date of 

failure, the warranty period shall be extended for as many days as the unit is in service.

4.  For all maintenance interventions shall solely be authorized services listed in this Warranty Certificate.

WARRANTY

Summary of Contents for VA-212eq(m)

Page 1: ...d 22 may 2013 Updated 27 october 2014 Z10 3 edition 1 Code 007 247 007 243 007 244 007 245 007 246 ENGLISH Sams elektronik d o o 48 Zivka Davidovica st 11050 Belgrade Serbia Tel Fax 381 11 3806 253 381 11 2402 212 sams sams rs www sams rs USER MANUAL FOR USE AND MAINTENANCE Read the instructions before using the device Keep this manual for periodic usage ...

Page 2: ...ufacturer servicer has not completed repair or replacement within a reasonable time or if the manufacturer servicer did not perform repair or replacement without significant inconvenience to the consumer 5 The consumer may not terminate the contract if the lack of conformity of the product is negligible 6 The product will function properly when used in accordance with the user manual 7 Period of s...

Page 3: ...of high voltage In poor conditions the user may be exposed to shock The symbol exclamation mark in a triangle is to alert the user to comply by the terms of use in user s manual which is supplied with the device SAFETY WARNINGS ELECTRICAL SHOCK HAZARD DO N OT O PEN CAUTION RIZIK OD S TRUJNOG UDARA NE O TVARATI DOK JE P OD N APONOM UPOZORENJE CLASS I DEVICE Grounding is connected to the chassis of ...

Page 4: ... device is equipped with a protective fuse in the power outlet Do not bypass fuse 12 Do not replace the fuse Replacement can be made by a person authorized by the manufacturer 13 Do not bend the power cord so that it can be damaged 14 Connect connectors as in the enclosed instructions Deviations from the allowed values predicted for the inputs and outputs of the device can cause severe damage and ...

Page 5: ...www sams rs elektronik 5 Distribution amplifiers UNPACKING AND INSTALLATION 6 MAINTENANCE 6 REMOVAL AND STORAGE 6 DESCRIPTION 7 INSTALLATION 12 ADJUSTMENT 13 REMARKS 14 ACCESS TO ADJUST TRIMMER 14 NOTES 14 Page Description TABLE OF CONTENTS ...

Page 6: ...5 The device must be stored in a room without moisture The system maintains only person authorized by Sams elektronik doo Any voluntarily opening device upgrading or servicing is strictly prohibited and is subject to warranty void and the possibility of injury Places for fastening PROCEDURES FOR SAFE USE OF THE DEVICE 1 Remove the protective wrap from the chassis For devices that are AC 230V 50Hz ...

Page 7: ...1V p p nominal Input Impedance 75Ω loop trough differential OUTPUT Number 2 BNC Level 1V p p nominal Impedance 75Ω PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV BLOCK DIAGRAM ORDERING INFORMATION Code Name Description 007 243 VA 212eq Analog video DA 2x 1x2 Specifications and designs are subject t...

Page 8: ...minal Input Impedance 75Ω loop trough differential OUTPUT Number 2 BNC Level 1V p p nominal Impedance 75Ω PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV BLOCK DIAGRAM ORDERING INFORMATION Code Name Description 007 201 VA 212eqm Analog video DA 2x 1x2 mini Specifications and designs are subject to c...

Page 9: ... nominal Input Impedance 75Ω loop trough differential OUTPUT Number 2 BNC Level 1V p p nominal Impedance 75Ω PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV BLOCK DIAGRAM ORDERING INFORMATION Code Name Description 007 244 VA 412eq Analog video DA 4x 1x2 Specifications and designs are subject to chan...

Page 10: ... nominal Input Impedance 75Ω loop trough differential OUTPUT Number 2 BNC Level 1V p p nominal Impedance 75Ω PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV BLOCK DIAGRAM ORDERING INFORMATION Code Name Description 007 245 VA 612eq Analog video DA 6x 1x2 Specifications and designs are subject to chan...

Page 11: ... nominal Input Impedance 75Ω loop trough differential OUTPUT Number 2 BNC Level 1V p p nominal Impedance 75Ω PERFORMANCE Gain 3dB do 3dB Gain stability 0 1dB Frequency response 0 1dB 50Hz do 8MHz Equalization range 0 300m Belden 8281 Clamping accuracy 30mV BLOCK DIAGRAM ORDERING INFORMATION Code Name Description 007 246 VA 812eq Analog video DA 8x 1x2 Specifications and designs are subject to chan...

Page 12: ...TI DOK JE POD NAPONOM UPOZORENJE USE ONLY WITH A 250V FUSE 8x 1x2 CVBS distribution amplifier with EQ VA 812eq www sams rs GAIN EQ 1 GAIN EQ 2 POWER GAIN EQ 3 GAIN EQ 4 POWER GAIN EQ 5 GAIN EQ 6 POWER GAIN EQ 7 GAIN EQ 8 POWER GAIN EQ 1 GAIN EQ 2 POWER FUSE 500mA AC 230V 50Hz www sams rs Made in Serbia VA 212eqm CODE 007 247 SN RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION RIZIK OD STRUJNOG UDARA NE ...

Page 13: ...art test 75 Color bar Using a measuring instrument note whether there is a deviation Slowly turn the GAIN potentiometer to adjust the signal level at 1V p p 2 EQ is the process of adjusting the balance between the levels of different frequencies in the video signal Due to the length of the cable it will weaken the level of higher frequencies Start Multiburst test Using a measuring instrument note ...

Page 14: ...in the panel It can be adjusted by turning the trimmer ACCESS TO ADJUST TRIMMER REMARKS Loop must be closed with 75Ω terminator if not used Loop is used to pass incoming signal back into the system without adjustment All corrections levels and EQ of signal relating only on outputs Loop is not used Loop is used 75Ω terminator NOTES ...

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