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    microBrute Modulator 

                                                                         

 

 

 May 2010, Rev 1

 

− 13 − 

© 2010 Eastern Voltage Research, LLC 

microBrute Modulator Instruction Manual 

Terms and Conditions of Sale  

Privacy 

We do not provide any information to anyone for any reason.  

Shipping 

We  will  make  every  attempt  to  ship  all  orders  received  within  48  hours  of  order  receipt  with  the  exception  of  custom  ordered 
components and / or kits. This excludes weekends and holidays. Regular ground service is handled via USPS or UPS. Backorders - all 
partial shipment backorders will be shipped via regular ground service at our expense.  

International Orders 

All  foreign  orders  are  shipped  via  USPS  International  Priority  service  unless  otherwise  noted.  You  are  wholly  responsible  for  any 
custom duties, brokerage fees, import restrictions, etc... that are imposed after the sale.  

Order Cancellations 

Before you submit  your  order, please make sure  you really want it. Once  we have begun processing an order, a 25% restocking  fee 
will be applied, prior to any refund. If you do not agree with this policy, please do not order.  

Legal Status of Products 

It is the responsibility of the Buyer (not Eastern Voltage Research, LLC) to ascertain and obey all applicable local, state, and federal 
laws in regard to the possession and the use of any item or kit that is offered for sale. Consult your attorney regarding local, state, and 
federal laws prior to ordering. By placing an order, the buyer represents that he / she is of legal age and that the products will be used 
only in a lawful manner. 

Electronics Kit Limit of Liability 

Our  range  of  electronics  kits  are  intended  for  educational  and  demonstration  purposes  only.  They  are  not  intended  for  use  in 
commercial applications. If they are used in such applications, the purchaser assumes all responsibility for ensuring compliance with 
local  laws.  When  a  product  is  supplied  in  kit  form  and  assembly  or  construction  has  commenced  or  the  inner  component  packages 
have  been  opened,  we  are  unable  to  offer  any  form  of  refund,  replacement,  exchange,  or  free  repair.  This  is  because  we  cannot 
guarantee the labor you provide and components can be damaged during assembly. Component packages should be  checked against 
the components list supplied and any shortages or damaged components must be advised to us within 7 days of delivery date to ensure 
free component replacement.  

It is recommended that if a kit builder does not have enough knowledge to diagnose faults, that the project should not be started unless 
assistance  can  be  obtained. (Unfortunately, an improperly installed  component or  bad  solder  joint  or  wiring  mistake  can take  many 
hours to diagnose and at normal service rates, the service charge could well be more than the total cost of the electronics kit.) 

Mains Powered Projects 

To ensure your safety, please observe these safety measures. In no way are these complete. As safety requirements vary, please check 
with your local authorities, in order to comply with local requirements. If in doubt, seek the help of a qualified person.  

Due  to  their  nature  and  function,  some  electronics  kits  require  MAINS  power  (115VAC)  to  be  connected  directly  to  the  Printed 
Circuit  Board  (PCB).  Extreme  care  should  be  taken  when  assembling  and  testing  these  kits.  MAINS  power  must  be  treated  very 
carefully. It is strongly recommended that you have previous experience of working with MAINS power equipment and / or circuits 
prior to attempting assembly of these kits. MAINS power can cause serious injury or death and must therefore be treated with extreme 
CAUTION. Construction, testing, and use of these kits should only be attempted by competent persons, and / or under the supervision 
of someone fully experienced in this field.  

To  ensure  electrical  safety,  and  also  protection  from  fire  or  personal  injury,  make  sure  your  MAINS  operated  equipment  complies 
with the safety recommendations below: 

  

- Use a suitable non-conductive enclosure (wood, plastic, etc...) If you use a metal enclosure, be sure that the enclosure is 
properly 

grounded 

to 

earth 

ground. 

- Use a power switch for any device that consumes more than 10W of power. A double throw switch should be utilized for 
MAINS 

operated, 

transformer-less 

connections. 

fuse 

should 

be 

utilized 

in 

series 

with 

the 

MAINS 

switch. 

- Use a suitable MAINS input connector, and / or a UL three-conductor power cord which is clamped to your enclosure. 
- Use properly insulated and sized wire when making any MAINS power connections inside an enclosure.  

We accept no responsibility for injury, loss, or damage of any kind as a result of the purchase, assembly, or use of any of our products.  

Limitation of Liability 

The Customer  will be responsible  for  ensuring  the  fitness  for  purpose  of the Goods  for the Customer's application. Eastern  Voltage 
Research,  LLC  accepts  no  liability  whatsoever  or  howsoever  arising  in  respect  to  loss,  damage,  or  expense  arising  from  errors  in 
information, or advice provided whether or not due to Eastern Voltage Research, LLC's negligence or that of its employees, agents, or 
sub-contractors  save  for  any  loss  or  damage  arising  from  personal  injury.  Eastern  Voltage  Research,  LLC  shall  not  be  liable  to  the 
Customer  by  reason  of  any  representation  (unless  fraudulent),  or  any  implied  warranty,  condition  or  other  term,  or  any  duty  at 

Содержание microBrute

Страница 1: ...Voltage Research LLC microBrute Modulator Instruction Manual m mi ic cr ro oB Br ru ut te e M Mo od du ul la at to or r I In ns st tr ru uc ct ti io on n M Ma an nu ua al l E Ea as st te er rn n V Vo...

Страница 2: ...and kit building skills the kit is next to fail safe Please read this manual in its entirety before building testing or operating your kit Circuit Description The microBrute Modulator utilize two 555...

Страница 3: ...onent is placed flat to the board and the leads are bent on the backside of the board to prevent the part from falling out before soldering The part is then soldered securely to the board and the rema...

Страница 4: ...low R7 1 100k Panel Mount Potentiometer R3 1 10k Panel Mount Potentiometer R5 CAPACITORS 3 0 1uF Capacitor C1 C2 C5 1 0 015uF Capacitor C7 3 0 01uF Capacitor C3 C4 C6 DIODES 1 Diode 1N4002 CR1 1 LED r...

Страница 5: ...microBrute Modulator May 2010 Rev 1 5 2010 Eastern Voltage Research LLC microBrute Modulator Instruction Manual microBrute Modulator Component Layout Diagram...

Страница 6: ...s seriously when we say that good soldering is the key to the proper operation of your circuit Use a 25W soldering pencil with a clean sharp tip DO NOT USE a high power soldering gun such as those tri...

Страница 7: ...end MUST be oriented as shown on the PCB layout 16 Install U2 555 Timer The 555 Timer IC may be soldered directly to the PCB without worry but you may use an 8 pin DIP socket your own if you prefer U...

Страница 8: ...ow for the RCA connector J1 Be sure not to drill in a location that will interfere with the internal stand off 20 First use rubbing alcohol to clean the top surface of the enclosure where the control...

Страница 9: ...r and nut Be sure not to overtighten the nut as you may damage the potentiometer 25 Connect BAT1 and SW1 to the PC board as shown in the figure below Be sure to ensure proper polarity during connectio...

Страница 10: ...microBrute Modulator May 2010 Rev 1 10 2010 Eastern Voltage Research LLC microBrute Modulator Instruction Manual...

Страница 11: ...ct the 9V battery to the battery connector and turn the power switch ON Using a multimeter verify the voltages below Check Component Measuring Point Voltage U1 Pin 8 Vcc 9V 0 5V U1 Pin 4 Reset 9V 0 5V...

Страница 12: ...e sincerely hope that you have enjoyed the construction of this Eastern Voltage Research Kit As always we have tried to write this instruction manual in the easiest most user friendly format that is p...

Страница 13: ...roperly installed component or bad solder joint or wiring mistake can take many hours to diagnose and at normal service rates the service charge could well be more than the total cost of the electroni...

Страница 14: ...ell us We re all human and in most cases replacement parts are very reasonably priced Power Semiconductors Due to the nature of the kits we cannot offer any warranty or replacement for defective or da...

Страница 15: ...email The items must be returned to use insured against damage in transit at the customer s expense and received by us in original condition with all product packaging documentation and a copy of the...

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