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TELEVISION
TRANSMITTER KIT
Ramsey Electronics Model No.
Don't string cables through the house! Transmit your
VCR or camera signal to any nearby TV set with great
audio and video quality. You can be the program
manager of your own Mini-TV station!
Typical uses of the TV transmitter:
•
Watching one VCR from anywhere in the house
•
Using the camcorder camera to watch remote areas
•
Hidden camera fun
•
Home TV station
•
Student TV station
The Ramsey TV6 transmitter features:
•
Runs on 12 to 15 volts DC
•
On-board whip antenna
•
Stable output adjustable to channels 3 - 6
•
Clear, concise step-by-step instructions
•
Video and Audio inputs compatible with any VCR or TV camera
TV6 • 1
TV6
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Related Manuals for Ramsey Electronics TV6
Summary of Contents for Ramsey Electronics TV6
- Page 1 Using the camcorder camera to watch remote areas • Hidden camera fun • Home TV station • Student TV station The Ramsey TV6 transmitter features: • Runs on 12 to 15 volts DC • On-board whip antenna • Stable output adjustable to channels 3 - 6 •...
- Page 2 Ramsey Electronics publication No. MTV6 Revision 1.2a First printing: January 1995 COPYRIGHT 1995 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York 14564. All rights reserved. No portion of this publication may be copied or duplicated without the written permission of Ramsey Electronics, Inc.
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Page 3: Table Of Contents
Price $5.00 KIT ASSEMBLY AND INSTRUCTION MANUAL FOR TELEVISION TRANSMITTER TABLE OF CONTENTS Introduction to the TV6 ....4 Building your kit ......4 Parts list ......... 5 TV6 Circuit description ....6 Schematic diagram ......8 Parts placement ......9 TV6 assembly instructions ... -
Page 4: Introduction To The Tv6
INTRODUCTION TO THE TV6: The answer to all your TV and VCR hook-up problems is now in your hands. Your TV6 TV Transmitter kit is the handy "wireless wire" you can use to connect up the whole house for TV of your choice! -
Page 5: Parts List
1K trimmer potentiometer (yellow adjuster) [R7] 5K trimmer potentiometer (yellow adjuster) [R3] CONTROLS AND HARDWARE Pushbutton switch [S1] PC mount RCA phono jacks [J1,2,3] DC power jack [J4] Telescopic whip antenna [Ant 1] Printed circuit board [TV6] Plastic tuning tool “diddle stick” TV6 • 5... -
Page 6: Tv6 Circuit Description
Power is supplied by an external 12 -15 volt DC source. This voltage is regulated at approximately 9.4 volts by the 8 volt regulator, VR1 and the series connected diodes, D2 and D3 in VR1’s ground leg. TV6 • 6... - Page 7 TV TRANSMITTER BLOCK DIAGRAM: TV6 • 7...
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Page 8: Schematic Diagram
TV6 • 8... -
Page 9: Parts Placement
PARTS PLACEMENT: TV6 • 9... -
Page 10: Tv6 Assembly Instructions
8. Install Q4, 2N3904 transistor. Observe correct placement of the flat side. 9. Install C9, another 39 pf disc capacitor. 10. Install C11, .001 uf disc capacitor (marked .001, 102, or 1nf). 11. Install C10, 100 pf disc capacitor (marked 100 or 101). TV6 • 10... - Page 11 PC board. 25. Install D1, 1N4148 or 1N914 diode. Pay close attention to the proper orientation of the banded end of the diode. 26. Install R6, 75 ohm (violet-green-black). Audio subcarrier section TV6 • 11...
- Page 12 D2 and D3. 45. Now it is time not only to sit back and admire your work but to carefully examine all solder joints and placement of components before the final TV6 • 12...
- Page 13 Be sure that your power source can provide at least 100 ma of current. Depress the TV6 on-off button to turn it on. 4. Adjust channel adjust coil L4 with the plastic tuning tool until you see the TV screen go blank.
- Page 14 Using the TV6 within the home: One of the most practical uses of the TV6 is to hook it up to your VCR and transmit a tape to other TV sets throughout the house, yard or to the garage. This connection involves using shielded audio or video 'patch cords' to connect the audio and video outputs from the VCR to the TV transmitter inputs.
- Page 15 If you’re having trouble getting your TV6 to tune to channel 6 you may want to try changing C7 and C9 to 27 pf capacitors. The change may affect your ability to tune channel 3 but will move the range up so that you can tune channel 6.
- Page 16 Regulations, which you are likely to find in the Reference section of your Public Library. If you have questions about the legal operation of your TV6 or any other kit or home-built device which emits RF energy, it is your responsibility to study the FCC regulations.
- Page 17 May, 1990. This is only a brief look at the rules and should not be construed to be the absolute complete legal interpretation! It is up to you to operate within the proper FCC rules and Ramsey Electronics, Inc. cannot be held responsible for any violation thereof.
- Page 18 But it also shows that you can legally put out quite a good signal over wider areas than you might have imagined. DISTANCE FROM TRANSMITTER ANTENNA METERS FEET FIELD TOTAL STRENGTH RECEPTION (µV) AREA 314 FT 1256 FT 4800 FT 19113 FT 1.8 ACRES 7.2 ACRES TV6 • 18...
- Page 19 1 or even .5 microvolt "delivered" to the receiver input by antenna. If the antenna is not good, the receiver cannot respond to the presence of fractions of a microvolt of RF energy. TV6 • 19...
- Page 20 This could be a good step to take if your project is on behalf of a school, Scout or community group. USAGE SUGGESTIONS FOR THE TV6 1. Build and adjust this kit strictly according to the published instructions.
- Page 21 NOTICE: The radio-frequency "intentional radiator" device which may be constructed from kit parts supplied by us is intended and designed by Ramsey Electronics, Inc. to conform to applicable provisions of Part 15 of FCC Rules. The individual kit-builder and all users of this device assume responsibility for lawful uses conforming to FCC Part 15 Rules.
- Page 22 TV6 • 22...
- Page 23 'missing' 10 K parts ("Hum-m-m, I guess the 'red' band really does look orange!") Ramsey Electronics project kits are packed with pride in the USA. If you believe we packed an incorrect part or omitted a part clearly indicated in your assembly manual as supplied with the basic kit by Ramsey, please write or call us with information on the part you need and proof of kit purchase 3.
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Page 24: Testing, Adjustments
TELEVISION TRANSMITTER Quick Reference Page Guide Introduction to the TV6 ....4 Building your kit ......4 Parts list ......... 5 TV6 Circuit description ....6 Schematic diagram ......8 Parts placement ......9 TV6 Assembly instructions ... 10 Testing, adjustments ....13 Troubleshooting guide ....