Ramsey Electronics CW-700 Manual Download Page 9 | Manualshive

Page: 9 / 27

Ramsey Electronics CW-700 Manual Download Page 9

CW700

•

9

MISCELLANEOUS PARTS AND HARDWARE

2 RCA jacks (J4, J5)

2 Miniature earphone jacks (J3, J6)

1 1/4” stereo jack (J1)

1 Miniature speaker (SP1)

5 Push button switch (S1, 2, 3, 4, 5)

1 9 volt battery connector (B1)

1 9 volt battery holder

1 Eight pin IC socket (SOC1)

1 Sixteen pin IC socket (SOC2)

No. 24 busswire

A NOTE ABOUT TOOLS FOR THIS KIT

For easier assembly of the CW700, we suggest this listing of tools to have
on hand to borrow or buy.

A. BASIC PC BOARD WIRING

Needle-nose plier

Tweezers

Wire snippers

Thin-diameter rosin core solder intended for electronics use

Illuminated magnifier or very good eyes

B. SOLDERING EQUIPMENT

A 25 watt soldering pencil with a clean sharp tip.

Basic de-soldering tool of some kind

Highly recommended: Set of standard “soldering aid” tools such as
Radio Shack No. 64-2227

C. ADDITIONAL TOOLS

A Dremel Tool, file, nibbler or cutter to clean the edges on your PC
board. This tool is only necessary if your PC board has not been cut for
you already.

«
...
7
8
9
10
11
...
»

Summary of Contents for CW-700

Page 1: ...ower You ll go silent before your keyer Super sensitive iambic touch paddles have no moving parts Why pay big money for expensive paddles when touch pads offer better performance An internal speaker a...

Page 2: ...Meter RAMSEY AMATEUR RADIO KITS DDF1 Doppler Direction Finder HR Series HF All Mode Receivers QRP Series HF CW Transmitters CW700 Micro Memory CW Keyer CPO3 Code Practice Oscillator QRP Power Amplifi...

Page 3: ...rcuit description 6 Parts list 8 Schematic diagram 10 Parts Layout diagram 11 CW700 Assembly instructions 12 How to use the CW700 23 Troubleshooting 24 Flow chart diagram 26 Ramsey kit warranty 27 KIT...

Page 4: ...onds and you can send your call out tirelessly Are you tired of spending hundreds of dollars on expensive keys when all that you want to do is get on the air Or practice your code The CW700 will teach...

Page 5: ...ou join these boards together correctly The main board is a conventional board that connects most of the components The on board computer battery speaker and jacks are all mounted on this board The fr...

Page 6: ...ng logic This is the nerve center of the circuit The microcontroller monitors the switches and paddles and has a program that interprets your commands When it determines that a switch was pushed or th...

Page 7: ...u Build Kit building philosophy This entails describing the circuit that you are building instead of just blindly installing components We hope that this will not only make assembly of our kits easier...

Page 8: ...capacitor marked 680 or 681 C19 2 001 uF disc capacitors marked 001 or 102 C4 8 9 01 uF disc capacitors marked 01 or 103 or 10nF C1 2 3 5 9 10 12 15 18 2 1 uF disc capacitors marked 1 or 104 C6 7 3 10...

Page 9: ...ting of tools to have on hand to borrow or buy A BASIC PC BOARD WIRING Needle nose plier Tweezers Wire snippers Thin diameter rosin core solder intended for electronics use Illuminated magnifier or ve...

Page 10: ...CW700 10 CW700 PARTS LAYOUT DIAGRAM...

Page 11: ...e for you This can be accomplished by setting the slot between the paddles and the main board on the edge of a table or bench Continue by pushing down the section of circuit board that is hanging over...

Page 12: ...ted In this kit there will be other resistors that need to be mounted standing Please refer to the Parts Layout Diagram or the circuit board for the mounting style of each resistor 6 Install R8 1K ohm...

Page 13: ...g in the right direction or polarity As a rule of thumb for this kit please insert all parts according to their outline on the board For diodes the direction of the bands must match 15 Insert D2 1N414...

Page 14: ...at on the same side as the flat side there is a shorter leg Identify either of these The flat side will be facing down when mounted Another way to look at it is that the flat spot will face the progra...

Page 15: ...side is marked on the capacitor with a dark band and the sign clearly shown while PC boards will usually show the hole location Use care to ensure proper polarity 43 Install R20 1K ohm resistor brown...

Page 16: ...that you can hear it Don t forget to save your component leads You are going to need them soon 54 Install R13 a 10K ohm resistor brown black orange 55 Install C6 a 1uF disc capacitor marked 1 or 104 5...

Page 17: ...is kit 67 Install R33 a 10K resistor brown black orange Mount it standing at attention like a soldier being inspected or our college intern being questioned 68 Install R24 a standing 1K resistor brown...

Page 18: ...he next page to help you Take R10 a 10 K potentiometer and remove the nut on the shaft The shaft will fit through the holes in the front panel Push the potentiometer into the hole on the right side vo...

Page 19: ...together we have just three things left to install Find the battery holder for B1 a 9 volt battery Also find a wire clipping that is approximately one inch long Taking the wire clipping insert it in...

Page 20: ...s on the outside They should fit together as if they were one piece Do not use glue because it may push them apart so far that they will not fit in the project File the edges again so that they are ev...

Page 21: ...the entire circuit board Energizing the circuit board with solder bridges or misplaced components can damage your kit Follow the setup and testing steps below to ensure that the kit is working proper...

Page 22: ...your memory Please note that the memory may not necessarily last two minutes per message The length depends on the contents of the message and the speed with which it is sent Press the program button...

Page 23: ...d by the paddles If the light turns red it may be the audio circuit Check the tone generator and amplifier that drives the speaker Problem When I press the buttons the unit malfunctions and either sto...

Page 24: ...CW700 24...

Page 25: ...CW700 25 CW700 FLOW CHART DIAGRAM...

Page 26: ...h be assured that the 1K ohm resistors are actually the 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...

Page 27: ...RAMSEY ELECTRONICS INC 793 Canning Parkway Victor New York 14564 Phone 716 924 4560 Fax 716 924 4555 www ramseykits com This Quality Electronics Kit was designed and packed in the USA REQUIRED TOOLS S...

Reviews:

No comments