MONO AMPLIFIER KIT
CREATE YOUR OWN SPEAKER DOCK WITH THIS
ESSENTIAL INFORMATION
BUILD INSTRUCTIONS
CHECKING YOUR PCB & FAULT-FINDING
MECHANICAL DETAILS
HOW THE KIT WORKS
Version 2.2
Page 1: ...MONO AMPLIFIER KIT CREATE YOUR OWN SPEAKER DOCK WITH THIS ESSENTIAL INFORMATION BUILD INSTRUCTIONS CHECKING YOUR PCB FAULT FINDING MECHANICAL DETAILS HOW THE KIT WORKS Version 2 2...
Page 2: ...s one ceramic disc capacitor which should be soldered in to C1 on the PCB The capacitor should be marked 473 It does not matter which way around it goes The other two capacitors are electrolytic capac...
Page 3: ...aker It does not matter which way around these connections go Again the wires should be fed through the strain relief hole before being soldered into place The IC can now be put into the holder ensuri...
Page 4: ...both ends of the battery clip directly into the board instead Solder one end of the battery clip to the PCB either black to or red to Solder the other end of the battery clip to the on off switch Usi...
Page 5: ...he music clearly Check C2 is the right way around and the joints are good R3 for dry joints IC pins 3 and 6 for dry joints Power leads correct way around and for dry joints Input leads are correct way...
Page 6: ...allow the audio cable out of the box Are you making the amplifier for a particular MP3 player if so should the MP3 player go in the box These technical drawings of the amplifier PCB and speaker should...
Page 7: ...as unlimited gain so if the non inverting input is a fraction higher than the inverting input there is more than the output will go up to the supply voltage Change the inputs around and the output wil...
Page 8: ...educational schemes of work and so on and also includes the essentials Download from www kitronik co uk 2154 Every effort has been made to ensure that these notes are correct however Kitronik accept...