STEREO 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 2.0
Страница 1: ...STEREO 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 0...
Страница 2: ...ould be soldered into C6 and C7 It does not matter which way around they go Now solder in the five electrolytic capacitors an example is shown right The capacitors have text printed on the side that i...
Страница 3: ...tteries Audio equipment may become damaged if connected to an incorrectly built amplifier Check the bottom of the board to ensure that All holes except the 4 large 3mm holes in the corners are filled...
Страница 4: ...r 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 Us...
Страница 5: ...k jack wire R1 R2 for dry joints R1 R2 R3 R4 are in the correct place Check For a dry joint on C1 R2 or IC1 pins 5 6 Check The wire connections on speaker 1 for dry joints on the PCB and speaker The b...
Страница 6: ...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 help you to pl...
Страница 7: ...two inputs and changes the output accordingly With an infinite gain the amplifier is no good to amplify audio which is where the feedback comes in By making one of the inputs a percentage of the outpu...
Страница 8: ...educational schemes of work and so on and also includes the essentials Download from www kitronik co uk 2136 Every effort has been made to ensure that these notes are correct however Kitronik accept...