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A m p l i f i e r f o r M P 3 L o u d s -
PARTS LIST
Circuit board
Capacitor 1 μF
Capacitor 470 nF
Capacitor 100nF
Capcitor 220 μF
Resistor 100 kOhm
Micro switch
Small scews
Modelling plywood 70x50x1,5
IC holder 8-plg.
IC TDA 7052
Black wire
Battery clip
D111677#1
111.677
p e a k e r
Code
1
105
1
474
1
104
1
1
1
The OPITEC range of projects is not intended as play
1
4
young people learning the skills of Craft, Design and
Technolo- gy.These projects should only be undertak-
1
1
adult. The finished projects are not suitable to give to
children under 3 years old. Some parts can be swal-
1
1
1
Necessary tools
Solderng iron,solder
Fretsaw
Drill ø 3mm
All purpose glue
Wire strippers
Please Note
toys for young children.They are teaching aids for
en and tested with the guidance of a fully qualified
lowed. Dan- ger of suffocation!
1
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Summary of Contents for Opitec 111.677
- Page 1 Capacitor 100nF Capcitor 220 μF Resistor 100 kOhm Please Note The OPITEC range of projects is not intended as play Micro switch toys for young children.They are teaching aids for Small scews young people learning the skills of Craft, Design and Technolo- gy.These projects should only be undertak-...
- Page 2 INSTRUCTIONS Schematic diagram 220 uF 1 uF 100 nF TDA7052A 470 nF 100 kOhm 1. Constructing the circuit board 470 nF 220 uF Input + 100 nF 1 uF The circuit board has two different sides. The top side is drilled and printed showing the positions of the components. The bottom has all the tracks where the components are soldered Die IC holder, is inserted in the top of the board the correct way around and the legs are soldered to the tracks on the bottom of the board.
- Page 3 2. Mounting the loudspeakers: Remainder 3. Before mounting the loudspeakers measure out and saw the the pine side strips and the middle piece (30mm) Measure and saw out the middle remainder piece ca. 10x20x30 and glue it in place as shown. 4.
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