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V36(#55302) with #56560 sound effect circuit.

Tasks of the project:

 

First experimental of the sound circuit(checking pin assign, quality of sound etc.).

Result:

 

Arrangement of equipments:

Top view

Side view

Points:

Details:

<Cooling fan>

Points:

<Speaker / Acoustics>

Points:

 

Testing internal temprature(effect of cooling fan).

A pointed white probe(with yellow bandage) is thermal sensor on power device of sound circuit.

The room temp. was about 25 degree C.

Following charts shows time-temp. characters.

Result 1:

Please click the image to enlarge.

Result 2:

Please click the image to enlarge.

Conclusion:

 

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Copyright 2000 by Jun Maeda / KOBE JAPAN