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Old 09-19-2011, 10:02 AM
pro92b pro92b is offline
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Quote:
Originally Posted by DickH View Post
Adding a jumper to bypass the audio limiting resistor should boost the audio.
The internal speaker has no limiting resistor. The resistor you referenced is only connected to the earphone jack. The audio amplifier chip is a type NJM2070 powered by a 5 volt regulator. It can only ouptut about 0.3 Watt of audio power so the volume capability is limited.
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