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2.2 Audio amplifier:
ICA3 (TDA1517) is an integrated class-B dual output amplifier; it contains two identical
amplifier differential input stages. The gain of each amplifier is fixed at 20 dB.
Pins 1 and 9 are right and left channel inputs respectively. Pins 4 and 6 are right and
left channel outputs which connect to two 8 OHM speakers. Pin 8 is the mute/stand-by Pin
7 is the voltage input for ICA1
ViewSonic Corporation
Confidential – Do Not Copy
VX700-3
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