Read Sharp LC-32LD135K (serv.man2) Service Manual online
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LC-32LD135
8
B.3. Absolute Maximum Ratings and Recommended Operating
Conditions
3. AUDIO AMPLIFIER STAGES
A. MAIN AMPLIFIER (TAS5719)(6-8 W option)
a. General Description
The TAS5717/TAS5719 is a 10-W/15-W, efficient,digital audio-power amplifier for
driving stereo bridge-tied speakers. One serial data input allows processing of up to two
discrete audio channels and seamless integration to most digital audio processors and MPEG
decoders. The device accepts a wide of input data and data rates. A fully programmable data
path routes these channels to the internal speaker drivers.
discrete audio channels and seamless integration to most digital audio processors and MPEG
decoders. The device accepts a wide of input data and data rates. A fully programmable data
path routes these channels to the internal speaker drivers.
The TAS5717/9 is a slave-only device receiving all clocks from external sources. The
TAS5717/TAS5719 operates with a PWM carrier between a 384-kHz switching rate and a
352-KHz switching rate, depending on the input sample rate. Oversampling combined with a
fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz
to 20 kHz.
352-KHz switching rate, depending on the input sample rate. Oversampling combined with a
fourth-order noise shaper provides a flat noise floor and excellent dynamic range from 20 Hz
to 20 kHz.
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