Usb Interface; Ci Interface; Dvb-C/T2 Demodulator - Sharp LC-32LE340E Service Manual

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USB Interface

USB ports are directly connected concept IC, BCM 3556.
USB ciecuit has 2 main parts:
Protection IC (U4)
Over Curent Protection IC (U108-U109)
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CI Interface

17MB70 Digital CI ve Smart Card Interface Block diagram:
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DVB-C/T2 Demodulator

Sony CXD2820R
a) Key Features
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AI07585B
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I/O0
LC-32LE340/343
LC-32LE340/343
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V SS
LC-40LE340/343
LC-40LE340/343
AI07559B