HIKVISION DS7208HVI-ST/SE Manual de producto/mantenimiento - Página 4

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3. DS80054 Mainboard Hardware Principle Diagram

Video in

Audio in

Audio out

AOUTinterface

Note：

TW2866 (US1) support 1 road audio and 4 road video input, voice talkback Line In input



and AOUT output

VGA signal output directly from KY2010 chip, the external circuit by LVC07A + 6303



control VGA output amplification

VOUT signal directly from KY2010 chip output, the external circuit control by SGM9111



VOUT signal amplifier output

no alarm input/out of modules



DDR∏

TW2866

（US1）

RS232

interface

Diagram1.1 DS80054 Hardware Principle Diagram

FLASH

USB

Network

（RTL8201）

DSP

LVC07A＋6303

SGM9111

SATA

SP491

interface

RS485

interface

UTP

Interface

VGA

Interface

VOUT

Interface