HIKVISION DS7208HVI-ST/SE Manuel du produit/de la maintenance - Page 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