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HIKVISION DS7208HVI-ST/SE

HIKVISION DS7208HVI-ST/SE
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4. DS80054 Mainboard Hardware Modules Diagram
Diagram 1.2 DS80054 Mainboard Hardware Modules Diagram
5. DS80054 Mainboard Hardware Module Introduction
5.1. Audio Video A/D Module
Video A/D Module Main Control ChipTW2866 Audio
1) TW2866US1PIN 6 control first audio inputinput matching resistance
100 (RU9) and capacitance (CS18)
2) TW2866US1PIN 13/17/21/25 control 1-4 road vedio inputBNC input
matching 4 HK-5 production tube TVS2/4/6/8 ); 4 75Ωresistance
RV2/4/6/8 ); 4 100Ωresistance RU1/2/3/4 ); 4 capacitance
CS12/8/13/11))
3) TW2866US2PIN 13/17/21/25 control 5-8 road vedio inputBNC input
matching 4 HK-5 production tube TVS1/3/5/7 ); 4 75Ωresistance
VGAmodule
RS485module
USB interface
Network module
VOUT module
SATA
power
module
A/D module
Power module
SATA interface
Clock module
RS232 interface
Network module
Front-panel interface

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