HIKVISION DS7208HVI-ST Product/Maintenance Manual - Page 6
Browse online or download pdf Product/Maintenance Manual for DVR HIKVISION DS7208HVI-ST. HIKVISION DS7208HVI-ST 18 pages. Ds-7200hvi-st series dvr
Also for HIKVISION DS7208HVI-ST: Technical Manual (13 pages), Quick Start Manual (9 pages), Technical Manual (9 pages)
- 1. Ds7208Hvi-St/Sn Equipment Physical Interface
- 2. Ds7208Hvi-St/Sn Equipment Internal Structure
- 3. Ds80061 Mainboard Hardware Principle Diagram
- 4. Ds80061 Mainboard Hardware Modules Diagram
- 5. Ds80061 Mainboard Hardware Module Introduction
- 6. Network Module
- 7. Power Supply Module
- 8. Ds80061 Mainboard Failure Analysis
5. DS80061 Mainboard Hardware Module Introduction
5.1. Audio Video A/D Module
Video A/D Module Main Control Chip:TW2866 Audio
TW2866(US1)PIN 6 control first audio input(input matching resistance 100
(RU9) and capacitance (CS18))
TW2866(US1)PIN 13/17/21/25 control 1-4 road vedio input(BNC 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) )
TW2866(US2)PIN 13/17/21/25 control 5-8 road vedio input(BNC input
matching 4 HK-5 production tube (TVS1/3/5/7) ; 4 75Ωresistance (RV1/3/5/7) ;
4 100Ωresistance(RU5/6/7/8) ;4 capacitance(CS42/48/29/33) )
27 M (Y4/Y5) : TW2866 work clock, PIN 82 input 27 M
Audio video A/D module component:
75Ω(RV1-8)
HK-5(TVS1-8)
(CS12/8/13/11)
TW2866(US1)
27M(Y4/5)
TW2866(US2)
100Ω(RU1-4)
100Ω(RU9)
(CS18)
100Ω(5-8)
电 容(CS42/48/29/33)