HIKVISION DS7208HVI-ST Manual de producto/mantenimiento - Página 18
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- 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
Schedule: 1 Crystal Effect
Serial
number
1
2
3
Schedule:2 Voltage Effect
The serial
number
1
2
3
Crystals
27M（Y4）
TW2866 chips work clock (82 feet input 27 M)
25M（Y3）
24M（Y1）
KY2010 system startup clock, and integrated USB
module clock
Power chip
BD9329 (U1)
2 feet enter 12 V, 3 feet output 5 V, mainly for the SATA hard
disk normal power
BD9328 (U3)
2 feet enter 12 V, 3 feet output 3.3 V, mainly for the power of
BD00IC0WE turn 1.8 V output, as well as the other components
provide normal work voltage
BD9328 (U5)
2 feet enter 12 V, 3 feet 1 V, mainly for the KY2010 system
starts kernel working voltage
BD00IC0WE
8 feet input 3.3 V, foot 1 output 1.8 V, mainly for the KY2010
(U6)
system working voltage and DDR2 memory work voltage
Action (devices work clock)
RTL8201 chips work clock
function (devices working voltage)