HIKVISION DS7208HVI-ST - Schedule: 1 Crystal Effect; Schedule:2 Voltage Effect

Schedule: 1 Crystal Effect
Schedule:2 Voltage Effect
Serial
number
Crystals Action (devices work clock)
1
27M（Y4）
TW2866 chips work clock (82 feet input 27 M)
2
25M（Y3）
RTL8201 chips work clock
3
24M（Y1）
KY2010 system startup clock, and integrated USB
module clock
The serial
number
Power chip function (devices working voltage)
1
BD9329 (U1) 2 feet enter 12 V, 3 feet output 5 V, mainly for the SATA hard
disk normal power
2
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
3
BD00IC0WE
(U6)
8 feet input 3.3 V, foot 1 output 1.8 V, mainly for the KY2010
system working voltage and DDR2 memory work voltage