Dell UltraSharp 2208WFP, Service Manual

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Service Manual
10
2.2.2) AC Input and EMI Filter:(fig.5)
fig.5
CN850 is a connector for connecting AC Power. F850 is a fuse to protect all the circuit AC. Input
voltage is from 90V to 264V. R850/
R
851 are joined between two inputting main circuit to prevent man
from shock. L85
0
is used to filter low frequency noise. C850 and C851 are used to discharge the noise that
L85
0
produced. High frequency waves are damped by C852;
2.2.3)High Voltage to Low Voltage Control Circuit:(fig.6)