Samsung SCC-B2300 Service Manual - Page 74

Circuit Operating Description

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13. Circuit Operating Description 13-1 Video Signal System Block Diagram 13-1-1 Block Diagram ig. ideo Signal System loc iagram 13-1-2 Optical System 1) Infrared rays and high frequency signal of optical Image are filtered by optical low pass filter and goes to the CCD. 2) Scanned optical image of CCD is transferred to electronic signal by CCD(IC301) and output through IC301-8(VOUT). But if the image is BW, only high frequency signal is filltered (filter is changed by MOTOR). • COLOR Image(Day Mode) : Infrared rays and high frequency signals are filtered. • B/W Image(Night Mode) : high frequency signal is filtered. * To activate the CCD, voltage should be input to V1~V4, VSUB, RG, H1~2. Samsung Electronics

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Samsung Electronics
13-1-1 Block Diagram
13. Circuit Operating Description
13-1 Video Signal System Block Diagram
ig.
ideo Signal System
loc
iagram
13-1-2 Optical System
1)
Infrared rays and high frequency signal of optical Image are filtered by optical low pass filter and goes to
the CCD.
2)
Scanned optical image of CCD is transferred to electronic signal by CCD(IC301) and output through
IC301-8(VOUT). But if the image is BW, only high frequency signal is filltered (filter is changed by MOTOR).
•
COLOR Image(Day Mode) : Infrared rays and high frequency signals are filtered.
•
B/W Image(Night Mode) : high frequency signal is filtered.
*
To activate the CCD, voltage should be input to V1~V4, VSUB, RG, H1~2.