Samsung CLX-8640 series Service Manual page 80

2. Product specifications and Description
4) ADF CCDM PBA
The function of this board is to convert the reflected light from an original document to electrical signals. It includes the
CCD, ADC, Logic IC, etc. The CCD converts the reflected light from an original document to three-color analog signals;
red, green, blue. ADC converts each analog signal to digital. And for high speed data transmission, the digital data signal is
converted to LVDS format with serialization.
This board handles all the conversion of an images as scanned from the Dual Scan ADF.
•
Information
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Part Code : JC92-02537A
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PBA Name : PBA-CCDM ADF
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Connection
1
5) White-LED(WLED) AL FRONT PBA
The WLED AL FRONT consists of two White-LED used as scanner light. The ADF CCDM and PLATEN CCDM uses
it each.
•
Information
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Part Code : JC92-02538A
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PBA Name : PBA-WLED AL FRONT
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Connection
1
1
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PBA-SCAN IF
PBA-CCDM PLATEN
PBA-CCDM ADF
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