Out Line Of Operating Principles; Ca1 Board - Epson Photo PC-750Z Service Manual

Color digital camera

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EPSON PhotoPC-750Z

2.1.1 Out line of Operating Principles

The figure below shows the block diagram of all boards in PhotoPC-

750Z. Operation of each board is explained from the next section.

Figure 2-2. Block Diagram for Overall Operation

Operating principles

Major ICs on the CA1 board are listed in the figure below. Starting from

driving the CCD, they perform processing and A/D conversion until

image data is transferred to the internal system.

Table 2-2. Major ICs on the CA1 board

No.

IC No.

IC903

IC902

IC904

IC905

IC907

Board Component

IC Name

Function

ICX081AK

CCD imager

H-Driver, Clock for horizontal data

TC74VHC04

transfer in order to drive CCD.

V-Driver, Clock for horizontal data

CXD1267AN

transfer in order to driver CCD.

CXA2006Q

CDS, AGC circuit

CXD2311AR

Same function as IC903

Revision A

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