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The Image Processor also known as “Scaler” , which indicate its main function , expand or downsize
the digital picture from ADC to a fixed size digital image output .
The CPU which control the whole system is embedded inside the Image Processor , there is also a
Real Time Operating System which incorporates with the CPU as hardware layer interface .
The EEPROM stores the system information such as brightness , contrast …which ensure the system
operates under the most user friendly circumstance .
The Flash memory stored the Software Program which control the system , the CPU will read the
Flash as its execution command .
Block Diagram
Below is the simple block diagram of PB8250 Main Board .
As the diagram shown above , here is the function of every discrete blocks .
-
D_SUB input
Analog RGB data input , the standard maximum analog input resolution is SXGA .There also
some interface signals from the VGA cable , they are
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Summary of Contents for PB8250 - XGA DLP Projector
Page 2: ...Chapter 1 Engineering Specifications 1...
Page 3: ...2...
Page 4: ...3...
Page 5: ...4...
Page 6: ...5...
Page 12: ...11...
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Page 15: ...14...
Page 20: ...19...
Page 21: ...Controls and Functions 20...
Page 22: ...Remote Control Description 21...
Page 24: ...Installing or Replacing the Batteries 23...
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Page 33: ...Source Selection Auto Adjustment 32...
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Page 48: ...Packing Description 47...
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Page 53: ...Appearance Description 52...
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Page 61: ...Shutdown 60...
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Page 74: ...Chapter 6 Trouble Shooting Common Problems Solutions 73...
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Page 84: ...83 Chapter 7 Schematics drawing...
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