Perfection 4870 Photo
Revision A
APPENDIX
Circuit Diagrams
70
7.2 Circuit Diagrams
The control electrical circuit diagrams of this product are shown on the following
pages.
Main Board
Power Supply Board
SUB_A Board
Panel Board
CCD Board
Inverter Board
TPU Main Board
SUB_B Board
TPU Inverter Board
SUB_C Board
SUB_D Board
Summary of Contents for Perfection 4870 Photo
Page 1: ...EPSON Perfection4870Photo Color Image Scanner Service Manual SESC03 008 ...
Page 5: ...Revision Status Revision Date of Issue Description A December 10 2003 First release ...
Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 19: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 29: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 37: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Page 63: ...C H A P T E R 5 ADJUSTMENT ...
Page 65: ...C H A P T E R 6 MAINTENANCE ...
Page 68: ...C H A P T E R 7 APPENDIX ...
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