Epson FilmScan 200 Service Manual page 9

1.1 FEATURES.............................................................................................................1-1
1.2 SPECIFICATIONS..................................................................................................1-3
1.2.1 General Specification ............................................................................................................. 1-3
1.2.2 Film Type and Readable Area................................................................................................ 1-3
1.2.2.1 35 mm Film ............................................................................................................... 1-3
1.2.2.2 APS Holder................................................................................................................ 1-3
1.2.3 Electrical Specifications ........................................................................................................ 1-5
1.2.4 Safety and EMC ...................................................................................................................... 1-5
1.2.5 Resistance to Electric Noise ................................................................................................. 1-5
1.2.6 Environmental Conditions..................................................................................................... 1-5
1.2.7 Reliability................................................................................................................................. 1-5
1.2.8 Operating Conditions............................................................................................................. 1-6
1.3. INTERFACES ........................................................................................................1-7
1.3.1 Bi-D Parallel Interface............................................................................................................. 1-7
1.3.2 SCSI Interface ......................................................................................................................... 1-9
1.3.2.1 Basic Specifications .................................................................................................. 1-9
1.3.2.2 Command................................................................................................................ 1-10
1.3.2.3 Status ...................................................................................................................... 1-10
1.3.2.4 Messages ................................................................................................................ 1-10
1.3.2.5 Pin Assignment ........................................................................................................1-11
1.4 FUNCTIONS.........................................................................................................1-12
1.4.1 Switches and Indicators ...................................................................................................... 1-12
1.4.2 Errors ..................................................................................................................................... 1-13
1.4.3 Control Code Handshaking Procedures ............................................................................ 1-14
1.4.3.1 Control Code without Parameters ........................................................................... 1-14
1.4.3.2 Control Code with Parameters ................................................................................ 1-14
1.4.4 Data Handshaking Procedures ........................................................................................... 1-15
1.4.4.1 Inquiry Data ............................................................................................................. 1-15
1.4.4.2 Monochrome Image Data Transfer ......................................................................... 1-15
1.4.4.3 Color Image Data Transfer: Line sequence Mode (block transfer mode) .............. 1-15
1.4.4.4 Color Image Data Transfer: Byte sequence Mode .................................................. 1-16
1.4.4.5 Image Data Transfer: Line Sequence Mode ........................................................... 1-16
1.4.5 Data Structure ....................................................................................................................... 1-17
1.4.5.1 Line Data Structure ................................................................................................. 1-17
1.4.5.2 Block Data Structure ............................................................................................... 1-18
1.4.6 Status Byte Format............................................................................................................... 1-19
1.5 Main Component.................................................................................................1-20
1.5.1 Digital Board ......................................................................................................................... 1-20
1.5.2 Sub Board (only for SCSI model)........................................................................................ 1-20
1.5.3 Power Supply Board ........................................................................................................... 1-21
1.5.4 Inverter Board ....................................................................................................................... 1-21
1.5.5 Engine Unit............................................................................................................................ 1-22
1.5.6 APS Holder ............................................................................................................................ 1-23
GENERAL DESCRIPTION
CHAPTER 1