Olympus OEP-3, Service Manual

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2
OEP-3 V1 (UC)
3-3. Upgrading the Firmware ........................................................................... 3-13
3-3-1. Firmware .................................................................................. 3-13
3-3-2. Upgrading ................................................................................. 3-14
3-3-3. Upgrading Method ................................................................... 3-14
3-4. Lamination Head Voltage Adjustment ...................................................... 3-15
3-4-1. Adjusting the Lamination Head Voltage .................................. 3-15
3-5. Ribbon Tension Adjustment ..................................................................... 3-15
3-5-1. Ribbon Tension Adjustment Menu .......................................... 3-16
3-5-2. Adjusting the Ribbon Tension ................................................. 3-16
4. Circuit Operation Description
4-1. Digital Video Signal Processing Block ....................................................... 4-1
4-1-1. Outline ........................................................................................ 4-1
4-1-2. Flow of Image Signal in Each Operating Mode ......................... 4-2
4-1-3. Basic Operation Timing and CPU Block ................................... 4-6
4-1-4. Memory (DRAM) Block .......................................................... 4-10
4-1-5. Memory Control Block ............................................................ 4-12
4-1-6. Color Adjustment Block .......................................................... 4-14
4-1-7. Sampling Clock Generation Block ........................................... 4-15
4-1-8. Masking Block ......................................................................... 4-16
4-1-9. A/D and D/A Conversion Blocks ............................................. 4-16
4-2. Analog Video Signal Processing Block .................................................... 4-17
4-2-1. Outline ...................................................................................... 4-17
4-2-2. Interface Block (IF-764 Board) ................................................ 4-17
4-2-3. Analog Video Signal Processing Block
(Part of VPR-63 Board) ........................................................... 4-18
4-3. Operation Description of Print Control Block Circuit (PRT-13 Board) ... 4-25
4-3-1. CPU Flowchart ......................................................................... 4-25
4-3-2. CPU Memory Map ................................................................... 4-25
4-3-3. Outline of Motor Drive Function Blocks ................................. 4-26
4-3-4. Outline of Sensor Detection Circuits ....................................... 4-30
4-3-5. Head Control Block .................................................................. 4-37
4-4. Circuit Operation Description of SY-282 and IF-767 Boards .................. 4-39
4-4-1. Circuit Operation ...................................................................... 4-39
4-4-2. Communication with Other Boards in Unit ............................. 4-42
4-4-3. VPR (Analog Video Block) Control ........................................ 4-43
4-4-4. RS Communication Control ..................................................... 4-45