Table of Contents
Advertisement
6. TECHNICAL DESCRIPTION .............................................................................................................. 6-1
6.1. OVERVIEW ...................................................................................................................................... 6-1
6.2. DIAGNOSTIC LEDs ......................................................................................................................... 6-3
6.2.1. Power Supply LEDs ........................................................................................................... 6-3
6.2.2. Reader LEDs` .................................................................................................................... 6-3
6.2.3. Generator LEDs ................................................................................................................. 6-4
6.2.4. Character Inserter LEDs .................................................................................................... 6-4
6.3. LOCATION OF JUMPERS AND SWITCHES .................................................................................. 6-4
6.3.1. I/O Board Jumpers............................................................................................................. 6-4
6.3.2. LTC Reader Main Board Jumpers ..................................................................................... 6-7
6.3.3. VITC Reader Sub-module Jumpers................................................................................... 6-7
6.3.4. Film Timecode Generator Main Board Jumpers and Switches.......................................... 6-9
6.3.5. Support For Telecine Devices That Do Not Have A Frame Pulse Available. .................. 6-10
6.3.6. Video Keyer Submodule Jumpers ................................................................................... 6-11
6.3.7. Base Processor Board (631 main board) Jumpers and Switches ................................... 6-12
6.4. RESETTING THE 4025 TO FACTORY DEFAULTS...................................................................... 6-14
6.4.1. Resetting The 4025 Using The Toolbox Hardware Menu................................................ 6-14
6.4.2. Resetting The 4025 Using The Engineering Shortcut Keys............................................. 6-14
6.4.3. Resetting The 4025 Using The DIP Switches.................................................................. 6-14
6.5. LTC/VITC GENERATOR MODULE CIRCUIT DESCRIPTION ...................................................... 6-15
6.5.1. Microcontroller & Programmable Logic (6150-32 & 6150-33)......................................... 6-15
6.5.2. Adjusting the LTC Output Level ....................................................................................... 6-16
6.5.3. Sync Separator (6150-31)................................................................................................ 6-16
6.5.4. Colour Frame Detector (6150-31).................................................................................... 6-16
6.5.5. Telecine Interface Logic (6150-32 & 6150-33)................................................................. 6-17
6.5.6. VITC Generator Interface................................................................................................. 6-18
6.6. LTC/VITC READER CIRCUIT DESCRIPTION .............................................................................. 6-19
6.6.1. Microcontroller (6110-30)................................................................................................. 6-19
6.6.2. High Speed LTC Reader (6110-30) ................................................................................. 6-20
6.6.3. Video Processing (6110-30) ............................................................................................ 6-20
6.6.4. High Speed VITC Reader (6111-30)................................................................................ 6-20
6.7. VIDEO CHARACTER INSERTER CIRCUIT DESCRIPTION......................................................... 6-21
6.7.1. Microcontroller (6120-32)................................................................................................. 6-22
6.7.2. Sync Separator (6120-33)................................................................................................ 6-22
6.7.3. Character Generator Interface ......................................................................................... 6-22
6.8. VITC GENERATOR AND CHARACTER GENERATOR CIRCUIT DESCRIPTION ...................... 6-23
6.8.1. VITC Generator Logic (6231-32) & (6231-33) ................................................................. 6-23
6.8.2. Character Generator Logic (6231-32).............................................................................. 6-24
6.8.3. Character Position and Size (6231-33)............................................................................ 6-24
6.8.4. Video Circuits (6231-31) .................................................................................................. 6-24
6.9. DISPLAY AND KEYPAD ............................................................................................................... 6-25
6.9.1. LED Displays (7025-31)................................................................................................... 6-25
Model 4025 Film Footage Encoder Manual
Advertisement
Table of Contents
