Grass Valley K2 Dyno Service Manual - Manual (Page 31)

02 February 2012 K2 Dyno Replay Controller Service Manual 31
T-bar lever assembly
T-bar lever assembly
This is the complete mechanism which includes the front panel T-bar lever and the
unit in which it is housed. In case it is damaged or otherwise inoperable, it can be
replaced separately.
Refer to “T-bar lever assembly removal” on page 69 for procedures.
Type I Control panel UI board
This board provides the front control panel user interface for the Dyno controller,
including the following functionality:
• 21 backlit, tri-color, momentary contact tactile buttons in 3 banks
• Jog knob interface and encoder
• USB interface to PC Motherboard
• Push Button Matrix Scanner, for 21 top panel buttons
• T-bar lever A/D interface
• SPI Port to LCD screen Controller
• LED driver interface
• Button LED Dimming
• Embedded Program Flash and SRAM memory
• Display Interface
• LCD screen controller
Refer to “Type I control panel UI board removal” on page 72 for procedures.
Type II Control panel UI board
This board provides the front control panel user interface for the Dyno controller,
including the following functionality:
• 21 backlit, tri-color, momentary contact tactile buttons in 3 banks
• Jog knob interface
• USB interface to PC Motherboard
• Push Button Matrix Scanner, for 21 top panel buttons
• T-bar lever A/D interface
• SPI Port to LCD screen Controller
• LED driver interface
• Button LED Dimming
• Embedded Program Flash and SRAM memory
• Display Interface
• LCD screen controller