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6-26
TECHNICAL DATA
Function
Description
Circuit Board Locator and Basic In-
Chassis
terconnections
Base Board
Glue logic; supports CPU module
and RS-232 daughterboard.
Contains:
System Connections
CPU module interface
CPU module interface (ver. .06)
Power Supply Monitor
CPLD, General Purpose Interface,
and Remotes
CPU Module
Control microprocessor. Services
front panel, serial port, Ethernet,
DSP board, and control board. Re-
sides on base board.
Contains:
Ethernet
General Purpose Bus
Memory
Miscellaneous Functions
Power and Ground Distribution
RS-232 Board
Supports Serial Port
Power Supply
±15V analog supply; ±5V analog
supply; +5V digital supply
I/O Board
Analog Input/Output
AES3 Input/Output
Composite Output
SCA Input.
Contains:
L and R Analog Inputs
L and R Analog Outputs
Composite / SCA
Control and Digital I/O
Interface and Power Distribution
DSP Board
DSP Chips; Local +3.3V regulator.
Contains:
DSP Extended Serial Audio Inter-
face (ESAI)
DSP Host Interface
DSP Serial Peripheral Interface,
Power, and Ground
ISA Bus 8-bit I/O
Serial Audio Interface and Clock
Generation
ORBAN MODEL 8300
Drawing
Page
Top view
6-29
(not to scale)
Parts Locator
6-30
Drawing
Schematic 1 of 4
6-31
Schematic 2 of 4
6-32
Schematic 2 of 4
6-33
Schematic 3 of 4
6-34
Schematic 4 of 4
6-35
Parts Locator
6-36
Drawing
Schematic 1 of 5
6-37
Schematic 2 of 5
6-38
Schematic 3 of 5
6-39
Schematic 4 of 5
6-40
Schematic 5 of 5
6-41
Parts Locator
6-42
Drawing
Schematic 1 of 1
6-43
Parts Locator
6-44
Drawing
Schematic 1 of 1
6-45
Parts Locator
6-46
Drawing
Schematic 1 of 5
6-47
Schematic 2 of 5
6-48
Schematic 3 of 5
6-49
Schematic 4 of 5
6-50
Schematic 5 of 5
6-51
Parts Locator
6-52
Drawing
Schematic 1 of 7
6-53
Schematic 2 of 7
6-54
Schematic 3 of 7
6-55
Schematic 4 of 7
6-56
Schematic 5 of 7
6-57
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