Block Diagram - GE Dash Port 2 Service Manual

Block Diagram

Dash Monitor
Peripheral
ASYNC Port
Peripheral
ENET Present
Peripheral
ENET Port
Peripheral
Autoport/Multi Port
200mA
Current
Switched +5V
Limit
Switched +5V Fault
500mA
Switched +9-18V
Current
Limit
Switched +9-18V Fault
Power
Fuse
Supply 2A @ 110V
Revision A
Equipment Overview: Theory of Operation
FLEX CKT COMM
Dash Expansion
INTFC
Connector
Connector
Switched +5V Switched +5V
@ 150mA max @ 150mA max
Switched +9-18V Switched +9-18V
@ 500mA @ 500mA
AC Power Power
AC Power Power
Connector
Connector
(male)
(female)
Dash Port 2 Docking Station
2000966-138
Dash Port 2
MPC823e
ID_TX/RX
SMC2
Autoport
Address, Data
Isolation
and Control bus
Circuitry
System Clock
+3.3V and +3.3VPLL
Microprocessor
Supervisor with reset
Debug Port
timeout period
Peripheral ENET
Present
LED Controller
Transciever SCC3
LCD Controller
SCC2
Transciever
Autoport
Isolation
Circuitry
+5V Isolation
Circuitry
3.3V Power
Regulator
AC Power
TX/RX
Serial 1-
wire line
driver.
ID
Autoport RJ45
Autoport 2
Isolation
Circuitry
SDRAM
64 Mb
Flash
32 Mb
25.17500
MHz
Development
Connector
Dash
Communication
Indicator LED
Video
DEC
Altera HD DB-15
PLD Video
Connector
Drivers
ENET
RJ45
Isolation
Ethernet
Circuitry
RJ45
Autoport 1
+5V Autoport
Pi
+3.3V PLL
Filter
+3.3V
Power
AC Power
Regulator
Indicator LED
Fuse
AC Power
2-7