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RS-A9/EW
124
1234
1234
C
D
F
A
B
E
7.3 OPERATIONAL FLOW CHART
Herdware reset release
Initialization of reset release
Bus communication
System power on
DSP Initialization OK
DSP error
Pin51:H
Un lock
Pin48:H?
Bup or Acc off
DSP initialization failure
DSP initialization
failure
Pin16:Low and Pin15:Low
Error
ON
DSPPW on (Pin40:H)
Normal
Mute OFF(Pin42:L)
PLD,DSP initialization
About 3 seconds
Mute off (Pin42:L)
DSPPW on (Pin40:H)
OFF
DSPPW off (Pin40:L)
Mute on (Pin42:H)
Power on commond
DSP error
PW lamp on and off
DIT reset
Pin47=L
Main loop
-SYSTEM RESET
Bup,Acc check
Acc:Pin15,Bup:Pin16
Microcomputer dispatch stop
Power saving mode
Pin16:Low
and
Pin15:Low
Pin16:Low
and
Pin15:Low
Unit check program start
Test program mode
Pin39=Low
Pin39=High
Low
Hi
Yes
Yes
OFF
ON
No
Pin48=H
No
No
AbnormalitiesNormal
1
Yes
1
No