41
5
7
8
F
E
D
C
B
A
5
7
8
GM-8437ZT/WL
8. OPERATIONS
There is no information to be shown in this chapter.
7.3.2 OPERATIONAL FLOW CHART
Reset Start---OFF ---Power ON
<<JUDGMENT>>
Test program check(Unit checker)
-
Pin 27 HI/LOW input
Unit checker program
Pin 27 HI input
Pin 27 LOW input
<<JUDGMENT>>
Back up, ACC confirmation
-
Pin 17 ACC/Pin 16 Back up
Microcomputer oscillation stop
(Electronic power save)
Pin 17 LOW input and Pin 16 LOW input
• ACC/Back up ON
Main loop
<<JUDGMENT>>
Bus communication Normal/Error
<<JUDGMENT>>
System ON/OFF
-
OFF status
=System ON waiting
• Power ON(Pin 66 H)
• Mute ON(Pin 40 H)
• BEEP output available
-
ON status
=System OFF waiting
• Power ON(Pin 66 H)
• Mute OFF(Pin 40 L)
• BEEP output available
<<JUDGMENT>>
DSP error confirmation
• communication error:Serial IF
<<JUDGMENT>>
ACC/Back up ON/OFF
START
|
Hard ware reset cancel
Main loop
Error retry
• DSP reset(Pin 67)
|
About 1 second
Error(Communication error)
|
Forcibly OFF
Pin 17 HI input
or
Pin 16 HI input
Normal(Main unit communication normal)
OFF
ON
Normal operation
DSP error
ACC ON/Back up ON
Pin 17 HI input
or
Pin 16 HI input
Pin 17 LOW input
and
Pin 16 LOW input
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