Pioneer GM-8437ZT 서비스 매뉴얼 - 페이지 41
{카테고리_이름} Pioneer GM-8437ZT에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Pioneer GM-8437ZT 42 페이지.
페이지 인쇄
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7.3.2 OPERATIONAL FLOW CHART
Reset Start---OFF ---Power ON
START
| Hard ware reset cancel
<<JUDGMENT>>
Test program check(Unit checker)
- Pin 27 HI/LOW input
Pin 27 HI input
Unit checker program
Pin 17 HI input
or
Pin 16 HI input
Error(Communication error)
| Forcibly OFF
TE
L 13942296513
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8. OPERATIONS
.
There is no information to be shown in this chapter.
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Pin 27 LOW input
<<JUDGMENT>>
Back up, ACC confirmation
- Pin 17 ACC/Pin 16 Back up
Main loop
<<JUDGMENT>>
Bus communication Normal/Error
<<JUDGMENT>>
System ON/OFF
OFF
- OFF status
=System ON waiting
• Power ON(Pin 66 H)
• Mute ON(Pin 40 H)
• BEEP output available
<<JUDGMENT>>
ACC/Back up ON/OFF
Main loop
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8
Pin 17 HI input
or
Pin 16 HI input
Microcomputer oscillation stop
(Electronic power save)
Pin 17 LOW input and Pin 16 LOW input
• ACC/Back up ON
Normal(Main unit communication normal)
Q Q
3
6 7
1 3
- 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
Normal operation
ACC ON/Back up ON
.
GM-8437ZT/WL
7
9 4
2 8
Pin 17 LOW input
and
Pin 16 LOW input
1 5
0 5
8
2 9
9 4
ON
DSP error
m
co
7
8
9 9
A
B
C
2 8
9 9
D
Error retry
• DSP reset(Pin 67)
| About 1 second
E
F
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