49
5
6
7
8
F
E
D
C
B
A
5
6
7
8
GM-8027ZT/WL
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 HI input and Pin 16 HI 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 1 H)
• BEEP output available
-
ON status
=System OFF waiting
• Power ON(Pin 66 H)
• Mute OFF(Pin 1 L)
• BEEP output available
<<JUDGMENT>>
DSP error confirmation
• communication error:Serial IF
• processing error:Pin 68
<<JUDGMENT>>
ACC/Back up ON/OFF
START
|
Hard ware reset cancel
Main loop
Error return
• DSP reset(Pin 9)
|
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 LOW input
or
Pin 16 LOW input
Pin 17 LOW input
and
Pin 16 LOW input
Содержание Audio System Power Amplifier
Страница 2: ...2 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL For details refer to Important symbols for good services ...
Страница 5: ...5 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL ...
Страница 6: ...6 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...
Страница 9: ...9 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL ...
Страница 12: ...12 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A a A b A a A a A b 1 2 A D CONVERTER A DSP UNIT C MICROPHONE UNIT ...
Страница 13: ...13 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A a A b A a A a A b 3 4 POWER AMP B AMP UNIT C MICROPHONE UNIT ...
Страница 14: ...14 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A a A b A b 1 2 ...
Страница 17: ...17 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A SIDE A FRONT B CN905 ...
Страница 18: ...18 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL A A DSP UNIT ...
Страница 19: ...19 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL A SIDE B ...
Страница 20: ...20 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL 4 2 AMP UNIT B B AMP UNIT A CN101 ...
Страница 21: ...21 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL B SIDE A A CN102 ...
Страница 22: ...22 1 2 3 4 1 2 3 4 F E D C B A GM 8027ZT WL B B AMP UNIT ...
Страница 23: ...23 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL B SIDE B ...
Страница 31: ...31 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL 6 ADJUSTMENT Jigs GGD1153 14P GGD1245 18P ...
Страница 51: ...51 5 6 7 8 F E D C B A 5 6 7 8 GM 8027ZT WL 8 OPERATIONS There is no information to be shown in this chapter ...