Pioneer RS-A9/EW manual Operational Flow Chart, Main loop, Systemreset

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7.3 OPERATIONAL FLOW CHART

-SYSTEM RESET

A

Herdware reset release

1

Initialization of reset release

Test program mode

Pin39=Low

Low

Pin39=High

No

B

Yes

Hi

Bup,Acc check		Microcomputer dispatch stop
Acc:Pin15,Bup:Pin16		Power saving mode
Pin16:Low		Pin16:Low
and		and
	Yes

Unit check program start

Pin15:Low Pin15:Low

			Main loop
		Normal		Abnormalities
		Bus communication
C			OFF
		System power on
		ON
		ON		OFF
		DSPPW on (Pin40:H)		DSPPW off (Pin40:L)
				Mute on (Pin42:H)
	DSP initialization failure
D		DSP Initialization OK		Power on commond	No
	DSP error	Normal
	PW lamp on and off	Mute OFF(Pin42:L)		DSPPW on (Pin40:H)
		DSP error	Error
		Pin51:H
E			DSP initialization
		No
			failure	PLD,DSP initialization
				About 3 seconds
	Pin48=H	Un lock
		Pin48:H?
				Mute off (Pin42:L)
	DIT reset	No
	Pin47=L
F	Yes	Bup or Acc off	Pin16:Low and Pin15:Low
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	124	RS-A9/EW
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