Explanation; Operational Flow Chart - Pioneer CDX-M8317ZT X1H/UC Service Manual

CDX-M8317ZT

7.3 EXPLANATION

7.3.1 OPERATIONAL FLOW CHART

BATT ON
VCC=5V
Pin 71
BSENS
Pin 74
power ← H Pin 26
adena ← L Pin 69
VDIN
Pin 1
mag
Pin 23
dopnsw
Pin 12
DISC Search
power ← L Pin 26
BUS mode
Source = Multi-CD
power ← H Pin 26
adena ← L Pin 69
VDIN
Pin 1
Start the CD player
46
>
BSENS = 1.28V
<
<
1.3V = VDIN = 2.1V
OFF (dopnsw=H)
(When the door-is-open SW is OFF)
BUS mode is active mode.
(*1)
YES
< <
1.3V = VDIN = 2.1V
Error message "A0"
POWER ← L
Stand-by
(When BUS is in sleep mode.)
(*1)
When H/D is detecting ACC off, etc.,
Bus gets is sleep mode eventually.
Error message "A0"
(*1)