Diagnosis; Operational Flowchart - Pioneer AVH-P3100DVD/XN/UC Service Manual

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5. DIAGNOSIS

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5.1 OPERATIONAL FLOWCHART

A
Vdd : pin 23
BSENS : pin8
B
ASENS : pin9
STANDBY : pin27
ASENBO : pin123
C
VDCNT5 : pin25
VDCNT8 : pin26
TE
L 13942296513
D
SYSPW : pin128
E
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RESET
Vdd = 3.3 V?
Y
BSENS = L?
Y
ASENS = L?
Y
STANDBY = H?
Y
ASENBO <- H
VDCNT5,8 <- H
Starts
Communication
with Display microcomputer
Source keys operartive
Source ON
SYSPW <- H
x ao
y
. i
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8
Standby
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3 6 7 1 3
u163
.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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co
4
9 9
2 8 9 9