Diagnosis; Operational Flowchart - Pioneer AVH-X8500BHS Service Manual

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5

5. DIAGNOSIS

5.1 OPERATIONAL FLOWCHART

/BSENS : pin 20
/ASENS : pin 21
/DSENS1 : pin 176
DSENS2 : pin 172
0.3 - 0.7VDD?
ASENBO : pin 35
ASENBO L⇒H
DDCCLK : pin 45
DDCCLK CLKOUT
VD5 : pin 113
VD5,VD8 L⇒H
VD8 : pin 114
Start Communication
DVD Mechanism Module
Source Keys operatable.
SYSPW : pin 130
5
6
RESET
VDD33=3.3v?
Y
/BSENS=L?
Y
/ASENS=L?
Y
/DSENS1=L?
Y
DSENS2=
Y
IC1004(SoC)
and
IC1004(SoC)
/STB=H?
or
LS2 /STB=H?
Y
Source ON
SYSPW L⇒H
AVH-X8500BHS/XNUC
6
7
Standby
7
8
A
B
C
D
E
F
41
8

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