VSX-1017AV-K
47
5
6
7
8
5
6
7
8
C
D
F
A
B
E
B
A
Step
2-5:
Hot
Plug
Detect
JA
3
01
(Pin
19)
Step
2-6:
DDC
HPD
(HDM
I O
U
T
)
B-1
B-2
I
s
the
voltage
"
H
"
(5
V)
?
Check
the
JA
3
01.
I
f
JA
3
01
is
failure,
replace
JA
3
01.
Check
the
D
3
81
and
R
3
89.
I
f
D
3
81
or
R
3
89
is
failure,
replace
D
3
81
or
R
3
89.
Check
the
Q151
and
JA101.
I
f
Q151
or
JA101
is
failure,
replace
Q151
or
JA101.
Yes
Yes
C
N
1001
(Pin
1)
HPD
_IN
A
I
s
the
voltage
"
H
"
(5
V)
?
Yes
N
o
N
o
A
Diagnose
between
the
BR
I
DGE
1
-
L
Assy
and
MA
IN
Assy.
Yes
C
N
1001
(Pin
2
)
I
s
the
voltage
"
L
"
when
selecting
IN
1
?
And
is
the
voltage
"
H
"
(5V)
when
selecting
IN2?
N
o
Diagnose
between
the
BR
I
DGE
1
-
L
Assy
and
MA
IN
Assy.
N
o
HPD0
A
Yes
C
N
1001
(Pin
3
)
I
s
the
voltage
"
H
"
(5V)
when
selecting
IN
1
?
And
is
the
voltage
"
L
"
when
selecting
IN2?
HPD1
N
o
Yes
JA101
(Pin
19)
I
s
the
voltage
"
H
"
(5V)
when
selecting
IN
1
?
And
is
the
voltage
"
L
"
when
selecting
IN2?
HPD
(HDM
I IN
1)
B-3
Check
the
Q171
and
JA10
2
.
I
f
Q171
or
JA10
2
is
failure,
replace
Q171
or
JA10
2
.
N
o
JA10
2
(Pin
19)
I
s
the
voltage
"
L
"
when
selecting
IN
1
?
And
is
the
voltage
"
H
"
(5V)
when
selecting
IN2?
HPD
(HDM
I IN2
)
JA
3
01
(Pin
16)
SDA
(HDM
I O
U
T
)
SDA
(HDM
I IN
1)
*
When
connected
the
source
equipment
to
IN
1.
D-1
Does
a
signal
output
in
constant
period
(0
to
5
V)
?
Check
the
JA
3
01
and
I
C10
3
.
I
f
JA
3
01
or
I
C10
3
is
failure,
replace
JA
3
01
or
I
C10
3
.
N
o
N
o
N
o
N
o
Yes
JA
3
01
(Pin
15)
SCL
(HDM
I O
U
T
)
SCL
(HDM
I IN
1)
D-2
Does
a
clock
output
in
constant
period
(0
to
5
V)
?
Check
the
JA
3
01
and
I
C10
3
.
I
f
JA
3
01
or
I
C10
3
is
failure,
replace
JA
3
01
or
I
C10
3
.
Yes
JA101
(Pin
16)
D-3
I
s
there
a
same
signal
as
D
-
1
when
selecting
IN
1
?
Yes
Check
the
I
C10
2
and
JA101.
I
f
I
C10
2
or
JA101
is
failure,
replace
I
C10
2
or
JA101.
Check
the
I
C10
2
and
JA101.
I
f
I
C10
2
or
JA101
is
failure,
replace
I
C10
2
or
JA101.
JA101
(Pin
15)
D-4
I
s
there
a
same
signal
as
D
-2
when
selecting
IN
1
?
Yes
Step
2-4:
Source
5
V
JA101
(Pin
18)
I
s
the
voltage
5
V
?
N
o
+5
V
(HDM
I IN
1)
Check
the
JA101.
I
f
JA101
is
failure,
replace
JA101.
C-1
Yes
JA10
2
(Pin
18)
I
s
the
voltage
5
V
?
N
o
+5
V
(HDM
I IN2
)
Check
the
JA10
2
.
I
f
JA10
2
is
failure,
replace
JA10
2
.
C-2
Yes
*
When
connected
the
source
equipment
to
IN
1.
*
When
connected
the
source
equipment
to
IN2
.