29
VSX-819H-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
IC1002 (Pins 30,31,33,34,36,37,39,40) TMDS OUTPUT
SDA (HDMI I
N
2 (T
V
/SAT))
N
o
IC1001 (Pin 40)
Is
there a same
signal as IC1002-pin 49
when selecting
IN2?
Yes
Check the IC1001 and JACK1002.
If IC1001 or JACK1002 is failure,
replace IC1001 or JACK1002.
*
W
hen connected the equipment to I
N
2 (T
V
/SAT):
SCL (HDMI I
N
2 (T
V
/SAT))
N
o
IC1001 (Pin 39)
Is
there a same
signal as IC1002-pin 48
when selecting
IN2?
Yes
Check the IC1001 and JACK1002.
If IC1001 or JACK1002 is failure,
replace IC1001 or JACK1002.
Check the IC1001 or IC1002.
If IC1001 or IC1002 is failure,
replace IC1001 or IC1002.
(0 to 5
V
)
(0 to 5
V
)
End
N
o
Are there
signals(approx. 0.5
V
p-p) in all
lines?
Yes
Step
8
: TMDS
SDA (HDMI I
N
3 (D
V
R/
V
CR))
N
o
IC1001 (Pin 36)
Is
there a same
signal as IC1002-pin 49
when selecting
IN3?
Yes
Check the IC1001 and JACK1001.
If IC1001 or JACK1001 is failure,
replace IC1001 or JACK1001.
*
W
hen connected the equipment to I
N
3 (D
V
R/
V
CR):
SCL (HDMI I
N
3 (D
V
R/
V
CR))
N
o
IC1001 (Pin 35)
Is
there a same
signal as IC1002-pin 48
when selecting
IN3?
Yes
Check the IC1001 and JACK1001.
If IC1001 or JACK1001 is failure,
replace IC1001 or JACK1001.
(0 to 5
V
)
(0 to 5
V
)
To Step
8
IC1002 (Pin 47)
SDA (HDMI OUT)
SDA (HDMI I
N
1(BD/D
V
D))
Does
a signal output in
constant period
(0 to 5
V
)
?
Check the JACK1004 and IC1002.
If JACK1004 or IC1002 is failure,
replace JACK1004 or IC1002.
N
o
N
o
N
o
Yes
IC1002 (Pin 46)
SCL (HDMI OUT)
Does
a clock output in
constant period
(0 to 5
V
)
?
Check the JACK1004 and IC1002.
If JACK1004 or IC1002 is failure,
replace JACK1004 or IC1002.
Yes
IC1001 (Pin 44)
Is
there a same
signal as IC1002-pin 49
when selecting
I
N
1?
Yes
Check the IC1001 and JACK1003.
If IC1001 or JACK1003 is failure,
replace IC1001 or JACK1003.
*
W
hen connected the equipment to I
N
1(BD/D
V
D);
SCL (HDMI I
N
1(BD/D
V
D))
N
o
IC1001 (Pin 43)
Is
there a same
signal as IC1002-pin 4
8
when selecting
I
N
1?
Yes
Check the IC1001 and JACK1003.
If IC1001 or JACK1003 is failure,
replace IC1001 or JACK1003.
SDA_SI
N
K
N
o
N
o
SCL_SI
N
K
IC1002 (Pin 49)
Is
there a same
signal as IC1001-pin 24
(0 to 3.3
V
)
?
Yes
Check the IC1002 and IC1001.
If IC1002 or IC1001 is failure,
replace IC1002 or IC1001.
Check the IC1002 and IC1001.
If IC1002 or IC1001 is failure,
replace IC1002 or IC1001.
IC1002 (Pin 4
8
)
Is
there a same
signal as IC1001-pin 23
(0 to 3.3
V
)
?
Yes
(0 to 5
V
)
(0 to 5
V
)
Step 7: SDA /SCL
Summary of Contents for VSX-819H-K - AV Receiver - Gloss
Page 19: ...19 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F 4 4 U COM BLOCK DIAGRAM P C B SUB ASSY FRONT C ...
Page 49: ...49 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 55: ...55 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 61: ...61 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F J CN401 M CP107 A FL FL FL SL SL SL C C C ...
Page 71: ...71 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F P 2 2 CN805 R 116 ...
Page 73: ...73 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F R CP105 A CP705 C ...
Page 77: ...77 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F B A SIDE B B P C B SUB ASSY P T ...
Page 83: ...83 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F J 01 SIDE A SIDE B ...
Page 87: ...87 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F L SIDE A ...
Page 89: ...89 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F L SIDE B ...
Page 95: ...95 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F P N SIDE B ...
