Pioneer VSX-2016AV-S Service Manual page 220

1
QQ
3 7 63 1515 0
A
C
SCL (HDMI IN2)
JA102 (Pin 15)
Does
a clock output in No
constant period
(0 to 5 V)
?
Yes
IC172 (Pin 7)
B
Is there
No
a same signal as D-7
(0 to 4.4 V)?
Yes
IC172 (Pin 4)
Is there
No
a same signal as D-8
(0 to 4.4 V)?
C
Yes
Q173 (S) DSDA1
TE
L 13942296513
Is there
No
a same signal as D-7
(0 to 3.3 V)?
Yes
Q173 (S)
DSCL1
D
Is there
No
a same signal as D-8
(0 to 3.3 V)?
Yes
SDA (HDMI OUT)
JA301 (Pin 16)
Does
a signal output in No
constant period
(0 to 5 V)
E
?
SCL (HDMI OUT)
JA301 (Pin 15)
Does
a clock output in
No
constant period
(0 to 5 V)
www
?
Yes
F
220
1
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2
D-8
Check the patterns and JA102 in
the path.
If JA102 is failure, replace JA102.
D-9
Check the patterns, IC172 or
IC173 in the path.
If IC172 or IC173 is failure,
replace IC172 or IC173.
D-10
Check the patterns, IC172 or
IC173 in the path.
If IC172 or IC173 is failure,
replace IC172 or IC173.
D-11
Check the patterns and Q173 in
the path.
If Q173 is failure, replace Q173.
D-12
Check the patterns and Q173 in
the path.
If Q173 is failure, replace Q173.
D-13
Check the patterns and JA301 in
the path.
If JA301 is failure, replace JA301.
D-14
Check the patterns and JA301 in
the path.
If JA301 is failure, replace JA301.
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y
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VSX-2016AV-S
2
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3
8
Q353 (S)
Is there a
same signal as D-13
(0 to 3.3 V)?
Yes
Q353 (S)
Is there a
same signal as D-14
(0 to 3.3 V)?
Yes
Step 2-6: VIDEO CLK, DATA
DCK
Is there a clock?
Yes
D0 to D7
Q Q
3 6 7 1 3
Is there a data?
Yes
D8 to D15
Is there a data?
Yes
D16 to D23
Is there a data?
Yes
Step 2-7: AUDIO CLK, DATA
IC202 (Pin 2), IC203 (Pin9)
u163
Is there a clock?
.
Yes
D
3
4
2 9 9 4 2 8
DSDA
D-15
No Check the patterns and Q353 in
the path.
If Q353 is failure, replace Q353.
DSCL
D-16
Check the patterns and Q353 in
No
the path.
If Q353 is failure, replace Q353.
DCK
E
Check the parts and patterns in
No
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
D0 to D7 *Skip at analog to HDMI
1 5 0 5 8 2 9 9 4
F
Check the parts and patterns in
No
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
D8 to D15
G
Check the parts and patterns in
No
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
D16 to D23 *Skip at analog to HDM
480i/576i
H
Check the parts and patterns in
No
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
MCLK
m
I
Check the parts and patterns in
co No
the path (IC101 to IC202, IC203
and IC301).
If IC101 is failure, replace IC101.
4
9 9
2 8 9 9