Pioneer VSX-2016AV-S Service Manual page 220

1
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
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)
?
Yes
F
220
1
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.
VSX-2016AV-S
2
3
Q353 (S) DSDA
D-15
Is there a
No Check the patterns and Q353 in
same signal as D-13
the path.
(0 to 3.3 V)?
If Q353 is failure, replace Q353.
Yes
Q353 (S)
DSCL
D-16
Is there a
Check the patterns and Q353 in
No
same signal as D-14
the path.
(0 to 3.3 V)?
If Q353 is failure, replace Q353.
Yes
Step 2-6: VIDEO CLK, DATA
DCK
DCK
E
Check the parts and patterns in
No
Is there a clock?
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
Yes
D0 to D7
D0 to D7
F
Check the parts and patterns in
No
Is there a data?
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
Yes
D8 to D15
D8 to D15
G
Check the parts and patterns in
No
Is there a data?
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
Yes
D16 to D23
D16 to D23
H
Check the parts and patterns in
No
Is there a data?
the path (IC101 to IC301).
If IC101 is failure, replace IC101.
Yes
Step 2-7: AUDIO CLK, DATA
IC202 (Pin 2), IC203 (Pin9)
MCLK
Check the parts and patterns in
No
Is there a clock?
the path (IC101 to IC202, IC203
and IC301).
If IC101 is failure, replace IC101.
Yes
D
3
4
*Skip at analog to HDMI
*Skip at analog to HDM
480i/576i
I
4