Pioneer VSX-2016AV-S Service Manual page 219

5
QQ
3 7 63 1515 0
B
JA301 (Pin 19)
Is the voltage
"H" (5 V)?
Yes
IC301 (Pin 18)
Is the voltage
"H" (3.3 V)?
Yes
Step 2-4: Source 5 V
JA101 (Pin 18)
Is the voltage
5 V?
Yes
TE
L 13942296513
IC101 (Pin 34)
Is the voltage
"H" (3.3 V)?
Yes
JA102 (Pin 18)
Is the voltage
5 V?
Yes
IC101 (Pin 33)
Is the voltage
"H" (3.3 V)?
Yes
www
.
5
http://www.xiaoyu163.com
6
HPD (HDMI OUT)
B-5
No
Check the patterns and JA301 in
the path.
If JA301 is failure, replace JA301.
HPD (HDMI Tx)
B-6
No
Check the patterns, D381 or R389
in the path.
If D381 or R389 is failure,
replace D381 or R389.
* When connected the source
equipment to IN1.
V+5R0 (HDMI IN1)
C-1
No
Check the JA101.
If JA101 is failure, replace JA101.
R0PWR5V
C-2
No
Check the parts and patterns in
the path.
If Q101 or R133 is failure,
replace Q101 or R133.
* When connected the source
equipment to IN2.
V+5R1 (HDMI IN2)
C-3
No
Check the JA102.
If JA102 is failure, replace JA102.
R1PWR5V
C-4
Check the parts and patterns in
the path.
If Q101 or R134 is failure,
replace Q101 or R134.
x ao u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
Step 2-5: DDC
JA101 (Pin 16)
Does
a signal output in
constant period
(0 to 5 V)
?
Yes
JA101 (Pin 15)
Does
a clock output in
constant period
(0 to 5 V)
?
Yes
IC152 (Pin 7)
Is there
a same signal as D-1
(0 to 4.4 V)?
Yes
Q Q
3 6 7 1 3 1 5
IC152 (Pin 4)
Is there
a same signal as D-2
(0 to 4.4 V)?
Yes
Q153 (S)
Is there
a same signal as D-1
(0 to 3.3 V)?
Yes
Q153 (S)
Is there
a same signal as D-2
(0 to 3.3 V)?
Yes
JA102 (Pin 16)
Does co
a signal output in
constant period
.
(0 to 5 V)
?
Yes
C
VSX-2016AV-S
7
8
9 4 2 8
* When connected the source
equipment to IN1.
SDA (HDMI IN1)
D-1
No Check the patterns and JA101 in
the path.
If JA101 is failure, replace JA101.
SCL (HDMI IN1)
D-2
No
Check the patterns and JA101 in
the path.
If JA101 is failure, replace JA101.
D-3
Check the patterns, IC152 or
No
IC153 in the path.
If IC152 or IC153 is failure,
replace IC152 or IC153.
0 5 8 2 9 9 4 2 8
D-4
Check the patterns, IC152 or
No
IC153 in the path.
If IC152 or IC153 is failure,
replace IC152 or IC153.
DSDA0
D-5
Check the patterns and Q153 in
No
the path.
If Q153 is failure, replace Q153.
DSCL0
D-6
Check the patterns and Q153 in
No
the path.
If Q153 is failure, replace Q153.
* When connected the source
equipment to IN2.
SDA (HDMI IN2)
m
D-7
Check the patterns and JA102 in
No
the path.
If JA102 is failure, replace JA102.
9 9
A
B
C
9 9
D
E
F
219
8