Pioneer VSX-1017AV-K Service Manual page 47

5
A
Step 2-4: Source 5 V
* When connected the source
equipment to IN1.
+5 V (HDMI IN1)
JA101 (Pin 18)
C-1
No
Check the JA101.
Is the voltage
If JA101 is failure, replace JA101.
5 V?
Yes
* When connected the source
equipment to IN2.
+5 V (HDMI IN2)
JA102 (Pin 18)
C-2
No
Check the JA102.
Is the voltage
If JA102 is failure, replace JA102.
5 V?
Yes
Step 2-5: Hot Plug Detect
HPD (HDMI OUT)
JA301 (Pin 19)
B-1
No
Check the JA301.
Is the voltage
"H" (5 V)?
If JA301 is failure, replace JA301.
Yes
HPD_IN
CN1001 (Pin 1)
A
No
Check the D381 and R389.
Is the voltage
"H" (5 V)? If D381 or R389 is failure,
replace D381 or R389.
Yes
HPD0
CN1001 (Pin 2)
A
Is the
voltage "L"
Diagnose between the
No
when selecting IN1?
BRIDGE 1-L Assy and MAIN Assy.
And is the voltage "H"(5V)
when selecting
IN2?
Yes
HPD1
CN1001 (Pin 3)
A
Is the
voltage "H"(5V)
Diagnose between the
No
when selecting IN1?
BRIDGE 1-L Assy and MAIN Assy.
And is the voltage "L"
when selecting
IN2?
Yes
5
6
JA101 (Pin 19)
voltage "H"(5V)
when selecting IN1?
And is the voltage "L"
when selecting
JA102 (Pin 19)
voltage "L"
when selecting IN1?
And is the voltage "H"(5V)
when selecting
Step 2-6: DDC
JA301 (Pin 16)
a signal output in
constant period
(0 to 5 V)
JA301 (Pin 15)
a clock output in
constant period
(0 to 5 V)
JA101 (Pin 16)
Is there a
same signal as D-1
when selecting
JA101 (Pin 15)
Is there a
same signal as D-2
when selecting
VSX-1017AV-K
6
7
HPD (HDMI IN1)
B-2
Is the
Check the Q151 and JA101.
No
If Q151 or JA101 is failure,
replace Q151 or JA101.
IN2?
Yes
HPD (HDMI IN2)
B-3
Is the
Check the Q171 and JA102.
No
If Q171 or JA102 is failure,
replace Q171 or JA102.
IN2?
Yes
SDA (HDMI OUT)
D-1
Does
No Check the JA301 and IC103.
If JA301 or IC103 is failure,
replace JA301 or IC103.
?
Yes
SCL (HDMI OUT)
D-2
Does
No Check the JA301 and IC103.
If JA301 or IC103 is failure,
replace JA301 or IC103.
?
Yes
* When connected the source
equipment to IN1.
SDA (HDMI IN1)
D-3
Check the IC102 and JA101.
No
If IC102 or JA101 is failure,
replace IC102 or JA101.
IN1?
Yes
SCL (HDMI IN1)
D-4
Check the IC102 and JA101.
No
If IC102 or JA101 is failure,
replace IC102 or JA101.
IN1?
Yes
B
7
8
A
B
C
D
E
F
47
8