Pioneer VSX-917V-K Service Manual page 113
Audio/video multi-channel receiver
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Also See for VSX-917V-K:
- Service manual (140 pages) ,
- Operating instructions manual (74 pages) ,
- Specifications (2 pages)
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5
A
Step 2-4: Source 5 V
* When connected the source
equipment to IN1.
+5 V (HDMI IN1)
Q153 Emitter
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)
Q154 Emitter
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)
R386
B-1
No
Check the JA301.
Is the voltage
"H" (5 V)?
If JA301 is failure, replace JA301.
Yes
HPD_IN
CN318 (Pin 9)
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
CN318 (Pin 8)
A
Is the
voltage "L"
Diagnose between the BOARD
No
when selecting IN1?
TO BOARD Assy and MAIN Assy.
And is the voltage "H"(5V)
when selecting
IN2?
Yes
HPD1
CN318 (Pin 7)
A
Is the
voltage "H"(5V)
Diagnose between the BOARD
No
when selecting IN1?
TO BOARD Assy and MAIN Assy.
And is the voltage "L"
when selecting
IN2?
Yes
5
6
Q151 Collector
voltage "H"(5V)
when selecting IN1?
And is the voltage "L"
when selecting
Q152 Collector
voltage "L"
when selecting IN1?
And is the voltage "H"(5V)
when selecting
Step 2-6: DDC
IC103 (Pin 3)
a signal output in
constant period
(0 to 5 V)
IC103 (Pin 2)
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-917V-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
113
8
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Troubleshooting
