Pioneer VSX-2016AV-S Service Manual page 217

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HDMI Troubleshooting
• The parts marked like
in "HDMI &DVC Assy Check Points".
Common section
Step 1-1: Connections
CN1001, CN1002
Are BtoB
connectors inserted
securely?
Yes
Step 1-2: Power supply
V+5
Is the voltage
5 V?
Yes
IC901 (Pin 3)
TE
L 13942296513
Is the voltage
3.3 V?
Yes
V+3R3UC
Is the voltage
3.3 V?
Yes
Step 1-3: Reset
CN1001 (Pin 2)
Is the voltage
"H" (3.3 V)?
Yes
X'TAL
IC501 (Pin 13)
Is there
www
a 15.7 MHz
output?
Yes
.
To Step 2-1: HDMI section
To Step 3-1: Video converter section
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6
V+5
in the following chart are located
No
Insert it securely.
5 V
V+5
No
Check the DSP Assy or AUDIO IN
Assy or DC/DC Assy.
3.3 V
V+3R3
No Check the patterns in the path and
IC901.
If IC901 is failure, replace IC901.
3.3 V (HDMI UCOM)
V+3R3UC
No Check the patterns in the path and
L501.
If L501 is failure, replace L501.
HDRST
O
No
Check the parts and patterns in
the path.
Check the DSP Assy or AUDIO IN
Assy or MAIN CONTROL Assy.
XOUT
U
Check the X501 and IC501.
No
If X501 or IC501 is failure,
replace X501 or IC501.
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HDMI section
Step 2-1: Power supply
CN1001 (Pin 26)
Is the voltage
7 V?
Yes
IC911 (Pin 5)
Is the voltage
5 V?
Yes
V+5D
Is the voltage
5 V?
Yes
V+5E0
Q Q
3 6 7 1 3 1 5
Is the voltage
4.4 V?
Yes
V+5E1
Is the voltage
4.4 V?
Yes
V+3RX
Is the voltage
3.3 V?
Yes
V+3RA
Is the voltage
3.3 V?
Yes
co
.
A
VSX-2016AV-S
7
8
9 4 2 8
7 V
V+7D
No
Check the DSP Assy or AUDIO IN
Assy or DC/DC Assy.
5 V (HDMI OUT)
V+5HD
No
Check the IC911.
If IC911 is failure, replace IC911.
5 V
V+5D
No
Check the R1002.
If R1002 is failure, replace R1002.
5 V (HDMI IN1)
0 5 8 2 9 9 4 2 8
V+5E0
No
Check the D151.
If D151 is failure, replace D151.
5 V (HDMI IN2)
V+5E1
No
Check the D171.
If D171 is failure, replace D171.
3.3 V (HDMI Rx)
V+3RX
No
Check the L103.
If L103 is failure, replace L103.
3.3 V (HDMI RA)
V+3RA
No
Check the L104.
If L104 is failure, replace L104.
m
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A
B
C
9 9
D
E
F
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