Pioneer VSX-2016AV-S Service Manual page 207

5
QQ
3 7 63 1515 0
G
IC651 (Pin 6)
Is there
a bit clock
input?
Yes
To Step 5
Step 4-3-2: When a sound is not out with the HDMI
(When the source is compression or
less than PCM48k)
IC301 (Pin 48)
Can
observer the
digital signal
?
(0 V ⇔ 3.3 V)
Yes
IC651 (Pin 1)
Is the voltage
TE
L 13942296513
3.3 V?
Yes
IC651 (Pin 10)
Is there
a master clock input
(24.576 MHz)?
Yes
IC651 (Pin 13)
Is there
a LR clock
input?
Yes
IC651 (Pin 3)
Is there
a audio data
input?
Yes
IC651 (Pin 6)
www
Is there
a bit clock
.
input?
Yes
To Step 5
5
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6
• : KUXJ and KUXJCA types only
HBCK
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC651.
SPDIF
No Check the parts and patterns
in the path from the HDMI ASSY.
HDSW
No
Check the path to the microcomputer.
HMCK
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC651.
HLR
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC651.
HFDT
Is there
No
No
abnormality at the
parts and patterns
in the input path?
Replace IC651.
HBCK
x ao u163
y
Is there
No
No
abnormality at the
parts and patterns
i
in the input path?
Replace IC651.
6
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7
2 9
8
Step 4-4: When a sound is not out with the XM
Radio
Insert the XM Antenna and check it.
IC501 (Pins 26,28) OSC
Does
crystal oscillate
about 2 to 3 Vp-p?
Yes
IC501 (Pin 9)
Is the
input signal
3.3 V?
Yes
IC501 (Pins 3,5)
Does
I/O signal operate
with 0 V to
3 V?
Yes
IC501 (Pin 7)
Q Q
3 6 7 1 3 1 5
Is the
input signal
0 V?
Yes
IC501 (Pins 18,19) COMM_RX_P/M
Is a
signal unstable at
200mVp-p level?
Yes
(About 1.2 V center)
IC601 (Pin 1)
Is the
voltage
3.3 V?
Yes
IC651 (Pin 1)
co
Is the
voltage
.
0 V?
Yes
H
VSX-2016AV-S
7
8
9 4 2 8
No
If there is not abnormality in the path
to the crystal, replace IC501 or ICX501.
XMRST3
No
Check the path to the microcomputer.
XMDI3, XMDO3
No
Check the path to the microcomputer.
XMCS3
0 5 8 2 9 9 4 2 8
No
Check the path to the microcomputer.
Is a
No
signal of CN501-
No
pins 2 and 3 unstable
at 200mVp-p level?
Yes
Abnormality in XM
Antenna or replace
IC501.
Check the parts and
patterns in the input path.
XMSW3
No
Check the path to the microcomputer.
m
HDSW
No
Check the path to the microcomputer.
9 9
A
B
C
9 9
D
E
F
207
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