Pioneer VSX-918V-S Service Manual page 30

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Step 8: DSP output (digital)
3 7 63 1515 0
Digital output of each CH when inputting the digital
signal with audio.
A
Center/LFE data
IC201 (Pin 5)
Is there No
Replace IC201.
a data output?
(0 V ⇔ 3.3 V)
Yes
Surround L/R data
IC201 (Pin 6)
Is there No
Replace IC201.
a data output?
B
(0 V ⇔ 3.3 V)
Yes
IC201 (Pin 7) Front L/R data
No
Is there
Replace IC201.
a data output?
(0 V ⇔ 3.3 V)
Yes
Digital output of each CH when inputting the digital
signal (-∞ dB (no audio)).
C
IC201 (Pin 5) Center/LFE data
No
Is the output
Replace IC201.
0 V fixing?
TE
L 13942296513
Yes
Surround L/R data
IC201 (Pin 6)
No
Is the output
Replace IC201.
0 V fixing?
D
Yes
IC201 (Pin 7) Front L/R data
No
Is the output
Replace IC201.
0 V fixing?
Yes
To Step 9 (AWX9162)
To Step 10 (AWX9163)
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Step 9: LIPSYNC output (Digital) (AWX9162 only)
8
Check that the data and clock signals are output.
LSLK (LR clock)
IC271 (Pin 31)
Is there
No
a LR clock
output?
(0 V ⇔ 3.3 V)
Yes
IC271 (Pin 30) LSBK (Bit clock)
Is there
No
a bit clock
output?
(0 V ⇔ 3.3 V)
Yes
Front L/R data
IC271 (Pin 29)
Is there No
a data output?
(0 V ⇔ 3.3 V)
Yes
Surround L/R data
IC271 (Pin 28)
Is there No
a data output?
(0 V ⇔ 3.3 V)
Yes
Q Q
Center/LFE data
IC271 (Pin 27)
3 6 7 1 3
Is there No
a data output?
(0 V ⇔ 3.3 V)
Yes
To Step 10
u163
.
3
4
2 9 9 4 2 8
Replace IC271.
Replace IC271.
Replace IC271.
Replace IC271.
1 5 0 5 8 2 9 9 4
Replace IC271.
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co
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9 9
2 8 9 9