Service manual

30
VSX-918V-K
1
2 3 4
A
B
C
D
E
F
1
2 3 4
Step 8: DSP output (digital)
Ye s
Digital output of each CH when inputting the digital
signal with audio.
Replace IC201.
IC201 (Pin 6)
Surround L/R data
No
Is the output
0 V fixing?
Ye s
Replace IC201.
IC201 (Pin 7)
Front L/R data
No
Is the output
0 V fixing?
Replace IC201.
Ye s
IC201 (Pin 5)
Center/LFE data
No
Is the output
0 V fixing?
Replace IC201.
Ye s
IC201 (Pin 5)
Center/LFE data
No
Is there
a data output?
Replace IC201.
Ye s
IC201 (Pin 6)
Surround L/R data
No
Is there
a data output?
Replace IC201.
Ye s
IC201 (Pin 7)
Front L/R data
No
Is there
a data output?
(0 V ⇔ 3.3 V)
(0 V ⇔ 3.3 V)
(0 V ⇔ 3.3 V)
Digital output of each CH when inputting the digital
signal (-∞ dB (no audio)).
To Step 9 (AWX9162)
To Step 10 (AWX9163)
Step 9: LIPSYNC output (Digital) (AWX9162 only)
To Step 10
Is there
a data output?
Check that the data and clock signals are output.
Replace IC271.
Ye s
IC271 (Pin 31)
LSLK (LR clock)
No
Replace IC271.
Ye s
Ye s
IC271 (Pin 30)
LSBK (Bit clock)
No
Is there
a bit clock
output?
Replace IC271.
IC271 (Pin 29)
Front L/R data
No
Is there
a LR clock
output?
(0 V ⇔ 3.3 V)
(0 V ⇔ 3.3 V)
(0 V ⇔ 3.3 V)
Is there
a data output?
Ye s
Replace IC271.
IC271 (Pin 28)
Surround L/R data
No
(0 V ⇔ 3.3 V)
Is there
a data output?
Ye s
Replace IC271.
IC271 (Pin 27)
Center/LFE data
No
(0 V ⇔ 3.3 V)