Pioneer VSX-1018AH-K Service Manual page 33

5
B
Front L/R data
IC401 (Pin 125)
No
Is the output
Replace IC401.
0 V fixing?
Yes
Surround Back L/R data
IC401 (Pin 122)
No
Is the output
Replace IC401.
0 V fixing?
Yes
Check that the clock signal is output.
DAMC (Master clock)
IC501 (Pin 3)
Is there
No
a master clock Replace IC501.
output?
(0 V ⇔ 3.3 V)
Yes
DABC (Bit clock)
IC501 (Pin 6)
Is there
No
a bit clock Replace IC501.
output?
(0 V ⇔ 3.3 V)
Yes
IC501 (Pin 11) DALR (LR clock)
Is there
No
a LR clock Replace IC501.
output?
(0 V ⇔ 3.3 V)
Yes
To Step 9
5
6
Step 9: DAC output (analog)
Analog output of each CH when inputting the digital
signal with audio.
IC601 (Fch) (Pin 8)
Is there
a data output?
IC601 (Fch) (Pin 11)
Is there
a data output?
IC621 (Sch) (Pin 8)
Is there
a data output?
IC621 (Sch) (Pin 11)
Is there
a data output?
IC641 (Cch) (Pin 8)
Is there
a data output?
IC641 (Cch) (Pin 11)
Is there
a data output?
IC661 (SBch) (Pin 8) Surround Back R out
Is there
a data output?
IC661 (SBch) (Pin 11) Surround Back L out
Is there
a data output?
VSX-LX51
6
7
Front R out
No
Replace IC601.
Yes
Front L out
No
Replace IC601.
Yes
Surround R out
No
Replace IC621.
Yes
Surround L out
No
Replace IC621.
Yes
LFE out
No
Replace IC641.
Yes
Center out
No
Replace IC641.
Yes
No
Replace IC661.
Yes
No
Replace IC661.
Yes
C
7
8
A
B
C
D
E
F
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