Pioneer VSX-1020-K Service Manual page 29

5
Step 7: DAC output (analog)
Analog output of each CH when inputting the digital signal
with audio.
Front R out
CN501 (Pin 5)
No
Is there
Replace IC601.
a data output?
34
Yes
Front L out
CN501 (Pin 7)
Is there No
Replace IC601.
a data output?
34
Yes
CN501 (Pin 9) Surround R out
No
Is there
Replace IC651.
a data output?
34
Yes
Surround L out
CN501 (Pin 11)
No
Is there
Replace IC651.
a data output?
34
Yes
Sub Woofer out
CN501 (Pin 13)
No
Is there
Replace IC701.
a data output?
34
Yes
CN501 (Pin 15) Center out
No
Is there
Replace IC701.
a data output?
34
Yes
CN501 (Pin 17) Surround Back R out
No
Is there
Replace IC751.
a data output?
34
Yes
CN501 (Pin 19) Surround Back L out
No
Is there
Replace IC751.
a data output?
34
Yes
5
6
Analog output of each CH when inputting the digital
signal (-∞
CN501 (Pin 5)
Is the output
2.5 V fixing?
34
CN501 (Pin 7)
Is the output
2.5 V fixing?
34
CN501 (Pin 9)
Is the output
2.5 V fixing?
34
CN501 (Pin 11)
Is the output
2.5 V fixing?
34
CN501 (Pin 13)
Is the output
2.5 V fixing?
34
CN501 (Pin 15)
Is the output
2.5 V fixing?
34
CN501 (Pin 17)
Is the output
2.5 V fixing?
34
CN501 (Pin 19)
Is the output
2.5 V fixing?
34
VSX-1020-K
6
7
dB (no audio)).
Front R out
No
Replace IC601.
Yes
Front L out
No
Replace IC601.
Yes
Surround R out
No
Replace IC651.
Yes
Surround L out
No
Replace IC651.
Yes
Sub Woofer out
No
Replace IC701.
Yes
Center out
No
Replace IC701.
Yes
Surround Back R out
No
Replace IC751.
Yes
Surround Back L out
No
Replace IC751.
Yes
End
7
8
A
B
C
D
E
F
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