Pioneer VSX-03TXH Service Manual page 35

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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?
Yes
IC601 (Fch) (Pin 11)
Is there
a data output?
Yes
IC621 (Sch) (Pin 8)
Is there
a data output?
Yes
IC621 (Sch) (Pin 11)
TE
L 13942296513
Is there
a data output?
Yes
IC641 (Cch) (Pin 8)
Is there
a data output?
Yes
IC641 (Cch) (Pin 11)
Is there
a data output?
Yes
IC661 (SBch) (Pin 8) Surround Back R out
Is there
a data output?
Yes
IC661 (SBch) (Pin 11) Surround Back L out
www
Is there
a data output?
.
Yes
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Front R out
No
Replace IC601.
Front L out
No
Replace IC601.
Surround R out
No
Replace IC621.
Surround L out
No
Replace IC621.
LFE out
No
Replace IC641.
Center out
No
Replace IC641.
No
Replace IC661.
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y
No
Replace IC661.
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8
Analog output of each CH when inputting the digital
signal (-∞ dB (no audio)).
IC601 (Fch) (Pin 8)
Is the output
2.5 V fixing?
Yes
IC601 (Fch) (Pin 11)
Is the output
2.5 V fixing?
Yes
IC621 (Sch) (Pin 8)
Is the output
2.5 V fixing?
Yes
IC621 (Sch) (Pin 11)
Q Q
3 6 7 1 3 1 5
Is the output
2.5 V fixing?
Yes
IC641 (Cch) (Pin 8)
Is the output
2.5 V fixing?
Yes
IC641 (Cch) (Pin 11)
Is the output
2.5 V fixing?
Yes
IC661 (SBch) (Pin 8) Surround Back R out
Is the output
2.5 V fixing?
Yes
IC661 (SBch) (Pin 11) Surround Back L out
co
Is the output
.
2.5 V fixing?
Yes
End
VSX-03TXH
7
8
9 4 2 8
Front R out
No
Replace IC601.
Front L out
No
Replace IC601.
Surround R out
No
Replace IC621.
Surround L out
0 5 8 2 9 9 4 2 8
No
Replace IC621.
LFE out
No
Replace IC641.
Center out
No
Replace IC641.
No
Replace IC661.
m
No
Replace IC661.
8
9 9
A
B
C
9 9
D
E
F
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