32
VSX-LX52
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Replace IC651.
Yes
CN501 (Pin 9)
Surround R out
No
Replace IC601.
Yes
CN501 (Pin 7)
Front L out
No
Replace IC601.
Yes
CN501 (Pin 5)
Front R out
No
Replace IC701.
Yes
CN501 (Pin 15)
Center out
No
Replace IC701.
Yes
CN501 (Pin 13)
LFE out
No
Replace IC751.
Yes
CN501 (Pin 19)
Surround Back L out
No
Replace IC751.
Yes
CN501 (Pin 17)
Surround Back R out
No
Replace IC651.
Yes
CN501 (Pin 11)
Surround L out
No
Analog output of each CH when inputting the digital
signal (-
∞
dB (no audio)).
End
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Is the output
2.5 V fixing?
Replace IC651.
Yes
CN501 (Pin 9)
Surround R out
No
Is there
a data output?
Replace IC601.
Yes
CN501 (Pin 7)
Front L out
No
Is there
a data output?
Replace IC601.
Yes
CN501 (Pin 5)
Front R out
No
Is there
a data output?
Step 7: DAC output (analog)
Analog output of each CH when inputting the digital signal
with audio.
Replace IC701.
Yes
CN501 (Pin 15)
Center out
No
Is there
a data output?
Replace IC701.
Yes
CN501 (Pin 13)
LFE out
No
Is there
a data output?
Replace IC751.
Yes
CN501 (Pin 19)
Surround Back L out
No
Is there
a data output?
Replace IC751.
Yes
CN501 (Pin 17)
Surround Back R out
No
Is there
a data output?
Replace IC651.
Yes
CN501 (Pin 11)
Surround L out
No
Is there
a data output?
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