Pioneer XV-DV940 Service Manual page 95

5
Step 5
IC8201
Is SPDIF signal coming?
(be different with Function)
Check
No
the DVD/CD
(pin 7).
Yes
Check
No
the OPTICAL IN
(pin 48).
Yes
Is
MCKO1 (pin 23) No
outputting it?
Yes
Is
LRCK (pin 24) No
outputting it?
Yes
Is
SDTO (pin 25) No
outputting it?
Yes
Is
No
BCK (pin 26)
outputting it?
Yes
IC8502-pin2
Is
No
20MHz clock
outputting it?
Yes
End
5
6
Check the other assemblies.
(AF Assy or DVDM Assy)
Check the OPTICAL IN line between VIDEO ASSY and DSP ASSY.
(Optical Input Jack or Connectors)
Is input
signal of PDN No Check the other assemblies.
(pin 31) "H"?
(periphery of microcomputer on the AF Assy)
Yes
Do not
No
oscillate of XTO
(pin 29)?
Note:
X8201 oscillates
Yes
only in analog input.
Replace IC8201.
Replace IC8201.
Replace IC8201.
Replace IC8502 or X8501.
XV-DV830
6
7
Is output
No
signal of INT0
Replace IC8201.
(pin 36) "H"?
Yes
7
8
A
B
C
D
E
F
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