Dsp Block Diagram - Pioneer VSX-518-K Service Manual

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4.3 DSP BLOCK DIAGRAM

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DSP ASSY Block Diagram
A
DSP ASSY
B
(VSX-518 : AWX8980)
Analog 2ch in(1)
B SPDIF out(2)
COAX in(2)
SPDIF in(5)
AWX8805,AWX8809 only
C
XM in IC401
XMDT
F2621E-01
TE
L 13942296513
XM Analog 2ch OUT
D
IC902
E
PQ1LAX95MSPQ
1.25V 3.3V
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2
IC601
DIR
AK4114VQ
STBY
SW
TC74VHC157
IC551
DAC
IC751
AK4387ET
STBY
A5V
IC901
PQ1LAX95MSPQ
D5V
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3
8
IC701
CODEC
AK4626AVQ
AWX8805,
AWX8806 SW
only
TC7WH125
IC851
Lip Sync
ML87V5002
Q Q
3 6 7 1 3
AWX8809,
AWX8810,
AWX8812,
AWX8980
only
AWX8805, AWX8809 only
IC953
5 3
LEVEL
SHIFTER Control in
TC74VHC08
IC951
3 5
Control out
LEVEL
SHIFTER
TC74VHCT08
u163
.
VSX-518-K
3
4
2 9 9 4 2 8
X801
24.576MHz
IC802
SDTO
LRCK,BCLK OUT
IC801
DSP
DSPC56371AF180
IC871
LRCK,BCLK IN
SDTI
1 5 0 5 8 2 9
MCLK
SERIAL ROM
IC851
PDC151A8 for
AWX8809, AWX8810
PDC152A8 for
AWX8805, AWX8806
Analog 8ch OUT
6ch OUT(AWX8980 only)
IC952
3 5 Control out
LEVEL
m
SHIFTER
TC74VHCT541
co
4
9 9
9 4 2 8 9 9