Pioneer VSX-607RDS Service Manual page 40

VSX-607RDS, VSX-407RDS
CXD2724Q (VOLUME DSP ASSY : IC201)
• DSP IC
•
Block Diagram
RVDT
50
SCK
46
XLAT
49
READY
47
LRCK
58
BCK
57
SI
55
XMST
60
•
Pin Function
No. Pin Name I/O
1-3 T.P O
4 VSS0 –
5-8 T.P O
9 TST0 I
10 VDD0 –
11 VSS1 –
12 TST1 I
13 TST2 I
14 TST3 I
15 TST4 I
16 XRST I
17 BFOT O
18 CSL1 I
19 CSL2 I
20 VSS2 –
21 AVS3 –
22 AVD3 –
23 LOUT O
24 AVD1 –
25 AVS1 –
26 LO1 O
27 LIN I
28 AVD5 –
29 AVS5 –
30 XCOUT O
31 AVDX –
32 XTLO O
40
24k bit DELAY RAM
MICRO
COMPUTER
I/F
DSP
SERIAL
DATA
I/F
CLOCK GENERATOR
/TIMING CIRCUIT
33 32
XTLI XTLO
Function
Monitor pin for test Normally, outputs "L".
Digital ground
Monitor pin for test Normally, outputs "L".
Test pin Normally, fix to L.
Digital power supply
Digital ground
Test pin Normally, fix to "L".
Test pin Normally, fix to "L".
Test pin Normally, fix to "L".
Test pin Normally, fix to "L".
System reset input L : reset.
Clock and divided frequency output (384/768/256/512 fs)
Test pin Normally, fix to "H".
Test pin Normally, fix to "L".
Digital ground
Ground for L-ch D/A converter
Power supply for L-ch D/A converter
L-ch A/D converter output
Power supply for L-ch A/D converter
Ground for L-ch A/D converter
OP amp. inverting output for LPF of L-ch A/D converter
Analog input of L-ch A/D converter
Power supply for C-ch D/A converter
Ground for C-ch D/A converter
C-ch D/A converter output
Analog power supply for master clock
Crystal oscillation circuit output
ADC1
ADC2
DAC1
DAC2
DAC3
DAC4
17
BFOT
LIN
27
LO1
26
RIN
38
39 LO2
Analog SW
23 LOUT
ROUT
42
Analog SW
Trim Vol XCOUT
30
Trim Vol 35 XSOUT