General Information; Parts - Pioneer 31-3043 Service Manual

VSX-D307

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
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
36
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
38 RIN
39 LO2
Analog SW
23 LOUT
ROUT
42
Analog SW
Trim Vol XCOUT
30
Trim Vol 35 XSOUT