Pioneer VSX-D209 Service Manual page 45

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CXD2719Q (MAIN ASSY : IC201)
• Dolby Pro Logic Surround Decoder IC
•
Block Diagram
RVDT
SCK
XLAT
REDY
LRCK
BCK
SI
XMST
TE
L 13942296513
•
Pin Function
No. Pin Name
1-3 T.P
4 VSS0
5-8 T.P
9 TST0
10 VDD0
11 VSS1
12 TST1
13 TST2
14 TST3
15 TST4
16 XRST
17 BFOT
18 CSL1
19 CSL2
20 VSS2
21 AVS3
22 AVD3
23 LOUT
24 AVD1
25 AVS1
26 LO1
27 LIN
28 AVD5
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29 AVS5
30 XCOUT
31 AVDX
32 XTLO
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24k bit DELAY RAM
50
MICRO
46
COMPUTER
49
I/F
47
58
SERIAL
57
DATA
55
I/F
60
CLOCK GENERATOR
/TIMING CIRCUIT
33
XTLI
I/O Function
O Monitor pin for test Normally, outputs "L".
– Digital ground
O Monitor pin for test Normally, outputs "L".
I Test pin Normally, fix to L.
– Digital power supply
– Digital ground
I Test pin Normally, fix to "L".
I Test pin Normally, fix to "L".
I Test pin Normally, fix to "L".
I Test pin Normally, fix to "L".
I System reset input
O Clock and divided frequency output (384/768/256/512 fs)
I Test pin Normally, fix to "H".
I Test pin Normally, fix to "L".
– Digital ground
– Ground for L-ch D/A converter
– Power supply for L-ch D/A converter
O L-ch A/D converter output
– Power supply for L-ch A/D converter
– Ground for L-ch A/D converter
O OP amp. inverting output for LPF of L-ch A/D converter
I Analog input of L-ch A/D converter
– Power supply for C-ch D/A converter
– Ground for C-ch D/A converter
O C-ch D/A converter output
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– Analog power supply for master clock y
O Crystal oscillation circuit output
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2 9
8
ADC1
ADC2
DSP
DAC1
DAC2
DAC3
DAC4
32 17
BFOT
XTLO
Q Q
3 6 7 1 3
L : reset.
.
VSX-D209, VSX-D209-G
9 4 2 8
27 LIN
26 LO1
38 RIN
39 LO2
Analog SW
23 LOUT
42 ROUT
Analog SW
Trim Vol 30 XCOUT
Trim Vol 35 XSOUT
1 5 0 5 8 2 9 9 4
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co
9 9
2 8 9 9
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