Sony HCD-C770 - Hi Fi Components, Руководство по обслуживанию

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99
HCD-C770/C990
• DVD BOARD IC801 CXD2752R (DSD DECODER)
Pin No. Pin Name I/O Description
1 VSCA0 —
Ground terminal (for core)
2 XMSLAT I
Serial data latch pulse signal input from the mechanism controller
3 MSCK I
Serial data transfer clock signal input from the mechanism controller
4 MSDATI I
Serial data input from the mechanism controller
5 VDCA0 —
Power supply terminal (+2.5V) (for core)
6 MSDATO O
Serial data output to the mechanism controller
7 MSREADY O
Ready signal output to the mechanism controller “L”: ready
8 XMSDOE O
Serial data output enable signal output terminal Not used
9 XRST I
Reset signal input from the mechanism controller “L”: reset
10 SMUTE I
Soft muting on/off control signal input from the mechanism controller “H”: muting on
11 MCKI I
Master clock signal (33.8688 MHz) input
12 VSIOA0 —
Ground terminal (for I/O)
13 EXCKO1 O
Master clock signal (33.8688 MHz) output to the digital audio processor
14 EXCKO2 O
External clock 2 signal output terminal Not used
15 LRCK O
L/R sampling clock signal (44.1kHz) output terminal Not used
16 F75HZ O
Not used
17 VDIOA0 —
Power supply terminal (+3.3V) (for I/O)
18 to 25 MNT0 to MNT7 O
Monitor signal output terminal Not used
26 TCK I
Clock signal input from the DVD system processor
27 TDI I
Serial data input from the DVD system processor
28 VSCA1 —
Ground terminal (for core)
29 TDO O
Serial data output to the DVD system processor
30 TMS I
MS signal input from the DVD system processor
31 TRST I
Reset signal input from the DVD system processor “L”: reset
32 to 34 TEST1 to TEST3 I
Input terminal for the test (normally: fixed at “L”)
35 VDCA1 —
Power supply terminal (+2.5V) (for core)
36 UBIT O
Not used
37 XBIT O
Not used
38 to 41
SUPDT0 to
SUPDT3
O Supplementary data output terminal Not used
42 VSIOA1 — Ground terminal (for I/O)
43, 44
SUPDT4, SUPDT5
O Supplementary data output terminal Not used
45 VDIOA1 — Power supply terminal (+3.3V) (for I/O)
46, 47
SUPDT6, SUPDT7
O Supplementary data output terminal Not used
48 SUPEN O Supplementary data enable signal output terminal Not used
49 VSCA2 — Ground terminal (for core)
50 NC O Not used
51, 52 TEST4, TEST5 I Input terminal for the test (normally: fixed at “L”)
53 NC O Not used
54 VDCA2 — Power supply terminal (+2.5V) (for core)
55, 56 NC O Not used
57 BCKASL I
Input/output selection signal input terminal of bit clock signal (2.8224 MHz) for DSD data output
“L”: input (slave), “H”: output (master) Fixed at “H” in this set
58 VSDSD0 — Ground terminal (for DSD data output)
59 BCKAI I Bit clock signal (2.8224 MHz) input terminal for DSD data output Not used
60 BCKAO O Bit clock signal (2.8224 MHz) output terminal for DSD data output Not used