Sony XDP-4000X Operating Instructions (primary manual), Руководство по обслуживанию

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SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTIONS
• IC502 CXD2710R (DIGITAL SIGNAL PROCESSOR)
Pin No. Pin Name I/O Pin Description
1 AMPIN I Loop filter amplifier input for the PLL.
2 AMPOUT O Loop filter amplifier output for the PLL.
3 VDD — Digital power supply pin (+5 V)
4 VSS — Ground
5 AVSS1 — Ground (for PLL)
6 VCOC I VCO control input
7 AVDD1 — Power supply pin (for PLL) (+5 V)
8 VCOOUT O VCO output for the PLL. Not used. (open)
9 MCK1 I Master clock (768Fs) input
10 MCK2 I Master clock (384Fs) input
11 MCKOUT O Master clock (384Fs) output. Not used. (open)
12 MCKSEL I
Input for clock signal setting internal VCO or MCK1 (pin
9
).
Internal VCO used: “L”, MCK1 (pin
9
) used: “H” (Fixed at “L”.)
13 XMUTE I Output mute signal input of the serial interface. (“L”: mute ON) (Fixed at “H”.)
14 DIN I Program data serial input
15 VSS — Ground
16 SCK I Program data shift clock signal input
17 XLD I Program data load input
18 DOUT O Internal data serial output to the system control (IC702).
19 BUSY O Busy signal at serial data transfer output to the system control (IC702).
20 XCLR I Reset signal input from the system control (IC702). “L”: reset
21 – 27 TEST I Test pin (Normally connect to ground.)
28 VDD — Digital power supply pin (+5 V)
29 VSS — Ground
30 – 38 TEST I Test pin (Normally connect to ground.)
39 TEST — Test pin (Normally open.)
40 VSS — Ground
41 – 52 TEST — Test pin (Normally open.)
53 VDD — Digital power supply pin (+5 V)
54 VSS — Ground
55 – 64 TEST — Test pin (Normally open.)
65 VSS — Ground
66 – 74 TEST — Test pin (Normally open.)
75 EBDIR I Test pin (Normally connect to ground.)
76 UBDIR I Test pin (Normally connect to ground.)
77 TEST0 I Test pin (Normally connect to ground.)
78 VDD — Digital power supply pin (+5 V)
79 VSS — Ground
80 TEST1 I Test pin (Normally connect to ground.)
81 DTEST0 I Test pin (Normally connect to ground.)
82 DTEST1 I Test pin (Normally connect to ground.)
83 AVDD2 — Power supply pin (for D-RAM) (+5 V)
84 AVSS2 — Ground (for D-RAM)
85 AVDD3 — Power supply pin (for D-RAM) (+5 V)
86 AVSS3 — Ground (for D-RAM)
87 S3OUT O Serial data output of 1 sampling, 2 channel.
88 S2OUT O Serial data output of 1 sampling, 2 channel.
89 S1OUT O Serial data output of 1 sampling, 2 channel.
90 VSS — Ground
91 S3DI I Serial data input of 1 sampling, 2 channel.
92 S2DI I Serial data input of 1 sampling, 2 channel.