Onkyo DX-7555, Руководство по обслуживанию

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DX-7555
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-3
Q2003 : CXD3014R (CD Digital Signal Processor with Built-in RF Amplifier and
Digital Servo + Digital High & Bass Boost + CODEC) -2/4
TERMINAL DESCRIPTION
Pin No. Pin name I/O Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
LRCK
LRCKI
PCMD
PCMDI
BCK
BCKI
XTACN
XRST
DV
SS
3
IREQ
CLOK
DATA2
XLAT2
REQ
ACK
XLAT
DV
DD
3
DV
SS
8
DV
DD
8
SENS
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
DV
DD
4
COUT
DV
SS
9
DV
DD
9
MIRR
DFCT
FOK
DV
SS
4
DV
DD
5
DV
SS
5
LOCK
MDP
SSTP
IOV
SS
1
SFDR
SRDR
O
I
O
I
O
I
I
I
---
O
I
I/O
I
I
O
I
---
---
---
O
O
O
O
O
O
O
---
I/O
---
---
I/O
I/O
I/O
---
---
---
I/O
O
I
---
O
O
LR clock output.
LR clock input.
PCMD data output.
PCMD data input.
BCK data output.
BCK data input.
Oscillation circuit control. Self-oscillation when high, oscillation stop when low.
System reset. Reset when low.
Internal digital GND.
ARC Interrupt to microprocessor.
CPU I/F ARC(CLK)
CPU I/F ARC(DATA)
Codec latch signal.
CPU I/F ARC (REQ).
CPU I/F ARC (ACK).
CDDSP control latch signal.
Internal digital power supply.
Internal digital GND.
Internal digital power supply.
SENS output to CPU.
WFCK output.
XUGF output.
Output MNT0, RFCK, SOUT by command switch.
XPCK output.
Output MNT1, SOCK by command switch.
GFS output.
Output MNT2, XROF, XOLT by command switch.
C2PO output.
Output MNT3, GTOP by command switch.
High output when the subcode sync, S0 or S1, is detected.
Digital power supply.
Track number count signal input/output.
Internal digital GND.
Internal digital power supply.
Mirror signal input/output.
Defect signal input/output.
Focus OK signal input/output.
Internal digital GND.
Internal digital power supply.
Internal digital GND.
GFS is sampled at 460Hz; when GFS is high, this pin outputs a high signal. If GFS
is low eight consecutive samples, this pin outputs low. Or input when LKIN = "1".
Spindle motor servo control output.
Disc innermost detection signal input.
I/O digital GND.
Sled drive output.
Sled drive output.