– 35 –
Pin No.
Pin name
I/O
Description
1
MNT 0
O
Traverse count signal output.
2
MNT 1
O
Track jump detect output.
3
MNT 2
–
Not used (Open).
4
MNT 3
–
Not used (Open).
5
SWDT
I
Inputs write data signal from system controller (IC801).
6
SCLK
I
Inputs serial clock signal from system controller (IC801).
7
XLAT
I
Inputs serial latch signal from system controller (IC801).
8
SRDT
O
Outputs write data signal to system controller (IC801).
9
SENS
O
Outputs internal status (SENSE) to system controller (IC801).
10
XRST
I
Inputs reset signal from system controller (IC801). Reset : L
11
SQSY
O
Output subcode Q sync (SCOR) to system controller (IC801).
Outputs “L” every 13.3msec. Outputs “H” at all most mostly.
12
DQSY
O
Outputs digital-in U-bit CD format subcode Q sync (SCOR) to system controller (IC801).
Outputs “L” every 13.3msec. Outputs “H” at all most mostly.
13
WRPWR
I
Inputs laser power switching signal from system controller (IC801).
14
NC
–
Not used (Open).
15
TX
I
Input of write data taransmission timing from system controller (IC801).
Also used as magnetic field head ON/OFF output.
16
OSC1
O
Clock output (22.5MHz).
17
OSC0
I
Clock input (22.5MHz).
18
XTSL
–
Not used (Fixed at “L”)
19
NC
–
Not used (Ground).
20
RV
SS
–
Connect to ground.
21
DIN
I
Digital audio signal input pin (For optical input).
22
NC
–
Not used (Open).
23
ADDT
I
Audio data input from A/D converter (IC303).
24
DATA
O
Monitor/decode audio data output to A/D converter (IC303).
25
ALRCK
O
L/R clock output to D/A converter (IC303).
26
ABCK
O
Bit clock signal output to A/D, D/A converter (IC303).
27
FS256
O
11.2896MHz clock output (MCLK).
28
DV
DD
–
Power supply (+2.8V) for digital.
29 – 39
A00 – A08, A10, A11
O
Address signal output to RAM (IC509).
40
DV
SS
–
Ground terminal.
41
XOE
O
Output enable contol signal output to RAM (IC509).
42
XCAS
O
Column address strobe singal output to RAM (IC509).
43
A09
O
Address signal output to RAM (IC509).
44
XRAS
O
Row address strobe signal output to RAM (IC509).
45
XWE
O
Read/write control signal output to RAM (IC509).
46 – 49
D0 – D3
I
Data signal input from RAM (IC509).
50
MVCI
–
Not used (Connect to ground).
51
ASYO
O
Playback EFM full-swing output (L : VSS, H : VDD).
52
ASYI
I
Playback EFM asymmetry comparate voltage input.
53
AV
DD
–
Power supply (+2.8V) for analog.
54
BIAS
I
Playback EFM asymmetry circuit constant current input.
55
RFI
I
Inputs playback EFM RF signal from RF amplifier (IC501).
SECTION 6
DIAGRAMS
6-1. EXPLANATION OF IC TERMINALS
IC503 DIGITAL SERVO, ATRAC (CXD2652AR)
Summary of Contents for MZ-R50 Analog PCLink
Page 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...
Page 5: ... 5 ...
Page 6: ... 6 ...
Page 7: ... 7 ...
Page 8: ... 8 ...
Page 9: ... 9 ...
Page 10: ... 10 ...
Page 11: ... 11 ...
Page 12: ... 12 ...
Page 13: ... 13 ...
Page 14: ... 14 ...
Page 15: ... 15 ...
Page 16: ... 16 ...
Page 17: ... 17 ...
Page 18: ... 18 ...
Page 19: ... 19 ...