MDS-JA333ES - Sony Audio Service Manual (repair manual). Page 72

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67
Pin No.
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 to 34
35
36 to 40
I/O
O
O
O
O
I
I (S)
I (S)
O (3)
O (3)
I (S)
O
O
I
O
I
I
O
I
I
I
O
I
I
I
I
O
O
O
O
O
O
O
Description
Focus OK signal output to system controller (IC801)
Outputs “H” when focus is set (“L”: NG)
Track jump detection signal output to system controller (IC801)
Busy monitor signal output to system controller (IC801)
Spindle servo lock status monitoring signal output to system controller (IC801)
Inputs write data signal from system controller (IC801)
Inputs serial clock signal from system controller (IC801)
Inputs serial latch signal from system controller (IC801)
Outputs read data signal to system controller (IC801)
Outputs internal status (SENSE) signal to system controller (IC801)
Inputs reset signal input from system controller (IC801)  “L”: Reset
Sub code Q sync (SCOR) output to system controller (IC801)
Outputs “L” every 133 msec.  Outputs “H” mostly
Outputs digital-in U-bit CD format sub code Q sync (SCOR) to system controller (IC801)
Outputs “L” every 133 msec.  Outputs “H” mostly
Laser power switching signal input from system controller (IC801)
“L”: Playback, “H”: Recording
Interrupt status output to system controller (IC801)
Recording data output enable signal input from system controller (IC801).
Transmission timing of the write signal is input.  (Used also as ON/OFF of magnetic head)
System clock (1024Fs = 451584 MHz) input
System clock (1024Fs = 451584 MHz) output.  Not used in this system (Blank terminal)
System clock frequency setting input.
“L”: 451584 MHz, “H”: 22.5792 kHz
Recording system digital audio signal input (for digital optical -1/2 input and coaxial input)
Recording system digital audio signal input.  Not used (Fix at “L”)
Playback system digital audio signal output (for digital optical output and coaxial input)
Serial data input  Not used (Fix at “L”)
L/R sampling clock signal input (44.1 kHz)
Not used in this system  (Fixed at “L”)
Bit clock signal input of serial input/output (2.8224 kHz)
Not used in this system  (Fixed at “L”)
Recording data signal input from CXD9556AQ (IC501)
Playback data signal output from CXD9556AQ (IC501)
L/R sampling clock signal output (44.1 kHz) to CXD9556AQ (IC501)
Bit clock signal output of serial input/output data (44.1 kHz) to CXD9556AQ (IC501)
11.2896 MHz clock signal output  Not used (Blank terminal)
Power supply (+5 V) (Digital)
Address signal output to D-RAM (IC124)
Address signal output to external D-RAM  Not used (Blank terminal)
Address signal output to D-RAM (IC124)
Pin Name
MNT0 (FOK)
MNT1 (SHOCK)
MNT2 (XBUSY)
MNT3
SWDT
SCLK
XLAT
SRDT
SENS
XRST
SQSY
DQSY
RECP
XINT
TX
OSCI
OSCO
XTSL
DIN0
DIN1
DOUT
DATAI
LRCKI
XBCKI
ADDT
DADT
LRCK
XBCK
FS256
DVDD
A03 to A00
A10
A04 to A08
• BD BOARD  IC121  CXD2662R
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR,
 EFM/ACIR ENCODER/DECODER, SHOCK-PROOF REMOTE CONTROLLER,
 ATRAC ENCODER/DECODER)
* I (S) of I/O is schmitt input, I (A) is analog input, O (3) is 3-state output, O (A) is analog output
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