Sony CDP-XA20ES Service Manual ▷ View online
– 17 –
Pin No. Pin Name
I/O
Function
75
SBSO
O
Sub-code P-W serial data output terminal Not used (open)
76
EXCK
I
Sub-code P-W serial data reading clock signal input terminal Not used (fixed at “L”)
77
SUBQ
O
Sub-code Q data signal output to the system controller (IC351)
78
SQCK
I
Sub-code Q data reading clock signal input from the system controller (IC351)
79
MUTE
I
Mute signal input from the system controller (IC351)
80
SENS
O
Internal status (SENSE) signal output to the system controller (IC351)
81
XRST
I
System reset signal input from the reset signal generator (IC912) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
82
DIRC
I
1-track jump mode input terminal Not used (fixed at “H”)
83
SCLK
I
Sense serial data reading clock signal input from the system controller (IC351)
84
DFSW
I
Defect on/off select signal input terminal Not used (fixed at “L”)
85
ATSK
I
Input terminal for the anti-shock Not used (fixed at “L”)
86
DATA
I
Serial data input from the system controller (IC351)
87
XLAT
I
Serial data latch pulse signal input from the system controller (IC351)
88
CLOK
I
Serial data transfer clock signal input from the system controller (IC351)
89
COUT
O
Track number count signal output terminal Not used (open)
90
DVDD
—
Power supply terminal (+5V) (digital system)
91
MIRR
O
Mirror detection signal output terminal Not used (open)
92
DFCT
O
Defect signal output terminal Not used (open)
93
FOK
O
Focus OK signal output terminal Not used (open)
94
FSW
O
Selection signal output terminal of the output filter for spindle motor Not used (open)
95
MON
O
Spindle motor on/off control signal output terminal Not used (open)
96
MDP
O
Spindle servo control signal output terminal
97
MDS
O
Spindle servo control signal output terminal Not used (open)
98
LOCK
O
GFS is sampled by 460 Hz “H” output when GFS is “H” Not used (open)
99
SSTP
I
Detection input from the sled limit-in detect switch (S151)
The optical pick-up is inner position when “H”
The optical pick-up is inner position when “H”
100
SFDR
O
Sled servo drive PWM signal (+) output to the BA6297AFP (IC102)
– 18 –
Pin No.
Pin Name
I/O
Function
1
A3
O
2
A4
O
3
A5
O
4
A6
O
5
A7
O
6
A8
O
7
A9
O
8
A10
O
9
A11
O
10
A12
O
11
WE
O
12
NC
O
13
NC
O
14
LED PLAY
O
( LED (D801) drive signal output terminal “H”: LED on
15
LED PAUSE
O
P LED (D802) drive signal output terminal “H”: LED on
16
LED FILTER
O
No Connection
17
SPD-MUTE
O
No Connection
18
RE-INIT
O
No Connection
19
VR+
O
Volume up control signal output to the volume control motor driver (IC371)
20
VR–
O
Volume down control signal output to the volume control motor driver (IC371)
21
BLK
O
Blank signal output to the fluorescent indicator tube driver (IC801)
22
D0
O
Serial data output to the fluorescent indicator tube driver (IC801)
23
D1
O
No Connection
24
D2
O
No Connection
25
FLD CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver (IC801)
26
WR
O
Read/write select signal output to the fluorescent indicator tube driver (IC801)
27
SENSOR SW
O
On/off control signal output to the stabilizer detect sensor (IC361) “H”: on
28
SENSOR IN
I
Detect signal input from the stabilizer detect sensor (IC361) “H”: on
29
LIMIT SW
I
Detection input from the sled limit-out detect switch
The optical pick-up is outer position when “L” Not used (fixed at “L”)
The optical pick-up is outer position when “L” Not used (fixed at “L”)
30
RESET
I
System reset signal input from the reset signal generator (IC912) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
31
XIN
I
Main system clock input terminal (4 MHz)
32
XOUT
O
Main system clock output terminal (4 MHz)
33
GND
—
Ground terminal
34
NC
—
No Connection
35
NC
—
Not used (fixed at “L”)
36
GND
—
Ground terminal (for A/D converter)
37
+5V
I
Reference voltage input terminal (+5V)
38
ADJ/AFADJ
I
Setting terminal for the test mode “L” active
39
K0
I
Key input terminal (A/D input) (fixed at “H”)
40
K1
I
Key input terminal (A/D input)
TIME, PLAY MODE keys (S819, S820) input
TIME, PLAY MODE keys (S819, S820) input
41
K2
I
Key input terminal (A/D input) AUTO SPACE, CHECK, CLEAR, FADER,
), 0 , PUSH
ENTER, AMS
± keys (S801 to S806, RV801) input
BD BOARD IC351 CXP84120-070Q (SYSTEM CONTROLLER)
No Connection
– 19 –
Pin No.
Pin Name
I/O
Function
42
K3
I
Key input terminal (A/D input) EDIT/TIME FADE, REPEAT, PEAK SEARCH,
§ OPEN/
CLOSE,
(, P, p , AMS ≠ keys (S811 to S817, RV801) input
43
K4
I
Key input terminal (A/D input) (fixed at “H”)
44
K5
I
Key input terminal (A/D input) (fixed at “H”)
45
IN/OUT SW
I
Detection input from the loading in/out detect switch (S152, S153) (A/D input)
46
SCLK OUT
O
Sense serial data reading clock signal output to the CXD2545Q (IC101)
47
PRGL
O
Serial data latch pulse signal output to the CXD8505BQ (IC302)
48
CLK
O
Serial data transfer clock signal output to the CXD2545Q (IC101) and CXD8505BQ (IC302)
49
SENSE
I
Internal status (SENSE) signal input from the CXD2545Q (IC101)
50
DATA
O
Serial data output to the CXD2545Q (IC101) and CXD8505BQ (IC302)
51
SQCK
O
Sub-code Q data reading clock signal output to the CXD2545Q (IC101)
52
SUBQ
I
Sub-code Q data signal input from the CXD2545Q (IC101)
53
TEST3
O
No Connection
54
SEL1
I
Not used (fixed at “H”)
55
SEL0
I
Not used (fixed at “H”)
56
RMIN
I
Remote control signal input from the remote control receiver (IC804)
57
TIMER
I
Not used (fixed at “H”)
58
TEST2
O
No Connection
59
TEST1
O
No Connection
60
SCOR
I
Sub-code sync (S0+S1) detection signal input from the CXD2545Q (IC101)
61
A.MUTE
O
Muting control signal output to the analog mute driver and mute relay driver
62
LDON
O
Laser diode on/off selection signal output to the RF amplifier in optical pick-up
63
XLT
O
Serial data latch pulse signal output to the CXD2545Q (IC101)
64
LOAD OUT
O
Loading motor (M103) drive signal output to the NJM4558M (IC182) *1
65
LOAD IN
O
Loading motor (M103) drive signal output to the NJM4558M (IC182) *1
66
DOUT (NC)
O
No Connection
67
D.MUTE
O
Muting control signal output to the CXD2545Q (IC101) and CXD8505BQ (IC302)
68
D0
O
69
D1
O
70
D2
O
71
D3
O
72
VDD
—
Power supply terminal (+5V)
73
NC
I
Not used (fixed at “H”)
74
D4
O
75
D5
O
76
D6
O
77
D7
O
78
A0
O
79
A1
O
No Connection
80
A2
O
No Connection
No Connection
*1 Loading motor (M103) control
LOAD OUT (pin ^¢)
“L”
“H”
“L”
“H”
LOAD IN (pin ^∞)
“L”
“L”
“H”
“H”
OFF
OUT
I N
BRAKE
Operation
Terminal
– 20 –
• Circuit Boards Location
MAIN board
POWER board
LOADING MOTOR board
FUNC board
SLED board
AC SW board
DISP board
HP board
SERVO board
TRANS board
LD IN SW board
SPINDLE board
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