Sony MDS-PC1 Service Manual ▷ View online
– 80 –
Pin No.
Pin Name
I/O
Function
• IC201 A/D, D/A converter (CXD8607N) (MAIN Board)
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
INRP
INRM
REFI
AV
DD
AVss
APD
NU
NU
TEST1
LRCK1
BCK1
ADDT
V
35A
V
SS1 (LF)
MCKI
DPD
V
SS2 (LF)
INIT
MODE
SHIFT
LATCH
256CK
V
35D
V
SS2
512CK
BCK2
DADT
LRCK2
V
DD2
R1
A
VDDR
R2
AV
SSR
XV
DD
XOUT
XIN
XV
SS
AV
SSL
L2
AV
DDL
I
I
I
—
—
I
—
—
I
I
I
O
—
—
I
I
—
I
I
I
I
O
—
—
O
I
I
I
—
O
—
O
—
—
O
I
—
—
O
—
Rch analog (+) input
Rch analog (–) input
A/D reference voltage input (+3.2V)
+5V power supply (A/D, analog)
Ground (A/D, analog)
A/D analog block power down
“L”: Power down
Not used
Test pin (Fixed at “L”)
A/D LRCK input
A/D BCK input
A/D data output
+3.3V power supply
Ground (A/D, digital)
A/D master clock input (256 fs)
A/D digital block power down
“L”: Power down/reset
Ground (D/A, digital)
D/A initialize
“L”: Initialize
Mode flag input
Shift clock input
Latch clock input
256 fs clock output
+3.3V power supply
Ground (D/A, digital)
512 fs clock output
D/A BCK input
D/A data input
D/A LRCK input
+5V power supply (D/A, digital)
Rch PLM output 1
+5V power supply (D/A, Rch, analog)
Rch PLM output 2
Ground (D/A, Rch, analog)
+5V power supply (X’tal)
X’tal oscillation output (22 MHz)
X’tal oscillation input (512 fs ) (22 MHz)
Ground (X’tal)
Ground (D/A, Lch, analog)
Lch PLM output 2
+5V power supply (D/A, Lch, analog)
– 81 –
Function
Pin No.
Pin Name
I/O
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
L1
V
DD2
V
DD1
V
DD1
V
SS1
TEST2
TEST3
V
SS1 (LF)
NU
NU
AV
SS (LF)
LV
DD
LV
SS
REFO
INLM
INLP
O
—
—
—
—
I
I
—
—
—
—
—
—
O
I
I
Lch PLM output 1
+5V power supply (D/A, digital)
+5V power supply (A/D, digital)
Ground (A/D, digital)
Test pin (Fixed at “L”)
Ground (A/D, digital)
Not used
Ground (A/D, analog)
+5V power supply (A/D, buffer)
Ground (A/D, buffer)
A/D reference voltage output (+3.2V)
Lch analog (–) input
Lch analog (+) input
– 82 –
Not used
ADIP sync or subcode Q sync input from CXD2652AR
Remote controls
Signal input from CONTROL A1
Not used
Ground
Not used
System reset input “L”: reset
Main clock output (7.0MHz)
Ground
Main clock input (7.0MHz)
+3.3V power supply
(Fixed at “H”)
Subcode Q sync input of digital in U-bit. CD format from CXD2652AR
Power down detection input “L”: Power down
Interrupt status input from CXD2652AR
JOG dial pulse input from the rotary encoder
Not used
Writing data signal output to the serial bus
Reading data signal input from the serial bus
Clock signal output to the serial bus
Chip select signal output to the display driver
Serial data signal output to the display driver
Not used (Fixed at “L”)
Serial clock signal output to the display driver
Not used
Reset signal output to the D/A, A/D converter
Reset: “L”
Line out muting output
Mute: “L”
Strobe signal output to the power supply circuit
Power supply ON: “H”, stand by: “L”
Detection input from the chucking-in switch
“L”: Chucking
Detection input from the disc detection switch (Fixed at “L”)
Detection input from the loading out switch. Loaded out position: “L”, Others: “H”
Loading motor control input
Loading motor control output
Loading motor voltage control output
Low voltage: “H”
Not used
Detection signal input from the recording position detection switch
Detection signal input from the playback position detection switch
Not used
+3.3V power supply
1, 2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21, 22
23 to 25
26
27 to 30
31
32
33
34
35
36
37
38 to 47
48
49
50
51
52
53
54
55
56
57, 58
59
60
61
62
Pin No.
Pin Name
I/O
Function
• IC401 System Control (M30610MCA-261FP) (MAIN Board)
O
O
O
I
I
I
I
—
O
O
I
O
—
I
—
I
I
I
I
I
O
O
O
O
I
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
O
I
I
O
—
NC
(DAOUT0)
(DAOUT1)
SQSY
REMOCON
CONTROL A1 IN
BYTE
CNVSS
XIN-T
XOUT-T
SYSTEM RST
XOUT
GND
XIN
VCC (3.3V)
NMI
DQSY
P.DOWN
XINT
JOG1, JOG0
NC
NC (BEEP)
NC
SWDT
SRDT
SCLK
FLCS
FLDATA
NC
FLCLK
NC
ADA RES
AMUTE
STBY
CHACK IN
PACK-IN
PACK-OUT
LDIN
LDOUT
LD-LOW
NC
REC-P
PB-P
REC/PB (NC)
+3V
– 83 –
O
—
I
I
O
I
O
I
O
I
O
I
O
I
I
I/O
O
O
I
I
O
O
O
O
O
O
I
O
I
O
O
I
—
I
—
—
I
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94,95
96
97
98
99
100
Pin No.
Pin Name
I/O
Function
NC
GND
SENS
NMT1 (SHOCK)
DIG-RST
MNT2 (XBUSY)
LDON
REFLECT
XLATCH
PROTECT
MOD
LIMIT-IN
WR PWR
MNT3 (SLOCK)
MNT0 (FOK)
SDA
SCL
SCTX
CLOCKSET0
CLOCKSET1
LED0 (POWER)
LED1 (NC)
NC
OPT SEL
CONTROL A1 OUT
NC (BEEP SW)
SOURCE SW
NC
TIMER SW
NC
NC (KEY3)
KEY 2, KEY 1
AVSS
KEY0
VREF
AVCC
MONO/ST
Not used
Ground
Internal status (SENSE) input from the CXD2652AR
Track jump signal input from the CXD2652AR
Digital rest signal output to the CXD2652AR and motor driver Reset: “L”
In the state of executive command from the CXD2652AR
Laser ON/OFF control output “H”: Laser ON
Disk reflection rate detection input from the reflect detection switch
Disk with low reflection rate: “H”
Latch signal output to the serial bus
Recording-protection claw detection input from the protection detection switch
Protect: “H”
Laser modulation switching signal output
Detection input from the limit switch
Sled limit-In: “L”
Write power ON/OFF output
In the state of spindle srvo lock from the CXD2562AR
Focus OK signal input from the CXD2652AR
“H” is input when focus is on
Data signal input/output pin with the backup memory
Clock signal output to the backup memory
Writing data transmission timing output to the CXD2652AR
Shared with the magnetic head ON/OFF output
Clock destination select pin US, Canadian: “L”, Except US, Canadian : “H”
Clock destination select pin US, Canadian: “H”, Except US, Canadian : “L”
LED control signal output for POWER ON/STANDBY indicator
Not used
Digital input select signal output
Control signal output to CONTROL A1 OUT terminal
Not used
Input source change input (A/D input)
Not used
Timer mode change input (A/D input)
Not used
Key input pin (A/D input)
Ground (Analog)
Key input pin (A/D input)
A/D reference voltage (Fixed at “H”)
+3.3V power supply
Monaural, stereo change input Monaural: “H”
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