Sony MEX-5DI Service Manual ▷ View online
17
MEX-5DI
4-2. IC PIN DESCRIPTIONS
• IC5 CXD9684R-004 (AUDIO INTERFACE) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
RESET
I
Reset signal input
2
MIMD
I
CPU interface mode select signal input Connect to VDD (+3 V) in this set.
3
AD0
I
CPU interface chip select signal input
4
AD1
I
CPU interface latch pulse signal input
5
MIDIO (I2C SDA)
I/O
CPU interface data signal input/output
6
MICK (I2C SCL)
I
CPU interface clock signal input
7
AD2
I
CPU interface acknowledge signal input
8
VDDT (3.3V)
—
Power supply pin (+3.3 V)
9
SDD
O
Data signal output
10
AD3
O
Bit signal output
11
AD4
O
LR clock signal output
12
SDI0
I
Data signal input 0
13
BCKIA
I
Bit clock signal input A
14
LRCKIA
I
LR clock signal input A
15
AD5
I
Data signal input 1
16
CE
I
Bit clock signal input B
17
OE
I
LR clock signal input B
18
VDD (2.5V)
—
Power supply pin (+2.5 V)
19
STANDBY
I
Standby mode control signal input
20
VSS (2.5GND)
—
Ground pin
21
VSSL (2.5GND)
—
Ground pin for DAC Lch
22
VRAL
—
Reference voltage pin for DAC Lch
23
LO
O
DAC Lch signal output
24
VDAL (2.5V)
—
Power supply pin (+2.5 V) for DAC Lch
25
VDAR (2.5V)
—
Power supply pin (+2.5 V) for DAC Rch
26
RO
O
DAC Rch signal output
27
VRAR
—
Reference voltage pin for DAC Rch
28
VSSR (2.5GND)
—
Ground pin for DAC Rch
29
TESTP
I
Test pin
30
CKS
I
VCO select signal input Connect to VDD (+3 V) in this set.
31
AD12
O
Address signal output 0
32
AD11
O
Address signal output 1
33
AD10
O
Address signal output 2
34
AD9
O
Address signal output 3
35
VDDT (3.3V)
—
Power supply pin (+3.3 V)
36
AD8
O
Address signal output 4
37
AD7
O
Address signal output 5
38
AD6
O
Address signal output 6
39
PO7
O
Address signal output 7
40
VSS
—
Ground pin
41
AD13
I
Flag signal input 0
42
AD14
I
Flag signal input 1
43
WR
I
Flag signal input 2
44
AD16
I
Flag signal input 3
45
AD15
I/O
External interrupt signal input/output
46
IO0
I
Data signal input 0
47
IO1
I
Data signal input 1
48
VSS
—
Ground pin
49
IO2
I
Data signal input 2
50
IO3
I
Data signal input 3
51
IO4
I
Data signal input 4
18
MEX-5DI
Pin No.
Pin Name
I/O
Pin Description
52
VDD (2.5V)
—
Power supply pin (+2.5 V)
53
IO5
I
Data signal input 5
54
IO6
I
Boot control signal input
55
IO7
I
SPDIF signal input
56
VSSP
—
Ground pin
57
PDO
O
PLL phase detect signal output
58
VCOI
I
VCO control voltage signal input
59
VDDP
—
Power supply pin (+2.5 V) for VCO
60
CKI/ACKO
I/O
External clock signal input/audio clock signal output
61
VDDX (2.5V)
—
Power supply pin (+2.5 V) for crystal oscillator
62
X1
I
Crystal oscillator (16.934 MHz)
63
X0
O
Crystal oscillator (16.934 MHz)
64
VSSX
—
Ground pin
19
MEX-5DI
• IC11 HD6432238RWN20TEIV (CD SYSTEM CONTROL) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
TEST
I
Test mode select signal input
2
DEC XRST
O
DEC reset signal output
3
DEC STBY
O
DEC standby mode control signal output
4
XRDE
O
DRAM data read-out enable signal output
5
(NCO)
O
Not used. (Open)
6
XWRE
O
DRAM write-in enable signal output
7
SCLK
O
SENS read-out serial clock signal output
8
SENS
I
SENS signal input
9
CD CLK
O
CD servo serial clock signal output
10
CD DAT
O
CD servo serial data signal output
11
CD LAT
O
CD servo latch signal output
12
CVCC
—
Power supply pin (+3.3 V)
13
DAC MUTE
O
DAC mute control signal output Not used in this set. (Open)
14
VSS
—
Ground pin
15
MUTE
O
Audio mute control signal output
16
XRST
O
CD servo reset signal output
17
XQOK
O
CD servo sub-code Q OK signal output
18
EMPH
O
Emphasis control signal output Not used in this set. (Open)
19
GFS
I
GFS signal input
20
FOK
I
FOK signal input
21
APC2
O
APC control signal output 2
22
APC1
O
APC control signal output 1
23
SPST
O
Spindle kick signal output
24
RW SEL
O
Not used. (Open)
25
RF SW
O
Not used. (Open)
26
SIZE
I
Not used. (Open)
27
D IN
I
Not used. (Open)
28
D OUT
I
Not used. (Open)
29
LIM SW
I
PU inner detect SW signal input
30
PSB
O
Mute signal output
31
PC TX
O
Bus data signal output
32
PC RX
I
Bus data signal input
33
IN SW
I
Not used. (Open)
34
LM LO
O
Not used. (Open)
35
LM EJ
O
Not used. (Open)
36
EJECT OK
I
Front panel open mode signal input Connect to VCC (+3 V) in this set.
37
CLOSE OK
O
Not used. (Open)
38
SCOR
I
Sub-code sync detect signal input
39
TRAY LAMP
O
Not used. (Open)
40
GRSCOR
I
DRAM controller sub-code sync detect signal input
41
HS
O
High speed signal
42
AVSS
—
Ground pin
43
TE BAL ADJ
O
TE balance adjustment signal output
44
DRAM
O
Not used. (Open)
45
D SW
I
Disc chucking detect signal input Connect to ground in this set.
46
TRAY CUR
I
Tray current detect signal input
47
KEY0
I
Test mode key SW signal input
48
KEY1
I
Test mode rotary SW signal input
49
(NCO)
I
Connect to ground in this set.
50
(NCO)
I
Connect to ground in this set.
51
TEMP
I
Tempareture detect signal input Connect to ground in this set.
52
(NCO)
I
Connect to ground in this set.
20
MEX-5DI
Pin No.
Pin Name
I/O
Pin Description
53
AVREF
—
Reference voltage pin (+3.3 V) for A/D converter
54
AVCC
—
Power supply pin (+3.3 V) for A/D converter
55
MD0
—
CPU operation mode setting Connect to VCC (+3.3 V) in this set.
56
MD1
—
CPU operation mode setting Connect to VCC (+3.3 V) in this set.
57
OSC2
—
Not used. (Open)
58
OSC1
—
Connect to ground in this set.
59
RSTX
I
CPU reset signal input
60
NMI
O
Connect to VCC (+3.3 V) in this set.
61
STBY
—
Connect to VCC (+3.3 V) in this set.
62
VCC
—
Power supply pin (+3.3 V)
63
XTAL
—
Crystal oscillator (12.288 MHz)
64
VSS
—
Ground pin
65
XTXAL
—
Crystal oscillator (12.288 MHz)
66
F WE
—
Flash write enable
67
MD2
—
CPU operation mode setting
68
FL BOOT
I
Flash write-in mode select signal input
69
FL W
O
Flash write control signal output
70
CD ON
O
CD servo power control signal output
71
CDM ON
O
Not used. (Open)
72
DEC INT
I
DEC interrupt signal input
73
(NCO)
O
Not used. (Open)
74
LINK OFF
O
Link off signal output
75
EJECT KEY
I
Eject key signal input
76
UNI SO
O
SONY bus serial data signal output
77
UNI SI
I
SONY bus serial data signal input
78
UNI CK
I
SONY bus clock signal input
79
(NCO)
O
Not used. (Open)
80
SDA
I/O
I2C interface data signal input/output
81
SCL
O
I2C interface clock signal output
82, 83
(NCO)
O
Not used. (Open)
84
SQSO
I
Sub-code Q data signal input
85
SQCK
O
Sub-code Q read-out clock signal output
86
LED DAT
O
LED data signal output
87
LED CLK
O
LED clock signal output
88
LED LAT
O
LED latch signal output
89, 90
(NCO)
O
Not used. (Open)
91
BUS ON
I
Bus ON signal input
92
BU CHK
I
Back up voltage detect signal input
93
(NCO)
O
Not used. (Open)
94
(NCO)
I
Open/close end signal input
95, 96
(NCO)
O
Not used. (Open)
97
TEXT SEL
I
CD text function select signal input
98
ESP SEL
I
ESP function select signal input
99
CF SEL
I
Custom file function select signal input
100
DOUT SEL
I
Digital-out select signal input
Click on the first or last page to see other MEX-5DI service manuals if exist.