Sony CDX-MP80 Service Manual ▷ View online
13
CDX-MP80
SECTION 3
PHASE ALIGNMENT
3-1. GEAR (CAM L)
3-2. GEAR (CAM R)
1
motor block assy
center mark
gear (cam L) position setting hole
2
PTT 2.6x6
gear (cam R) position setting hole
center mark
cam block assy
• Align the gear (cam L) position setting hole with the center mark on
the bracket before screwing the motor block assy to the mechanism
chassis.
chassis.
1
Align the gear (cam R) position setting hole with the center mark
on the bracket before screwing the cam block assy to the
mechanism chassis.
on the bracket before screwing the cam block assy to the
mechanism chassis.
2
Touch the gear (cam R) with fingers in the direction of rotation
and make sure that there is no phase difference with the R-side
position setting hole.
and make sure that there is no phase difference with the R-side
position setting hole.
14
CDX-MP80
4-1. IC PIN DESCRIPTIONS
• IC5 CXD9684R-004 (AUDIO INTERFACE) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
RESET
I
Reset input
2
MIMD
I
CPU interface mode select signal input Connecting to +3.3 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 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
SDO
O
Data output
10
AD3
O
Bit output
11
AD4
O
LR clock output
12
SDI0
I
Data input 0
13
BCKIA
I
Bit clock input A
14
LRCKIA
I
LR clock input A
15
AD5
I
Data input 1
16
CE
I
Bit clock input B
17
OE
I
LR clock 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 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 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
31
AD12
O
Address output 0
32
AD11
O
Address output 1
33
AD10
O
Address output 2
34
AD9
O
Address output 3
35
VDDT (3.3V)
—
Power supply pin (+3.3 V)
36
AD8
O
Address output 4
37
AD7
O
Address output 5
38
AD6
O
Address output 6
39
PO7
O
Address output 7
40
VSS
—
Ground pin
41
AD13
I
Flag input 0
42
AD14
I
Flag input 1
43
WR
I
Flag input 2
44
AD16
I
Flag input 3
45
AD15
I/O
External interrupt signal input/output
46
IO0
I
Data input 0
47
IO1
I
Data input 1
48
VSS
—
Ground pin
49
IO2
I
Data input 2
50
IO3
I
Data input 3
51
IO4
I
Data input 4
SECTION 4
DIAGRAMS
15
CDX-MP80
Pin No.
Pin Name
I/O
Pin Description
52
VDD (2.5V)
—
Power supply pin (+2.5 V)
53
IO5
I
Data 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 input
59
VDDP
—
Power supply pin (+2.5 V) for VCO
60
CKI/ACKO
I/O
External clock input/audio clock 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
16
CDX-MP80
• IC11 HD6432238RWN31TEIV (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 output
3
DEC STBY
O
DEC standby mode control signal output
4
XRDE
O
DRAM data read-out enable signal output
5
NC
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 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 output
32
PC RX
I
Bus data 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 Connecting 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 output
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 Connecting to ground in this set.
46
TRAY CUR
I
Tray current detect signal input Connecting to ground in this set.
47
KEY0
I
Test mode key SW input
48
KEY1
I
Test mode rotary SW input
49
NC
I
Connecting to ground in this set.
50
NC
I
Connecting to ground in this set.
51
TEMP
I
Tempareture detect signal input Connecting to ground in this set.
52
NC
I
Connecting to ground in this set.
Click on the first or last page to see other CDX-MP80 service manuals if exist.