Panasonic CX-CS0280F Service Manual ▷ View online
6 BLOCK DIAGRAM
6.1. Main Block
4
CX-CS0280F
6.2. CD Servo Block
5
CX-CS0280F
7.1. Main Block
IC600 : C2BBGE000297
Pin No.
Port
Description
I/O
(V)
1
CLK
Shift clock for LED data
O
0
2
LCK
Date loading clock
O
0
3
/ILL ON
Not used
-
-
4
AVSS
Ground
-
0
5
REQ-OUT1
LCD power control
O
3.3
6
REQ-OUT2
ILL power control
O
0
7
AVref
+5V power supply
-
5.0
8
-
(Connecting to ground)
-
0
9
ACC-ON
ACC power control
O
0
10
P.ON
System power control
O
5.0
11
CH.REMO
(Connecting to ground)
-
0
12-14
-
Not used
-
-
15
-
(Connecting to ground)
-
0
16
SOM
CD changer serial data
I
4.2
17
SIM
CD changer serial data
O
0
18
SCKM
Data shift clock
O
5.0
19
/MDON
CD changer start/stop
O
5.0
20
/RESET
CD changer reset
O
5.1
21-24
-
(Connecting to ground)
-
0
25
KS1
Key strobe
O
0
26
KS0
Key strobe
O
0
27
KI2
Key data
I
0
28
KI1
Key data
I
0
29
KI0
Key data
I
0
30
DOOR-LED
Door LED on/off
O
0
31, 32
-
(Connecting to ground)
-
0
33
VSS
Ground
-
0
34, 35
-
(Connecting to ground)
-
0
36
AUDIO-SW
Audio signal selection
O
9.6
37-44
-
(Connecting to ground)
-
0
45
LAN-MUTE
LAN mute
O
0
46-49
-
(Connecting to ground)
-
0
50
BUZ
Buzzer output
O
0
51-55
-
(Connecting to ground)
-
0
56
LAN-OUT
LAN data output
O
0
57
LAN-IN
LAN data input
I
0
58, 59
-
(Connecting to ground)
-
0
60
RESET
Reset input
I
4.6
61
-
(Connecting to ground)
-
0
62
BATT SENS Battery level detection
I
4.4
63
ACC SENS
ACC level detection
I
4.4
64
EJECT
Eject SW
I
4.3
65-67
-
(Connecting to ground)
-
0
68
VDD
+5V power supply
-
5.1
69
X2
Crystal oscillator
-
2.4
70
X1
Crystal oscillator
-
1.2
71
IC
(Connecting to ground)
0
72
XT2
Not used
-
-
73
-
(Connecting to ground)
-
0
74
AVDD
+5V power supply
-
5.1
75
AVref
+5V power supply
-
5.0
76-79
-
(Connecting to ground)
-
0
80
DATA
Panel LED data
O
0
7.2. CD Servo Block
IC201 : MN662783RPW
Pin
No.
Port
Description
I/O
(V)
1
VDD
+5V power supply
-
5.0
2
D0
D-RAM data
I/O
2.3
3
D1
D-RAM data
I/O
1.8
4
/WE
D-RAM data write
O
4.9
5
/RAS
D-RAM row address strobe
O
3.4
6
D2
D-RAM data
I/O
0.8
7
D3
D-RAM data
I/O
0
8
/CAS0
D-RAM columun address strobe
O
3.9
9
/CAS1
D-RAM columun address strobe
O
0
10
A8
D-RAM address
O
0.6
11
A7
D-RAM address
O
1.1
12
A6
D-RAM address
O
0.7
13
A5
D-RAM address
O
0
14
A4
D-RAM address
O
1.1
15
A9
D-RAM address
O
0.4
16-18 A0
D-RAM address
O
1.0
19
A3
D-RAM address
O
0
20
VSS2
Ground
-
0
21
VDD2
+5V power supply
-
5.0
22,23
-
Not used
-
-
24
TVD
Traverse motor control
O
2.5
25
PC
Not used
-
-
26
ECS
Spindle motor control
O
2.4
27
TRD
Tracking coil drive
O
2.5
28
FOD
Focus coil drive
O
2.4
29
FBAL
Focus balance
O
1.9
30
TBAL
Tracking balance
O
3.0
31
VREF
Refence voltage
I
2.5
32
FE
Focus error
I
2.5
33
TE
Tracking error
I
2.5
34
RFENV
RF envelope
I
2.5
35
OFT
Off track signal
I
0
36
/RFDET
RF detecting signal
I
0
37
BDO
Drop-out signal
I
0
38
LDON
Laser on signal
O
4.5
39
ARF
RF signal
I
2.5
40
IREF
Reference current input
I
1.2
41
DRF
Bias for DSL
I
2.4
42
DSLF
Loop filter for DSL
I/O
2.5
43
DSLF2
Loop filter for DSL
I/O
2.2
44
PLLF
Loop filter for PLL
I/O
1.4
45
VCOF
Not used
-
-
46
AVDD2
+5V power supply
-
5.0
47
AVSS2
Ground
-
0
48
OUTL
L channel output
O
2.3
49
AVSS1
Ground
-
0
50
OUTR
R channel output
O
2.3
51
AVDD1
+5V power supply
-
4.7
52-54
-
(Connecting to ground)
-
0
55
FLAG
Flag output
O
0
56
FCLK
Frame clock
O
0
57-59
-
Not used
-
-
60
TX
Not used
-
-
61
MCLK
Clock for I/F command
I
1.0
62
MDATA
Date for I/F command
I
3.1
63
MLD
I/F command load
I
5.0
64
BLKCK
Subcode block clock
O
0
65
SQCK
Ext.clock for sub code-Q
I
5.0
66
SUBQ
Code for sub. code-Q
O
3.8
67
DMUTE
Mute input
I
0
7 TERMINALS DESCRIPTION
6
CX-CS0280F
68
STAT
Status signal
O
5.0
69
/RST
Reset input
I
5.0
70
CSEL
(Connecting to ground)
-
0
71
PMCK
Clock output
O
2.5
72
SMCK
Clock output
O
2.5
73
SUBC
Serial data of sub code
O
0
74
SBCK
Shift clock for SUBC
I
0.6
75
/CLDCK
Not used
-
-
76
/TEST
(Connecting to VDD)
-
5.0
77
X1
Crystal oscillator
-
0.4
78
X2
Crystal oscillator
-
3.2
79
VDD1
+5V power supply
-
5.0
80
VSS1
Ground
-
0
IC301 : MNS73260ACBL
Pin
No.
Port
Description
I/O
(V)
1
VDD
+5V power supply
-
5.0
2
OSC2
Crystal oscillator
-
2.2
3
OSC1
Crystal oscillator
-
2.1
4
VSS
Ground
-
0
5
XI
(Connecting to ground)
-
0
6
XO
Not used
-
-
7
CM
(Connecting to ground)
-
0
8
VREFH
Reference voltage
I
5.0
9
SW13
Shuter SW
I
4.9
10
SW12
Horizontal origin
I
4.9
11
SW11
Clump SW
I
0
12
SW10
Play SW
I
0
13
SW4
Shuter SW
I
4.9
14
SW3
Tray origin SW
I
0
15
SW2
Inner SW
I
4.8
16
SW1
Outer SW
I
4.9
17
VREFL
(Connecting to Ground)
-
0
18
/RESET
Reset input
I
4.9
19
-
(Ground pull-down)
-
0
20
SCKM
Clock for serial data
I
5.0
21
SIM
CD changer serial data
I
1.3
22
SOM
CD changer serial data
O
4.3
23
SQCK
Ext. clock for sub. code-Q
O
5.0
24
SUBQ
Code for sub. code-Q
I
1.6
25
-
Not used
-
-
26
-
(Ground pull-down)
-
0
27
CD.ON
CD changer start/stop
I
5.0
28
-
Not used
-
-
29
BLKCK
Sub. code block clock
I
0
30
P.ON
In operation CPU
O
5.0
31
MUTE
Mute output
O
5.0
32
-
(Ground pull-down)
-
0
33
SENS
Servo status
O
0
34
CLVS
Servo status
O
5.0
35
FLOCK
Focus servo lock
O
0.2
36
TLOCK
Tracking servo lock
O
0
37
VMI
Horizontal motor control
O
2.5
38
HMI
Vertical motor control
O
0
39
HVMUTE
H/V motor mute
O
0
40-42
-
(Ground pull-down)
-
0
43
SW9
Disc-in (B) SW
I
0
44
SW8
Disc-in (L) SW
I
0
45
SW7
Disc-in (F) SW
I
0
46
SW6
Disc push SW
I
0
47
SW5
Tray hight SW
I
4.5
48
BDO
Drop-out signal
I
0
49
DQSY
Not used
-
-
50
/RST
Reset output
O
5.0
51
STAT
Status signal
I
2.1
52
DMUTE
Mute output
O
0
53
XE
Not used
-
-
54
P.DOWN
Power down signal
O
0
55
-
No connection
-
-
56
MLD
I/F command load
O
5.0
57
MDATA
Data for I/F command
O
3.1
58
MCLK
Clock for I/F command
O
4.1
59
SPMT
Spindle mute
O
5.0
60
MUTE12
Focus/Tracking mute
O
0
61
MUTE4
Loading motor mute
O
4.8
62
LDOI
Loading motor control
I/O
2.5
63
TRV
Forced traverse control
I/O
2.4
64
SYNC
Not used
-
-
7
CX-CS0280F