Panasonic CX-CA1270L Service Manual ▷ View online
6 BLOCK DIAGRAM
6.1. Main/Power/Display Block
5
AUDI / CX-CA1270L
6.2. CD Servo Block
6
AUDI / CX-CA1270L
7.1. Main Block
IC601 : C2CBKH000010
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
P120
Security ROM Select
O
0
2
P121
Security data shift clock
O
0
3
P122
Security data output
O
0
4
P123
Security data input
I
0
5
P124
Battery level detection control
O
4.9
6-8
-
No connection
-
-
9
VDD
+5V digital power supply
-
4.9
10
X2
Crystal ocillator
-
3.1
11
X1
Crystal ocillator
-
2.5
12
VSS
Digital ground
-
0
13
XT2
Not used
-
-
14
XT1
(Connecting to Ground)
-
0
15
RESET
Reset
I
4.9
16
M INT
Interrupt input
I
5.1
17
BATT-DET
Battery level detection
I
4.8
18
IWAKEUP
Wake-up signal input
I
0
19
EJECT
Eject switch
I
4.9
20
BCLK5
Shift clock for optical comm. LSI
O
2.8
21
MAGA_IN
Load switch
I
4.9
22
STATUS
Status signal
O
0
23
AVDD
+5V analog power supply
-
4.8
24
AVREF
+5V analog power supply
-
4.8
25
7V_DET
Battery level (7V) detection
I
4.3
26
1V_DET
Battery level (1V) detection
I
1.0
27
GND
Ground
-
3.9
28-
32
GND
(Connecting to Ground)
-
0
33
AVSS
Analog ground
-
0
34
RX_RST
Optical comm. Receiver reset
O
0
35
NC
No connection
-
-
36
VDD
+5V digital power supply
-
4.8
37
SRDATA5
Serial data for optical comm. LSI
O
0
38
NC
No connection
-
-
39
TEXTCLK
Sub clock
O
4.8
40
SOMM
Serial data
I
2.9
41
SIMM
Serial data
O
0
42
SCKM
Shift clock
O
4.8
43
CNT_SI0
Buffer gate on/off
O
4.8
44
NC
No connection
-
-
45
MDA
I/F data
-
4.6
46
MRST
Reset
O
4.8
47
MCK
I/F data shift clock
O
5.0
48
MUTE
Mute control
O
0
49
TEXT_EN
TEXT clock enable
O
0
50
RX_ON
Optical comm. Receiver power
control
control
O
0
51
NC
No connection
-
-
52-
55
NC
No connection
-
-
56
CDON5
CD power on
O
4.9
57
RESET5
CD reset
O
4.9
58
DATA
LCD data
O
0.5
59
CLK
LCD data shift clock
O
0.5
60
LCK
LCD data load clock
O
0
61
OPTPW
Optical comm. controller power
on/off
on/off
O
0
62
KS1
Key strobe
O
0
63
KS0
Key strobe
O
0
64
KI2
Key data input
I
0
64
KI1
Key data input
I
0
66
KI0
Key data input
I
4.9
Pin
No.
Port
Descriptions
I/O
Vol
(V)
67
DOOR
Door illumination on/off
O
0
68
P54
ACC 5V power control
O
4.8
69
PON
System power control
O
4.9
70
MON
Not used
-
-
71
MWAKEUP
IC501 wake-up
O
0
72
VSS
Ground
-
0
73
OWAKEUP
wake-up signal output
O
0
74-
76
-
No connection
-
-
77
MERROR
IC501 error signal
I
0
78
MSTAT
IC501 status signal
I
0
79,8
0
NC
No connection
-
-
81
VDD
+5V digital power supply
-
4.9
82
LED_ON
LCD power control
O
4.8
83-
85
NC
No connection
-
-
86
MODE1
Not used
-
-
87
MODE2
Not used
-
-
88
DIAG1
Diag. signal input
I
0
89
DIAG2
Diag. signal input
I
0
90-
92
NC
No connection
-
-
93
F_WRITE
ROM data wirte control
O
0
94
VPP
ROM wite power supply
-
0
95-
100
NC
No connection
-
-
7 TERMINALS DESCRIPTION
7
AUDI / CX-CA1270L
7.2. CD Servo Block
IC201 : MN662785TBUC
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
DVDD3
+5V power supply
-
3.6
2
D0
D-RAM data
I/O
2.0
3
D1
D-RAM data
I/O
2.0
4
NWE
D-RAM data write
O
3.0
5
NRAS
D-RAM row address strobe
O
3.2
6
D2
D-RAM data
I/O
2.1
7
D3
D-RAM data
I/O
1.9
8
NCAS0
D-RAM columun address strobe
O
2.8
9
NCAS1
D-RAM columun address strobe
O
1.4
10
A8
D-RAM address
O
1.0
11-14 A7-4
D-RAM address
O
1.1
15
A9
D-RAM address
O
1.1
16-18 A0-A2
D-RAM address
O
1.1
19
A3
D-RAM address
O
1.1
20
DVSS2
Ground
-
0
21
DVDD2
+5V power supply
-
3.6
22
SPOUT
Not used
-
1.5
23
TRVP
Traverse motor control
O
1.9
24
TRVM
Traverse motor control
O
1.9
25
TRP
Trackng coil drive
O
1.9
26
TRM
Trackng coil drive
O
1.9
27
FDP
Focus coil drive
O
2.0
28
FDM
Focus coil drive
O
2.0
29
FBAL
Focus balance
O
1.9
30
TBAL
Tracking balance
O
1.9
31
CSEL
(Connecting to VDD)
-
3.6
32
FE
Focus error
I
2.0
33
TE
Tracking error
I
1.9
34
RFENV
RF envelope
I
1.9
35
OFT
Off track signal
I
0
36
NRFDET
RF detecting signal
I
0
37
BDO
Drop-out signal
I
0
38
LDON
Laser on signal
O
3.6
39
ARF
RF signal
I
1.9
40
IREF
Reference current input
I
1.2
41
ADPVCC
(Connecting to ground)
-
0
42
DSLF
Loop filter for DSL
-
2.0
43
DRF
Loop filter for DSL
-
2.2
44
PLLF
Loop filter for PLL
-
1.3
45
VCOF
VCO filter
-
1.3
46
AVDD2
+5V power supply
-
3.6
47
AVSS2
Ground
-
0
48
OUTL
L channel output
O
1.8
49
AVSS1
Ground
-
0
50
OUTR
R channel output
O
1.8
51
AVDD1
+5V power supply
-
3.5
52
FSEL
(Connecting to P3V)
-
3.7
53,54
-
(Connecting to ground)
-
0
55
FLAG
Flag output
O
0
56
CLVS
Servo status signal
O
3.6
57-60
-
Not used
-
-
61
MCLK
Clock for I/F command
I
2.4
62
MDATA
Date for I/F command
I
1.9
63
MLD
I/F command load
I
3.5
64
BLKCK
Subcode block clock
O
0
65
SQCK
Ext.clock for sub code-Q
I
3.5
66
SUBQ
Code for sub. code-Q
O
1.1
67
DMUTE
Mute input
I
0
68
STAT
Status signal
O
1.1
69
NRST
Reset input
I
3.6
70
SPPOL
Not used
-
-
71
PMCK
Clock output
O
2.0
72
SMCK
Clock output
O
1.9
73
SDATA
Serial data
O
0
74
LRCK
LR clock
O
0
75
BCLK
Bit clock
O
0
76
/TEST
(Connecting to VDD)
-
1.5
77
X1
Crystal oscillator
-
1.8
78
X2
Crystal oscillator
-
1.8
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
79
DVDD1
+5V power supply
-
3.6
80
DVSS1
Ground
-
0
IC301 : C2BBGF000364
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
PS
Motor power save
O
3.5
2
BR
Brake mode selection
O
0
3
GCTL
Motor G-control
O
1.6
4
SPCCTL
Motor speed control
O
3.5
5
-
Not used
-
-
6
MCLK
Clock for I/F command
O
2.9
7
MDATA
Data for I/F command
O
1.9
8
MLD
I/F command losd
O
3.5
9
VSS0
Ground
-
0
10
VDD0
+3V power supply
-
3.5
11
STAT
Status signal
I
1.2
12
FLOCK
Focus servo lock
O
0
13
TLOCK
Tracking servo lock
O
0
14
SENS
Servo status
O
0
15
SIM
CD changerserial data
I
3.1
16
SOM
CD changerserial data
O
2.2
17
SCKM
Serial data shift clock
I
3.2
18
SUBQ
Code for sub. code-Q
I
1.7
19
-
Not used
-
-
20
SQCK
Ext. clock for sub. code-Q
O
3.6
21
NRST
Reset output
O
3.6
22
DMUTE
Mute output
O
0
23
MUTE
Mute output
O
0
24
VDD1
+3V power supply
-
3.5
25
AVSS1
Ground
-
0
26
SW15
Feeder SW
I
3.6
27
SW3
Tray H SW
I
3.5
28
SW4
Disc push SW
I
0.5
29
SW5
Disc SW
I
0
30
SW6
Disc load SW
I
0
31
SW7
Eject SW
I
0
32
SW13
Eject2 SW
I
0
33
CLVS
Servo status
O
3.6
34
AVREF
+3V power supply
-
3.6
35
-
Not used
-
-
36
/RESET
Reset
I
3.6
37
XT2
Not used
-
-
38
XT1
(VDD pull-up)
-
3.6
39
IC(VPP)
(Connecting to ground)
-
0
40
X2
Crystal Osillator
-
2.1
41
X1
Crystal Osillator
-
1.8
42
VSS1
Ground
-
0
43
CDON
CD changer start/stop
I
3.1
44
BLKCK
Sub. code block clock
I
0
45
FG
Flag signal
I
1.9
46
BD0
Drop-out signal
I
0
47
FR
Revolution detection
I
0
48
TRV
Forced traverse control
O
1.9
49
PWM
Not used
-
-
50
VMI+
Horizontal motor control
O
0
51
VMI-
Horizontal motor control
O
0
52
MUTE1
Mute output
O
3.6
53
LODI+
Loading motor control
O
0
54
LODI-
Loading motor control
O
0
55
HMI+
Vertical motor control
O
0
56
HMI-
Vertical motor control
O
0
57
SW1
Inner SW
I
3.6
58
SW2
TrayG SW
I
0
59
SW8
Play SW
I
0
60
SW9
Clump SW
I
3.6
61
SW10
Shuter SW
I
3.6
62
SW11
Horizontal origin SW
I
3.6
63
SW12
Outer2 SW
I
3.7
64
SW14
Outer SW
I
3.6
8
AUDI / CX-CA1270L
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