Panasonic CQ-EF7160A Service Manual page 10

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CUSTOM MADE FOR SUBARU / CQ-EF7160A
9.3.
CD Servo Block
IC201 : MN662783RPW
Pin
Port
No.
1
VDD
+5V power supply
2
D0
D-RAM data
3
D1
D-RAM data
4
/WE
D-RAM data write
5
/RAS
D-RAM row address strobe
6
D2
D-RAM data
7
D3
D-RAM data
8
/CAS0
D-RAM columun address strobe
9
/CAS1
D-RAM columun address strobe
10
A8
D-RAM address
11
A7
D-RAM address
12
A6
D-RAM address
13
A5
D-RAM address
14
A4
D-RAM address
15
A9
D-RAM address
16-18 A0
D-RAM address
19
A3
D-RAM address
20
VSS2
Ground
21
VDD2
+5V power supply
22,23 -
Not used
24
TVD
Traverse motor control
25
PC
Not used
26
ECS
Spindle motor control
27
TRD
Tracking coil drive
28
FOD
Focus coil drive
29
FBAL
Focus balance
30
TBAL
Tracking balance
31
VREF
Refence voltage
32
FE
Focus error
33
TE
Tracking error
34
RFENV
RF envelope
35
OFT
Off track signal
36
/RFDET
RF detecting signal
37
BDO
Drop-out signal
38
LDON
Laser on signal
39
ARF
RF signal
40
IREF
Reference current input
41
DRF
Bias for DSL
42
DSLF
Loop filter for DSL
43
DSLF2
Loop filter for DSL
44
PLLF
Loop filter for PLL
45
VCOF
Not used
46
AVDD2
+5V power supply
47
AVSS2
Ground
48
OUTL
L channel output
49
AVSS1
Ground
50
OUTR
R channel output
51
AVDD1
+5V power supply
52-54 -
(Connecting to ground)
55
FLAG
Flag output
56
FCLK
Frame clock
57-59 -
Not used
60
TX
Not used
61
MCLK
Clock for I/F command
62
MDATA
Date for I/F command
63
MLD
I/F command load
64
BLKCK
Subcode block clock
65
SQCK
Ext.clock for sub code-Q
66
SUBQ
Code for sub. code-Q
67
DMUTE
Mute input
68
STAT
Status signal
69
/RST
Reset input
Description
I/O
(V)
-
5.0
I/O
2.3
I/O
1.8
O
4.9
O
3.4
I/O
0.8
I/O
O
3.9
O
O
0.6
O
1.1
O
0.7
O
O
1.1
OZ
0.4
O
1.0
O
-
-
5.0
-
O
2.5
-
O
2.4
O
2.5
O
2.4
O
1.9
O
3.0
I
2.5
I
2.5
I
2.5
I
2.5
I
I
I
O
4.5
I
2.5
I
1.2
I
2.4
I/O
2.5
I/O
2.2
I/O
1.4
-
-
5.0
-
O
2.3
-
O
2.3
-
4.7
-
O
O
-
-
I
1.0
I
3.1
I
5.0
O
I
5.0
O
3.8
I
O
5.0
I
5.0
70
CSEL
(Connecting to ground)
71
PMCK
Clock output
72
SMCK
Clock output
73
SUBC
Serial data of sub code
74
SBCK
Shift clock for SUBC
75
/CLDCK
Not used
76
/TEST
(Connecting to VDD)
77
X1
Crystal oscillator
78
X2
Crystal oscillator
79
VDD1
+5V power supply
80
VSS1
Ground
0
IC301 : MN1873260AB
0
Pin
Port
No.
1
VDD
+5V power supply
0
2
OSC2
Crystal oscillator
3
OSC1
Crystal oscillator
4
VSS
Ground
5
XI
(Connecting to ground)
0
6
XO
Not used
0
7
CM
(Connecting to ground)
8
VREFH
Reference voltage
-
9
SW13
Shuter SW
10
SW12
Horizontal origin
-
11
SW11
Clump SW
12
SW10
Play SW
13
SW4
Shuter SW
14
SW3
Tray origin SW
15
SW2
Inner SW
16
SW1
Outer SW
17
VREFL
Reference voltage
18
/RESET
Reset input
19
-
(Ground pull-down)
20
SCKM
Clock for serial data
0
21
SIM
CD changer serial data
0
22
SOM
CD changer serial data
0
23
SQCK
Ext. clock for sub. code-Q
24
SUBQ
Code for sub. code-Q
25
-
Not used
26
-
(Ground pull-down)
27
CD.ON
CD changer start/stop
28
-
Not used
29
BLKCK
Sub. code block clock
30
P.ON
Not used
-
31
MUTE
Mute output
32
-
(Ground pull-down)
0
33
SENS
Servo status
34
CLVS
Servo status
0
35
FLOCK
Focus servo lock
36
TLOCK
Tracking servo lock
37
VMI
Horizontal motor control
0
38
HMI
Vertical motor control
0
39
HVMUTE
H/V motor mute
0
40-42 -
(Ground pull-down)
-
43
SW9
Disc-in (B) SW
-
44
SW8
Disc-in (L) SW
45
SW7
Disc-in (F) SW
46
SW6
Disc push SW
47
SW5
Tray hight SW
0
48
BDO
Drop-out signal
49
DQSY
Not used
50
/RST
Reset output
0
51
STAT
Status signal
52
DMUTE
Mute output
53
XE
Not used
10
-
O
2.5
O
2.5
O
I
0.6
-
-
5.0
-
0.4
-
3.2
-
5.0
-
Description
I/O
(V)
-
5.0
-
2.2
-
2.1
-
-
-
-
I
5.0
I
4.9
I
4.9
I
I
I
4.9
I
I
4.8
I
4.9
I
I
4.9
-
I
5.0
I
1.3
O
4.3
O
5.0
I
1.6
-
5.0
-
I
5.0
-
5.0
I
-
5.0
O
5.0
-
O
O
5.0
O
0.2
O
O
2.5
O
O
-
I
I
I
I
I
4.5
I
-
O
5.0
I
2.1
O
-
0
0
-
0
0
0
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-
0
-

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