CX-VT4260A, CX-VT4261A (serv.man2) - Panasonic Car Audio Service Manual (repair manual). Page 8

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6.1. Main Block
IC600 C2CBJH000039
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
DVD RST
DVD reset
O
5.0
2-7
NC
No connection
-
-
8
FLASH W_CLK Not used
-
-
9
FLASH W_SO
Not ised
-
-
10
FLASH W_SI
Not used
-
-
11
RESET
System reset
I
5.0
12
XT2
Not used
-
-
13
XT1
(Connecting to ground)
-
0
14
VSS
Ground
-
0
15
X2
Crystal oscillator
-
1.6
16
X1
Crystal oscillator
-
1.5
17
REG OFF
(Connecting to ground)
-
0
18
REGC
Bypass capacitor terminal
-
-
19
VDD
+5V power supply
-
4.9
20
NC
No connection
-
-
21
NC
No connection
-
-
22
ADPG
Not used
-
0
23
V-CNT1
Comparator voltage level cont.
O
0
24
V-CNT2
Comparator voltage level cont.
O
5.0
25-30 NC
No connection
-
-
31
-
Not used
-
-
32-35 NC
No connection
-
-
36
-
Not used
-
-
37-39 NC
No connection
-
-
40
VSS
Ground
-
0
41
VDD
+5V power supply
-
4.9
42,43 NC
No connection
-
-
44
SW f1
Not used
-
-
45
SW f2
Not used
-
-
46-48 NC
No connection
-
-
49
STBY
DVD power stand-by
O
5.0
50
NC
No connection
-
-
51
ILL-IND
Disc indicator LED on/off
O
4.9
52
NC
No connection
-
-
53
IND
Indicator LED power cont.
O
5.0
54
NC
No connection
-
-
55
ACC.ON
9V/5V regulator on/off
O
5.0
56
ILL.ON
ILL power control
O
0
57-60 NC
No connection
-
-
61
A-CNT1
Audio signal selection
O
0
62
NC
No connection
-
-
63
LPF-SEL
Not used
-
-
64
A-CNT2
Not used
-
-
65-69 NC
No connection
-
-
70
0 MUTE
Mute control
O
0
71
NC
No connection
-
-
72
NC
No connection
-
-
73
TEST
(Ground pull-down)
-
0
74
DEG IN
(VDD pull-up)
-
4.9
75-79 NC
No connection
-
-
80
FAN-ON
Not used
-
-
81
NC
No connection
-
-
82
AVDD
+5V power supply
-
4.9
83
AVREF
+5V power supply
-
4.9
84
AVSS
Ground
-
0
85
RX
Communication data
I
0
86
TX
Communication data
O
0
87
NC
No connection
-
-
88
EJT
Eject signal
I
4.9
89
NC
No connection
-
-
90
NC
No connection
-
-
91
NC
No connection
-
-
92
+B-DET
Battery level detection
I
4.9
93
ACC-DET
ACC level detection
I
4.9
94
NC
No connection
-
-
95
DVD SO
DVD serial data
I
0
96
DVD SI
DVD serial data
O
0
Pin
No.
Port
Descriptions
I/O
Vol
(V)
97
MUTE-CUT
Mute enable/disable
O
0
98
IEC-CNT
Not used
-
-
99
NC
No connection
-
-
100
NC
No connection
-
-
6.2. DVD Servo Block
IC301 C1AB00001621
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
VDDIO
I/O pad power (3.3V)
-
3.3
2
MD10
SDRAM data bus
I/O
0
3
MD11
SDRAM data bus
I/O
0.6
4
VDD
Core power (1.8V)
-
1.8
5
MD12
SDRAM data bus
I/O
0
6
VSSIO
I/O pad ground
-
0
7
MD13
SDRAM data bus
I/O
0.7
8
MD14
SDRAM data bus
I/O
0.5
9
MD15
SDRAM data bus
I/O
0
10
VDDIO
I/O pad power (3.3V)
-
3.3
11
/DQM1
SDRAM data byte enable
O
0
12
MA9
SDRAM address bus
O
0
13
MA8
SDRAM address bus
O
0
14
VSSIO
I/O pad ground
-
0
15
MA7
SDRAM address bus
O
2.3
16
MA6
SDRAM address bus
O
1.9
17
VSS
Core ground
-
0
18
MA5
SDRAM address bus
O
1.1
19
VDDIO
I/O pad power (3.3V)
-
3.3
20
MA4
SDRAM address bus
O
2.0
21
MA3
SDRAM address bus
O
2.3
22
MCLK
SDRAM clock
O
1.7
23
VSSIO
I/O pad ground
-
0
24
CKE
SDRAM clock enable
O
3.3
25
MA2
SDRAM address bus
O
2.3
26
MA1
SDRAM address bus
O
1.0
27
VDDIO
I/O pad power (3.3V)
-
3.3
28
MA0
SDRAM address bus
O
1.0
29
MA10
SDRAM address bus
O
0
30
MA11
Not used
-
-
31
VSSIO
I/O pad ground
-
0
32
MA12
SDRAM address bus
O
2.1
33
MA13
SDRAM address bus
O
2.1
34
VDD
Core power (1.8V)
-
1.8
35
/CS0
SDRAM primary bank chip select
O
2.7
36
VDDIO
I/O pad power (3.3V)
-
3.3
37
/RAS
SDRAM command bit
O
3.1
38
/CAS
SDRAM command bit
O
2.9
39
/WE
SDRAM command bit
O
3.2
40
VSSIO
I/O pad ground
-
0
41
/DQM0
SDRAM data byte enable
O
0
42
/DQM2
SDRAM data byte enable
O
0
43
MD16
SDRAM data bus
I/O
0.5
44
VDDIO
I/O pad power (3.3V)
-
3.3
45
MD17
SDRAM data bus
I/O
0.5
46
MD18
SDRAM data bus
I/O
0.5
47
VSS
Core ground
-
0
48
MD19
SDRAM data bus
I/O
0.7
49
VSSIO
I/O pad ground
-
0
50
MD20
SDRAM data bus
I/O
0
51
MD21
SDRAM data bus
I/O
1.5
52
MD22
SDRAM data bus
I/O
1.0
53
VDDIO
I/O pad power (3.3V)
-
3.3
54
MD23
SDRAM data bus
I/O
0
55
MD24
SDRAM data bus
I/O
0.5
56
MD25
SDRAM data bus
I/O
0.5
57
VSSIO
I/O pad ground
-
0
58
MD26
SDRAM data bus
I/O
0.5
59
MD27
SDRAM data bus
I/O
0.8
60
MD28
SDRAM data bus
I/O
0
6 TERMINALS DESCRIPTION
8
CX-VT4260A / CX-VT4261A
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