CX-ZS0270F - Panasonic Car Audio Service Manual (repair manual). Page 8

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8.1. Main Block
IC501 : C2BBGF000082
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
NC
(Connecting to ground)
-
0
2
NC
(Connecting to ground)
-
0
3
NC
(Connecting to ground)
-
0
4
AVSS
Ground (for A/D Converter)
-
0
5
NC
(Connecting to ground)
-
0
6
NC
-
-
0
7
AVREF
Reference Voltage
-
4.5
8
DVD SO
Serial Data In (for DVD Deck)
I
5.1
9
DVDSI
Serial Data Out (for DVD Deck)
O
4.8
10
NC
(Connecting to ground)
-
0
11
NC
(Connecting to ground)
-
0
12
NC
(Connecting to ground)
-
0
13
NC
(Connecting to ground)
-
0
14
NC
(Connecting to ground)
-
0
15
NC
(Connecting to ground)
-
0
16
NC
(Connecting to ground)
-
0
17
EP SI
(Not Used)
-
-
18
EP SO
(Not Used)
-
-
19
EP SCK
(Not Used)
-
-
20
NC
(Connecting to ground)
-
0
21
NC
(Connecting to ground)
-
0
22
NC
(Connecting to ground)
-
0
23
NC
(Connecting to ground)
-
0
24
NC
(Connecting to ground)
-
0
25
NC
(Connecting to ground)
-
0
26
NC
(Connecting to ground)
-
0
27
PWR CNT
Power ON/OFF Control
O
4.5
28
VTR CNT
DVD Player Operating Signal
O
4.5
29
PKB
Parking Brake Detect
I
0
30
NC
(Connecting to ground)
-
0
31
MUTE
Mute Signal Output
O
4.5
32
EJECT
EJECT Signal Detect
I
4.5
33
VSS
Ground
-
0
34
REM CNT
Remote Control Receiver Power
O
0
35
DAB CNT (NC)
-
-
0
36
VOL 0
Volume Control 0
O
0
37
VOL 1
Volume Control 1
O
9.2
38
NC
(Connecting to ground)
-
0
39
NC
(Connecting to ground)
-
0
40
NC
(Connecting to ground)
-
0
41
NC
(Connecting to ground)
-
0
42
NC
(Connecting to ground)
-
0
43
NC
(Connecting to ground)
-
0
44
SLEEP
DVD Deck Reset
O
4.5
45
HRES
DVD Deck Hard Reset
O
4.6
46
NC
(Connecting to ground)
-
0
47
NC
(Connecting to ground)
-
0
48
NC
(Connecting to ground)
-
0
49
NC
(Connecting to ground)
-
0
50
NC
(Connecting to ground)
-
0
51
NC
(Connecting to ground)
-
0
52
NC
(Connecting to ground)
-
0
53
NC
(Connecting to ground)
-
0
54
NC
(Connecting to ground)
-
0
55
NC
(Connecting to ground)
-
0
56
NC
(Connecting to ground)
-
0
57
NC
(Connecting to ground)
-
0
58
NC
(Connecting to ground)
-
0
59
NC
(Connecting to ground)
-
0
60
RESET
Reset In
I
4.5
61
REM
Remote Control Data In
I
0
62
BATT
Battery Voltage Detect
I
5.0
63
NC
(Connecting to ground)
-
0
64
NC
(Connecting to ground)
-
0
65
NC
(Connecting to ground)
-
0
66
NC
(Connecting to ground)
-
0
67
VSS
Ground
-
0
Pin
No.
Port
Descriptions
I/O
Vol
(V)
68
VDD
VDD
-
4.6
69
MAIN X2
Crystal Oscillator
-
2.6
70
MAIN X1
Crystal Oscillator
I
2.4
71
VSS
Ground
-
0
72
NC
(Connecting to ground)
-
0
73
NC
(Connecting to ground)
-
0
74
AVDD
VDD (for A/D Converter)
-
4.5
75
AVREF
Reference Voltage
-
4.5
76
ACC
ACC Voltage Detect
I
5.0
77
INIT
Initial Setup
I
1.8
78
NC
(Connecting to ground)
-
0
79
NC
(Connecting to ground)
-
0
80
NC
(Connecting to ground)
-
0
Note : Voltage measuerments are with respect to ground, with
a voltmeter (internal resistance : 10M ohms).
8.2. DVD Servo Block
IC1 : MN102L25DAC
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
WAIT
Wait ODC
O
5.1
2
/RE
Flash ROM/ODC Read Enable
I
5.1
3
/WEL
Flash ROM/ODC Read Enable
O
0
4
/WEH
Flash ROM/ODC Read Enable
O
5.1
5
CS ROM
Flash ROM Chip Select
O
5.1
6
/CS RAM
Flash ROM Chip Select
O
5.1
7
/CS ODC
ODC Chip Select
O
0
8
/CS DEC
DEC Chip Select
O
0
9
/DSCCS
ADSC Serial Bus Enable
O
5.1
10
FESEN
FEP Serial Bus Enable
O
5.1
11
BSTRE(NC)
-
-
-
12
WORD
(Connecting to GND)
-
0
13
A0
Flash ROM/ODC Address 0
O
1.4
14
A1
Flash ROM/ODC Address 1
O
2.9
15
A2
Flash ROM/ODC Address 2
O
2.0
16
A3
Flash ROM/ODC Address 3
O
2.7
17
VDD1
+5V Power Supply
-
5.1
18
SYS CLK
System Clock
O
2.3
19
VSS
GND
-
0
20
XI
(Connecting to +5V)
-
5.1
21
XO(NC)
-
-
-
22
VDD2
+5V Power Supply
-
5.1
23
OSCI
Clock, 10MHz
I
2.4
24
OSCO(NC)
-
-
-
25
MODE
Mode Selector
I
0
26
A4
Flash ROM/ODC Address 4
O
2.6
27
A5
Flash ROM/ODC Address 5
O
3.4
28
A6
Flash ROM/ODC Address 6
O
2.0
29
A7
Flash ROM/ODC Address 7
O
1.9
30
A8
Flash ROM/ODC Address 8
O
4.8
31
A9
Flash ROM/ODC Address 9
O
2.0
32
A10
Flash ROM/ODC Address 10
O
0.8
33
A11
Flash ROM/ODC Address 11
O
3.8
34
VDD3
+5V Power Supply
-
5.1
35
A12
Flash ROM/ODC Address 12
O
4.2
36
A13
Flash ROM/ODC Address 13
O
1.3
37
A14
Flash ROM/ODC Address 14
O
0.8
38
A15
Flash ROM/ODC Address 15
O
0.5
39
A16
Flash ROM/ODC Address 16
O
0.5
40
A17
Flash ROM/ODC Address 17
O
1.2
41
A18
Flash ROM/ODC Address 18
O
1.2
42
A19(NC)
-
-
-
43
VSS1
GND
-
0
44
A20(NC)
-
-
-
45
A21(NC)
-
-
-
46
EEPROM CS
EEPROM Chip Select
O
0
8 TERMINALS DESCRIPTION
8
CX-ZS0270F
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