Read Panasonic CQ-C7353N Service Manual online
6
4.1.2.
Display Block
IC900
： C2CBYY000150
4.1.3.
CD Servo Block
IC101
： YESAM337
99 ANT CONT
Power control for antenna
motor
motor
O
5.2
5.2 5.2
100 EP CS(NC)
Not connected
-
-
-
-
Pin
No.
Port
Part Name & Description
I/O
(V)
1
A18
A18 in Address bus
O
1.5
2
A19
A19 in Address bus
O
1.7
3
A20
A20 in Address bus
O
1.3
4
NC
Not connected
-
-
5
LED G
-
-
-
6
LED B
-
-
-
7
A0
A0 in address bus for LCD
O
1.3
8
A1
A1 in Address bus
O
0.3
9
VSS
GND
-
-
10
A2
A2 in Address bus
O
0.4
11
A3
A3 in Address bus
O
0.4
12
A4
A4 in Address bus
O
0.4
13
A5
A5 in Address bus
O
1.3
14
A6
A6 in Address bus
O
0.4
15
A7
A7 in Address bus
O
0
16
A8
A8 in Address bus
O
1.3
17
A9
A9 in Address bus
O
0
18
A10
A10 in Address bus
O
0
19
A11
A11 in Address bus
O
1.5
20
A12
A12 in Address bus
O
1.7
21
VCC
+3.3V Power supply
-
3.5
22
A13
A13 in Address bus
O
1.4
23
A14
A14 in Address bus
O
1.5
24
A15
A15 in Address bus
O
1.7
25
SIN0
Serial data from Main CPU or
Flash writer
Flash writer
I
0.5
26
SOT0
Serial data to Main CPU or
Flash writer
Flash writer
O
1.8
27
SCK0
Serial clock for Flash writer
I
3.5
28
NC
Not connected
-
-
29
FRASH RESET Reset for Flash memory
O
3.5
30
KS1
Key scan 1
O
0
31
NC
Not connected
-
-
32
NC
Not connected
-
-
33
AVCC
+3.3V Power supply
-
3.5
34
AVRH
+3.3V Power supply
-
3.5
35
AVSS/AVRL
GND
-
-
36
TH DETECT
Pulled up to H
-
1.3
37
KS2
Key scan 2
O
0
38
KS3
Key scan 3
O
0
39
NC
Not connected
-
-
40
VSS
GND
-
-
41
KI5
Key-in return 5
I
0
42
KI4
Key-in return 4
I
0
43
KI3
Key-in return 3
I
0
44
KI2
Key-in return 2
I
0
45
NC
Pulled down to L
-
0
46
NC
Pulled up to H
-
3.5
47
MD0
Operating mode control 0 from
Flash writer
Flash writer
I
3.5
48
MD1
Operating mode control 1:
pulled up to H
pulled up to H
-
3.5
49
MD2
Operating mode control 2 from
Flash writer
Flash writer
I
0
50
NC
Not connected
-
-
51
ROTARY 1
Volume-up
detection
from
Rotary encoder
I
2.5
Pin
No.
Port
Description
I/O
(V)
FM AM CD
52
ROTARY 2
Volume-down detection from
Rotary encoder
Rotary encoder
I
2.5
53
NC
Not connected
-
-
54
NC
Not connected
-
-
55
NC
Not connected
-
-
56
NC
Not connected
-
-
57
NC
Not connected
-
-
58
FLASH CE
Chip enable for Flash memory
O
3.4
59
LCD CS
LCD chip select
O
3.4
60
LED R
61
NC
Not connected
-
-
62
NC
Not connected
-
-
63
NC
Not connected
-
-
64
VLCD CONT
Power control for LCD
O
3.4
65
NC
Not connected
-
-
66
NC
Not connected
-
-
67
NC
Not connected
-
-
68
NC
Not connected
-
-
69
OE/RD
Output enable for Flash mem-
ory or Read strobe for LCD
ory or Read strobe for LCD
O
3.4
70
LCD WR
Write strobe for LCD
O
3.4
71
FLASH WE
Write enable for Flash memory
O
3.4
72
NC
Not connected
-
-
73
LCD RESET
Reset for LCD
O
3.4
74
FLASH RY/BY
Ready/Busy from Flash mem-
ory
ory
I
3.4
75
RST
Reset
I
3.5
76
NC
Not connected
-
-
77
NC
Not connected
-
-
78
X0A
GND
-
-
79
VSS
GND
-
-
80
X0
System clock (12.5MHz)
I
1.3
81
X1
System clock (12.5MHz)
O
1.5
82
VCC
+3.3V Power supply
-
3.5
83
D0
D0 in Data bus
I/O
0.9
84
D1
D0 in Data bus
I/O
0.9
85
D2
D0 in Data bus
I/O
1.1
86
D3
D0 in Data bus
I/O
0.9
87
D4
D0 in Data bus
I/O
1
88
D5
D0 in Data bus
I/O
1.1
89
D6
D0 in Data bus
I/O
1.1
90
D7
D0 in Data bus
I/O
0.9
91
D8
D0 in Data bus
I/O
0.9
92
D9
D0 in Data bus
I/O
0.9
93
D10
D0 in Data bus
I/O
0.9
94
D11
D0 in Data bus
I/O
0.5
95
D12
D0 in Data bus
I/O
0.9
96
D13
D0 in Data bus
I/O
0.7
97
D14
D0 in Data bus
I/O
0.7
98
D15
D0 in Data bus
I/O
0.7
99
A16
A16 in Address bus
O
3
100
A17
A17 in Address bus
O
1.7
Pin
No.
Port
Descriptions
I/O
(V)
1
AVSS
GND
-
0
2
LD-MT
Loading Motor drive IC control 1
O
3.2
3
CNT
Loading Motor drive IC control 2
O
3.2
4
-
Not Connected
-
-
5
LD-EJ
Loading Motor drive IC control
(Eject)
(Eject)
O
0
6
AMUTE
Mute signal output
O
0
Pin
No.
Port
Part Name & Description
I/O
(V)
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