Panasonic CQ-C8303U Service Manual page 10

CQ-C8403U / CQ-C8303U
Pin Port
No.
97 NC Not connected
98 S LED Security LED drive
99 ANT CONT Power control for antenna
motor
100 NC Not connected
10.2. Display Block
IC901 C2CBKJ000189
Pin Port
No.
1 NC
2 DCLK SLV4
3 UART SS4
4 UART SS3
5 D DIS
6 PADJ IO2
7 DCLK SLV3
8 NC
9 NC
10 NC
11 KS1
12 KS2
13 KS3
14 NC
15 BUS BYTE
16 CNVSS
17 IADJ
18 I CLK
19 RESET
20 X1
21 GND
22 X0
23 VCC5.0V
24 NMI
25 Y SYNC
26 NC
27 NC
28 X SYNC
29 A CLK TA
30 NC
31 NC
32 S DIS
33 NC
34 NC
35 NC
36 NC
37 NC
Description (I/O
)
FM AM CD
- -
O 0
O 5.2 5.2 5.2
- -
Part Name & Description I/O
Not connected
Slave D-CLK4 (Clock for
image data)
GND
GND
Disable for Anode drive
(Disable for image signal)
Anode output pulse width
adjusting data 2 (Image data)
Slave D-CLK 3 (Clock for
image data)
Not connected
Not connected
Not connected
Key scan 1
Key scan 2
Key scan 3
Not connected
GND
CPU rewrite mode/Single
CPU mode selection for
Flash writer
Anode output current
adjusting data (Luminance
control)
Clock for anode output
current adjusting data
Reset from main CPU
Ceramic oscillator clock
(8MHz)
GND
Ceramic oscillator clock
(8MHz)
Power supply
Pulled up to H
Cathode scan data and
Cathode latch control
(Vertical sync.)
Not connected
Not connected
Clock for Cathode scan; or
Latch strobe for Anode
output pulse width adjusting
data and Anode output
current adjusting data
Anode output pulse width
adjusting clock
Not connected
Not connected
Disable for Cathode drive
Not connected
Not connected
Not connected
Not connected
Not connected
(V) Pin Port
No.
38 PADJ IO1/TXD
- -
0 5.0
39 VCC5.0V
- -
40 RXD
41 GND
42 DCLK MST/SCLK Master D-CLK (Clock for
43 BUSY
44 OEL OE
45 PADJ IO0
(V)
46 DCLK SLV0
- -
I 1.5
47 UART SS0
48 NC
- 0
49 FLASH CE
- 0
O 0
50 NC
51 NC
O 3.8
52 RY/BY
53 NC
I 1.5
54 EPM
- -
55 NC
- -
56 NC
- -
57 GND
O 0
58 NC
O 0
59 VCC3.3V
O 0
60 NC
- -
61 NC
- 0
62 NC
I 0
63 FLASH OE
64 NC
O 0
65 FLASH WE
O 0
66 NC
67 NC
I 4.4
68 NC
O 2.5
69 NC
70 FLASH A22
- 0
71 FLASH A21
I 2.2
72 FLASH A20
73 FLASH A19
- 4.6
74 VCC3.3V
- 4.6
75 FLASH A18
O 0
76 GND
77 FLASH A17
78 FLASH A16
- -
79 FLASH A15
- -
80 FLASH A14
O 0
81 FLASH A13
82 FLASH A12
83 FLASH A11
84 FLASH A10
O 2.7
85 FLASH A9
86 FLASH WP
- -
- -
87 NC
O 2.4
88 NC
- -
89 NC
- -
90 NC
- -
91 VDD 3.3V
- -
92 FLASH A8
- -
93 GND
10
Part Name & Description I/O
Anode output pulse width
adjusting data 0 (Image
data); or Serial data for Flash
writer
Power supply
Serial data from Flash writer
GND
O/I
image data);or Serial clock
from Flash writer
Busy for Flash writer
OEL output enable
Anode output pulse width
adjusting data 0 (Image data)
Slave D-CLK 0 (Clock for
image data)
GND
Not connected
Chip enable for Flash
memory
Not connected
Not connected
Pulled up to H
Not connected
Program mode enable for
Flash writer
Not connected
Not connected
GND
Not connected
Power supply
Not connected
Not connected
Not connected
Output enable for Flash
memory
Not connected
Write enable for Flash
memory
Not connected
Not connected
Not connected
Not connected
A22 in Address bus
A21 in Address bus
A20 in Address bus
A19 in Address bus
Power supply
A18 in Address bus
GND
A17 in Address bus
A16 in Address bus
A15 in Address bus
A14 in Address bus
A13 in Address bus
A12 in Address bus
A11 in Address bus
A10 in Address bus
A9 in Address bus
Write protect/Accelaration
from Flash memory
Not connected
Not connected
Not connected
Not connected
Power supply
A8 in Address bus
GND
(V)
O 1.2
- 3.3
I 1.3
- 0
3.3
O 1.5
O 0
O 1.8
I 2.7
- 0
- -
O 1.7
- -
- -
- 3.6
- -
I 2.3
- -
- -
- 0
- -
- 3.6
- -
- -
- -
O 3.6
- -
O 3.6
- -
- -
- -
- -
O 0
O 3.6
O 3.6
O 0
- 3.6
O 3.6
- 0
O 0
O 2.5
O 0
O 0
O 2.5
O 2.5
O 0
O 0
O 0
O 0
- -
- -
- -
- -
- 3.4
O 0
- 0