10.2. Display Block
IC901 : YESAM168
Pin
No.
Port
Description
I/O (V)
1-35 SEG3-37
LCD segment data
O
2.5
36-51 SEG40-55 LCD segment data
O
2.5
52-55 COM1-4
LCD common
O
2.5
56,57 SEG39,38 Not used
-
-
58-61 KS3-6
Key scan
O
5.0
62-66 Kl1-5
Key data
I
0
67
VDD
+5V power supply
-
5.0
68
VLCD
VLCD terminal
-
4.8
69
VLCD1
VLCD1 terminal
-
3.3
70
VLCD2
VLCD2 terminal
-
1.7
71
VSS
Ground
-
0
72
TEST
(Connecting to ground)
-
0
73
OSC
Oscillator terminal
-
3.9
74
RESET
Reset
I
4.8
75
DO
Key data output
O
5.0
76
CE
LCD driver chip enable
I
0
77
CLK
LCD clock
I
4.9
78
DI
LCD data
I
4.9
79,80 SEG1,2
LCD segment data
O
2.5
10.3. CD Servo Block
IC401 : YESAM348
Pin
No.
Port
Descriptions
I/O
(V)
1
CVSS1 GND
-
0
2
-
-
-
-
3
CVSS2 GND
-
0
4
DVDD1 I/O system (3.3V) power
supply
-
3.3
5
A10
Address bus of FLASH ROM
O
0
6
-
-
-
-
7
A11
Address bus of FLASH ROM
O
3.3
8
A12
O
3.3
9
A13
O
3.3
10 A14
O
3.3
11 A15
O
3.3
12 /
CVDD1
CORE CPU system (1.6V)
power supply
-
1.6
13
-
-
-
-
14 DVSS1 GND
-
0
15 CVSS3 GND
-
0
9
Содержание CQ-C5302W
Страница 5: ...9 DISASSEMBLY INSTRUCTIONS 9 1 How to remove the Flexible PCB 5 ...
Страница 14: ...IC401 YESAM284 IC650 YESAM265 IC681 YESAM273 14 ...
Страница 15: ...IC750 YESAM267 IC760 YESAM287 11 2 Display Block IC902 YESAM264 15 ...
Страница 16: ...11 3 CD Servo Block IC402 YESAM353 IC403 YESAM171 16 ...
Страница 42: ......
Страница 43: ......
Страница 44: ......
Страница 45: ......
Страница 46: ......
Страница 59: ......
Страница 60: ......