Pin
No.
Port
Description
I/O
(V)
FM AM CD
70 LCD
CLK
LCD Clock
O
4.7 4.7 4.7
71 LCD DO LCD data
I
4.7 4.7 4.7
72 LCD DI LCD data
O
4.7 4.7 4.7
73 CH REM CD changer remote
O
0
1.6 2.8
74 AMP
MUTE
Amp mute control
O
4.8 4.8 4.8
75 STBY
Power IC stundby
control
O
4.8 4.8 4.8
76 (NC)
-
-
-
-
-
77 CH
DATA
CD changer data
I
0
0
0
78 CH
CLK /
SYSID3
CD changer clock /
System upgrade ID3
I
0
0
0
79 CD SW1 CD mechanism SW1
I
4.8 4.8 4.8
80 CD SW2 CD mechanism SW2
I
0
0
4.8
9.2. Display Block
IC901 : C0HBA0000195
Pin
No.
Port
Description
I/O (V)
1-39 SEG1-39
LCD segment data
O
2.4
40-
43
COM1-4
LCD common
O
2.4
44,45 SEG40,41 Not used
-
-
46-
49
KS3-6
Key scan
O
4.7
50-
54
Kl1-5
Key data
I
0
55 TEST
(Connecting to ground)
-
0
56 VDD
+5V power supply
-
4.7
57 VDD1
VDD1 filter terminal
-
3.1
58 VDD2
VDD2 filter terminal
-
1.6
59 VSS
Ground
-
0
60 OSC
Oscillator terminal
-
3.7
61 DO
Key data output
O
4.7
62 CE
LCD driver chip enable
I
0
63 CLK
LCD clock
I
4.7
64 DI
LCD data
I
4.7
9.3. CD Servo Block
IC101 : YESAM337
8
Summary of Contents for CQ-C3403W
Page 5: ...9 TERMINALS DESCRIPTION 9 1 Main Block IC601 YESAM355 5 ...
Page 11: ...IC201 YESAM293 IC231 C0ABBB000038 IC401 YESAM321 11 ...
Page 12: ...IC271 C1EA00000041 IC650 YESAM265 IC681 YESAM346 12 ...
Page 13: ...IC710 YESAM340 IC791 YESAM344 IC750 YESAM267 13 ...
Page 39: ...18 BLOCK DIAGRAM 18 1 Main 1 Sub Block 39 ...
Page 40: ...18 2 Main 2 Display Connector Block 18 3 CD Servo Block 40 ...
Page 42: ......
Page 43: ......
Page 44: ......
Page 45: ......
Page 46: ......
Page 47: ......
