Pin
No.
Port
Description
I/O
(V)
FM AM CD
38 RM
DATA
Remote control data
I
4.7 4.7 4.7
39 AF
MUTE
AF mute control
O
4.7 4.7 4.7
40 INV
CNT
Illumination control
O
4.7 4.7 4.7
41 (NC)
-
-
-
-
-
42 HUB
ACC
CNT
HUB ACC regulator
control
O
0
0
0
43 INI A
Mode setting A
I
4.8 4.8 4.8
44 INI B
Mode setting B
I
0
0
0
45 INI C
Mode setting C
I
4.8 4.8 4.8
46 CHSTB
/
SYSID4
CD changer strobe /
System upgrade ID4
I
0
0
0
47 CD
MUTE
CD mute
I
0
0
0
48 EVENT
System upgrade
EVENT
I
0
0
0
49 HUB
CNT
HUB control signal
O
3.6 3.6 3.6
50 UART
RX
UART serial data
I
0
0
0
51 UART
TX
UART serial data
O
2.2
0
1.9
52 CD SI
CD data input
O
0
0
0
53 CD SO
CD data output
I
0
0
0.8
54 CD SCK CD clock
O
4.7 4.7 4.7
55 CD RST CD reset
O
4.7 4.7 4.7
56 CD STB CD strobe
I
4.7 4.7 3.5
57 (NC)
-
-
-
-
-
58 (NC)
-
-
-
-
-
59 AVREF
(Conecting to +5V)
-
4.9 4.9 4.9
60 AVSS
Ground
-
0
0
0
61 ACC
ACC detection
I
4.9 4.9 4.9
62 (NC)
-
-
-
-
-
63 LEVEL
Audio level meter
signal
I
0
0
0
64 VSM
Radio signal
strength
I
0
0
0
65 (NC)
-
-
-
-
-
66 SCL
Audio control serial
clock
O
4.9 4.9 4.9
67 SDA
Audio control data
O
4.9 4.9 4.9
68 SD/ST
Radio station detect
I
4.8 4.8 4.8
69 MAIN
CNT
Main power control
O
4.8 4.8 4.8
7
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: ......