10.1. Main Block [CQ-
C7403U/C7303U]
IC601 : C2CBKG000035
Pin
No.
Port
Part Name &
Description
I/O
FM
AM
CD
1
PANEL OPEN
Panel open detection
I
0
5.2
5.2
2
PANEL CLOSE Panel close detection
I
0
0
5.2
3
SUBM CNT
3.3V power control for
Display
O
5
-
-
4
BATT
Battery power check
I
4.8
5
5
5
ACC
Acc. power check
I
4.8
5
5
6
SDA
Serial
data
for
electronic volume
I/O
4.9
4.9
4.9
7
SCLK
Serial
clock
for
electronic volume
O
4.9
4.9
4.9
8
CD MUTE
Signal mute from CD
deck
I
5
5
5
9
Vss
GND
-
0
0
0
10 ST
FM stereo detection
I
5.1
5.2
5.2
11 PLL DI (MO)
Serial data to PLL
O
0.6
0
0
12 PLL DO (MI)
Serial data from PLL
I
5.2
5.2
5.2
13 PLL CLK
Serial clock for PLL
O
4.9
4.9
4.9
14 PLL CE
Chip enable for PLL
O
0
0
0
15 CD RESET
Reset for CD deck
O
4.9
4.9
4.9
16 SUB SI
Serial data to Display
CPU
O
0.6
0.6
0.8
17 CD IN
Disc-in detection
I
5
5
5
18 SUB SO
Serial
data
from
Display CPU
I
4.4
4.4
4.4
19 CH DATA/ UP
SO
XM SO/UP SO Serial
data from Changer
I
1.6
1.6
1.6
20 CH
CLK/
UP
CLK
Serial
clock
for
Changer or Flash writer
I
4.9
4.9
4.9
21 Vdd
+5V power supply
-
4.9
4.9
4.9
22 XM SI (MO)/ UP
SI
Serial data to Satellite
or Flash writer
O
0
0
0
23 CD SI (MO)
Serial data to CD deck
O
0
0
0
24 CD SCLK
Serial
clock
for
CD
deck
I/O
0
0.4
0
25 CONDENSOR
Capacitor
connection
for power
-
3.3
3.3
3.3
26 CD SO (MI)
Serial data from CD
deck
I
0
0
0
27 CH STB
Strobe from Changer
I
0
0
0
28 CH REM OUT
Remote control codes
to Changer
O
4.9
4.9
0.4
29 DECK V CONT
Power control for CD
deck
O
4.9
4.9
4.9
30 REMO INT
Interrupt
for
remote
control
I
3.7
3.7
3.7
31 CD FS
Frame sync. for CD
deck
O
-
-
-
32 Avdd
+5V power supply
-
5.1
5.1
5.1
33 AVREF
+5V power supply
-
5.1
5.1
5.1
34 AVGND
GND
-
0
0
0
35 AVSS
GND
-
0
0
0
36 SD
FM/AM
signal
level
meter
I
0.2
0
0.3
37 INIT A
Model
setting
A
by
voltage level
I
0
0
0
38 INIT B
Model
setting
B
by
voltage level
I
0
0
0
39 A IN
Spectrum
analyzer
data
I
0
0
0
40 Vss
GND
-
0
0
0
41 SYS ID1
Hub connection device
detection ID 1
I
0
0
0
Pin
No.
Port
Part Name &
Description
I/O
FM
AM
CD
42 SYS ID2
Hub connection device
detection ID 2
I
5.2
5.2
5.2
43 HUB EVENT
Bluetooth
incoming
detection
I
5.2
5.2
5.2
44 HUB CNT
Request
of
hub
connection check
O
0
0
0
45 CD SW1
Disc detection switch 1
I
0
0
0
46 CD SW2
Disc detection switch 2
I
0
0
0
47 MOD0
Operating mode control
0 from Flash writer
I
5.1
5.1
5.1
48 MOD1
Operating mode control
1: pulled up to H
-
5.1
5.1
5.1
49 MOD2
Operating mode control
2 from Flash writer
I
0
0
0
50 H STANDBY
Standby control from
external
I
5
5
5
51 DCDC CONT
Not connected
-
-
-
-
52 FP MOTOR1
Open/Close
of
Front
panel 1
O
4.9
5
4.9
53 FP MOTOR2
Open/Close
of
Front
panel 2
O
4.9
5
4.9
54 V CONT1
Reference
voltage
control for motor driver
O
0
0
5
55 REMO 1
Remote control data
I
5
5
5
56 SA CLK
Spectrum
analyzer
clock
O
5
5
4.9
57 EXT MUTE
Pulled up to H
I
5.3
5.2
5.2
58 AMP CONT
Power
control
for
external Amplifier
O
4.9
5
4.9
59 BZ OUT
Buzzer signal
O
0
0
0
60 OEL VCONT
Not connected
-
-
-
-
61 WOW MODE1
SRS WOW mode 1
O
0
0
0
62 WOW MODE2
SRS WOW mode 2
O
0
0
0
63 WOW MODE3
SRS WOW mode 3
O
0
0
0
64 DIM1
Dimmer control 1
O
0
0
0
65 DIM2
Dimmer control 2
O
0
0
0
66 MAIN CNT2
Power control for Hub
O
5
5
5
67 SRC KEY
SOURCE key detection
I
5
4.9
5
68 PANEL IN
Panel
attachment
detection
I
-
-
-
69 NC
Not connected
-
-
-
-
70 NC
Not connected
-
-
-
-
71 NC
Not connected
-
-
-
-
72 MAIN CONT
Main power control
O
4.9
4.9
4.9
73 INV CONT
Dimmer power control
O
5
5
5
74 AF MUTE
Audio mute
O
5
5
5
75 RESET
Reset
I
5
5
5
76 FOCUS ELV
Focus
elevation
for
SRS WOW
O
-
-
-
77 X1A
Oscillator clock
O
2.1
2.1
2.1
78 X0A
Oscillator clock
I
1.6
1.6
1.6
79 Vss
GND
-
0
0
0
80 X1
Crystal oscillator clock
I
2
2
2
81 X2
Crystal oscillator clock
O
2.5
2.5
2.5
82 Vdd
+5V power supply
-
5
5
5
83 P00
Pulled down to L
-
0
0
0
84 P01
Pulled up to H
-
5.1
5
5.1
85 OFFSET DET
Audio
clipping
level
detection from Power
amp.
I
0
0
0
86 STBY
Standby
for
Power
amp.
O
5
5
5
87 MUTE
Mute for Power amp.
O
0
0
0
88 ILL SENS
Pulled up to H
-
5
5
5
89 NC
Pulled up to H
-
5
5
5
90 NC
Not connected
-
-
-
-
91 NC
Not connected
-
-
-
-
10 TERMINALS DESCRIPTION
10
CQ-C7403U / CQ-C7303U / CQ-C7203U / CQ-C7103U
Summary of Contents for CQC7403U - CAR AUDIO - MULTI-LANG
Page 4: ...8 WIRING CONNECTION 8 1 CQ C7403U 4 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 5: ...8 2 CQ C7303U 5 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 6: ...8 3 CQ C7203U C7103U 6 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 9: ...9 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 24: ...14 EXPLODED VIEW Unit CQ C7403U C7303U 24 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 31: ...16 EXPLODED VIEW Unit CQ C7203U C7103U 31 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 35: ...18 EXPLODED VIEW CD PLAYER 35 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 36: ...19 WIRING DIAGRAM 19 1 Display Block 36 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 37: ...19 2 Main Sub Block Top View CQ C7403U C7303U 37 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 39: ...19 4 Main Block Top View CQ C7203U C7103U 39 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 40: ...19 5 Main Block Bottom View CQ C7203U C7103U 40 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 41: ...19 6 CD Servo Block Top View 41 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 42: ...19 7 CD Servo Block Bottom View 42 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 43: ...20 SCHEMATIC DIAGRAM 1 20 1 Sub Block CQ C7403U 43 CQ C7403U CQ C7303U CQ C7203U CQ C7103U ...
Page 44: ...THIS PAGE IS JUST FOR THE PAGE LAYOUT USE ONLY ...
Page 46: ...21 2 Main 2 Block CQ C7403U C7303U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 46 ...
Page 47: ...21 3 Main Block CQ C7203U C7103U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 47 ...
Page 48: ...21 4 Display Block CQ C7403U C7303U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 48 ...
Page 49: ...21 5 Display Block CQ C7203U C7103U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 49 ...
Page 52: ...22 2 Main 2 Block CQ C7403U C7303U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 52 ...
Page 53: ...22 3 Display Block CQ C7403U C7303U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 53 ...
Page 54: ...22 4 Main 1 Block CQ C7203U C7103U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 54 ...
Page 55: ...22 5 Main 2 Display Block CQ C7203U C7103U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 55 ...
Page 56: ...22 6 CD Servo Block CQ C7403U CQ C7303U CQ C7203U CQ C7103U 56 ...
Page 58: ...C0JBAA000372 CQ C7403U CQ C7303U CQ C7203U CQ C7103U 45 ...
Page 59: ...21 2 Main 2 Block CQ C7403U C7303U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 46 ...
Page 60: ...46 ...
Page 61: ...21 3 Main Block CQ C7203U C7103U C0JBAA000372 C0JBAA000372 B0BC3R0A0058 47 ...
Page 62: ...CQ C7203U CQ C7203U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 47 ...
Page 63: ...21 4 Display Block CQ C7403U C7303U CQ C7403U CQ C7303U CQ C7203U CQ C7103U 48 ...
Page 64: ...48 ...
Page 65: ...21 5 Display Block CQ C7203U C7103U 49 ...
