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CQ-C5403U / CQ-C5303U
10 TERMINALS DESCRIPTION
10.1. Main Block
IC601 : YESAM335
Pin
Port
No.
1
BATT DET Battery voltage detection
2
AMP MUTE Amp mute control
3
STBY
Power IC stundby control
4
FP
Panel motor control 1
MOTOR1
5
FP
Panel motor control 2
MOTOR2
6
PANEL IN
Panel detection
7
INV CNT
Illumination control
8
LCD CE
LCD chip enable
9
DISP CNT
Display 5V control
10 RESET
Reset
11 XT2
Crystal oscillator
12 XT1
Crystal oscillator
13 FLMD0
(NC)
14 X2
Crystal oscillator
15 X1
Crystal oscillator
16 REGC
(Regulator capacitor)
17 VSS
Ground
18 EVSS
Ground
19 VDD
+5V power supply
20 EVDD
+5V power supply
21 ROTARY 2 Rotary encoder input 2
22 ROTARY 1 Rotary encoder input 1
23 OP/ PANEL
Panel open detect
OPEN
24 PANEL
Panel close detect
CLOSE
25 ILL CNT
Illumination control
26 S LED
LED control
27 (NC)
28 (NC)
29 IP CNT
System upgrade ACC
control
30 PLL DO
PLL data
31 PLL CLK
PLL data clock
32 PLL DI
PLL data
33 PLL CE
PLL chip select
34 ST
Radio station detect
35 INI A
Mode setting A
36 INI B
Mode setting B
37 INI C
Mode setting C
38 RM IN
Remote control data
39 (NC)
40 MAIN CNT Main power control
41 (NC)
42 CD STB
CD strobe
43 CD SW1
CD mechanism SW1
44 CD SW2
CD mechanism SW2
45 CD A0
CD mute
46 CHSTB /
CD changer strobe /
SYSID4
System upgrade ID4
47 CD RST
CD reset
48 EVENT
System upgrade EVENT
49 (NC)
50 UART-TX
UART serial data
51 UART-RX
UART serial data
52 CD SI
CD data input
53 CD SO
CD data output
54 CD SCK
CD clock
Description
I/O
FM
I
1.9
O
4.8
O
4.8
O
4.7
O
4.7
I
4.8
O
4.8
O
0
O
0
I
4.8
-
2.5
-
2.1
-
-
-
-
2.4
-
2.3
-
2.5
-
0
-
0
-
4.8
-
4.8
I
4.8
I
4.8
I
4.9
I
4.9
O
4.8
O
4.8
-
-
-
-
-
-
O
0
I
4.9
O
4.8
O
0
O
0
I
4.8
I
0
I
0
I
0
I
4.7
-
-
-
O
4.8
-
-
-
I
4.8
I
4.8
I
4.8
I
0
I
0
O
4.8
I
0
-
-
-
O
0
I
0
O
0
I
0
O
4.7
Pin
Port
No.
55 SCL
56 SDA
(V)
57 SA CLK
AM
CD
58 BEEP
1.9
1.9
59 AVREF
4.8
4.8
60 AVSS
4.8
4.8
61 VSM
4.7
4.7
62 A IN
63 ACC
4.7
4.7
64 (NC)
65 (NC)
4.8
4.8
66 TRUBASS
4.8
4.8
0
0
67 SW MUTE
0
0
68 AF MUTE
4.8
4.8
69 HUB CNT
2.5
2.5
70 CH CLK /
1.8
2
SYSID3
-
-
71 CH DATA
72 SYSID 1
2.4
2.4
73 CH REM
2.3
2.3
74 SYSID 2
2.5
2.5
75 AMP CNT
0
0
76 LCD DI
0
0
77 LCD DO
4.8
4.8
78 LCD CLK
4.8
4.8
79 ANT CNT
4.8
4.8
80 EXT.MUTE External mute
4.8
4.8
4.9
4.9
10.2. Display Block
4.9
4.9
IC901 : YEAMLC75884W
4.8
4.8
4.8
4.8
Pin No.
Port
-
-
1-51
SEG2-40
-
-
52-55 COM1-4
0
0
56,57
SEG39,38
58-61 KS3-6
4.9
4.9
62-66 Kl1-5
4.8
4.8
67
VDD
0
0
68
VLCD
0
0
69
VLCD1
4.8
4.8
70
VLCD2
0
0
71
VSS
0
0
72
TEST
0
0
73
OSC
4.7
4.7
74
RESET
-
-
75
DO
4.8
4.8
76
CE
-
-
77
CLK
4.8
3.3
78
DI
4.8
4.8
79
P1 (NC)
4.8
4.9
80
SEG1
0
4.9
0
4.8
4.8
4.8
0
0
-
-
0
0
1.4
1.2
0
0
0
0.8
4.7
4.7
8
Description
I/O
Audio control serial clock
O
Audio control data
O
Audio control clock
O
Beep sound output
O
(Conecting to +5V)
-
Ground
-
Radio signal strength
I
Audio level meter signal
I
ACC detection
I
-
-
-
-
True Bass function
O
control
Sub woofer mute control
O
AF mute control
O
HUB control signal
O
CD changer clock /
I
System upgrade ID3
CD changer data
I
System upgrade ID1
I
CD changer remote
O
System upgrade ID2
I
Amp power control
O
LCD data
O
LCD data
I
LCD Clock
O
Antenna power control
O
O
Description
LCD segment data
LCD common
Not used
Key scan
Key data
+5V power supply
VLCD terminal
VLCD1 terminal
VLCD2 terminal
Ground
(Connecting to ground)
Oscillator terminal
Reset
Key data output
LCD driver chip enable
LCD clock
LCD data
-
LCD segment data
(V)
FM
AM
CD
4.8
4.8
4.8
4.8
4.8
4.8
4.7
4.7
4.7
0
0
0
4.8
4.8
4.8
0
0
0
0
0
0
0
0
0
4.9
4.9
4.9
-
-
-
-
-
-
0
0
0
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
4.8
0
0
0
0
0
0
4.8
4.8
4.8
0.9
1.2
0
4.8
4.8
4.8
4.8
4.8
4.8
4.6
4.6
4.6
4.8
4.8
4.8
4.7
4.7
4.7
4.8
4.8
0
4.8
4.8
4.9
I/O
(V)
O
2.4
O
2.4
-
-
O
4.8
I
0
-
4.8
-
4.8
-
3.2
-
1.6
-
0
-
0
-
3.4
I
4.8
O
4.8
I
0
I
4.6
I
4.6
-
-
O
2.4
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