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