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CQ-TS7420K
6 TERMINALS DESCRIPTION
6.1.
Main Block
IC601 : C2CBKH000090
Pin
Port
No.
1
BEEP
2
NC
No connection
3
NC
No connection
4
SW3-5
CD Mute
5
NC
No connection
6
CD-ON
CD.C controller enable
7
CD-RESET
CD.C reset
8
CD-SCKM
CD.C shift clock
9
CD-SOM
CD serial data input
10 CD-SIM
CD serial data output
11 RESET
Reset
12 XT2(NC)
No connection
13 XT1
Ground
14 GND
Ground
15 X2
Crystal oscillator
terminal
16 X1
Crystal oscillator
terminal
17 REGOFF
Ground
18 REGCPU
Capacitor terminal
19 VDD0
+5V power supply
20 NC
No connection
21 GREEN
Green LED
22 RED
Red LED
23 NC
No connection
24 MODE
Ground
25 NC
No connection
26 LOAD
Loading Detection
27 MODE-A
Mode encoder data
28 MODE-B
Mode encoder data
29 VOL-A
Volume encoder data
30 VOL-B
Volume encoder data
31 NC
No connection
32 AUDIO-CK
Audio clock
33 AUDIO-INH Audio enable
34 LCD-SCK
LCD serial clock
35 LCD-DATA
LCD serial data
36 LCD-STB
LCD CE data
37 LCD-REQ
LCD data
38 NC
No connection
39 LCD-RESET LCD Reset
40 GND
Ground
41 VDD
+5V power supply
42
-
43 STBY
Stand-by
44 CCB-DI
CCB Data input
45 CCB-DO
CCB Data output
46 CCB-CL
CCB serial clock
47 CCB-CE
CCB chip enable
48 CCB-RS
CCB RS
49 CCB-BU
CCB bus
50 CCB-CNT
CCB control
51 NC
No connection
52 MP
53 SD
SD signal
54 PLL-SDA
PLL serial data
55 PLL-SCL
PLL serial clock
56 ST
FM stereo detection
57 NC
No connection
58 NK ON/OFF AM noise cancellor on/off
59 NC
No connection
60 TEL MUTE
TEL Mute
61 MUTE
Mute
62 NC
No connection
63 NC
No connection
64 NC
No connection
65 RDS CL
RDS clock
66 RDS DATA
RDS data
Descriptions
I/O
FM
-
O
0
-
-
-
-
I/O 4.8 4.9
-
-
O
0
O
4.9 5.0 5.0
O
0
I
4.9 4.9 1.5
O
4.9 4.9 4.9
I
4.9 4.9 5.0
-
3.6 3.6 3.6
I
0
-
0
-
1.8 1.8 1.8
I
1.5 1.5 1.5
-
0
-
3.6 3.6 3.6
-
4.9 5.0 5.0
-
-
-
0
-
0
-
-
I
4.9 4.9 5.0
-
-
-
4.9 4.9 4.9
O
4.9 4.9 4.9
O
4.9 4.9 4.9
O
4.9 4.9 4.9
O
4.9 4.9 4.9
-
-
O
1.5 1.5 1.5
O
4.9 5.0 4.9
O
0
I
4.8 4.9 4.8
O
0
O
0
-
-
O
0
-
0
-
4.9 5.0 5.0
-
-
-
I
4.9 5.0 5.0
I
4.8 5.0 4.9
O
0.5 0.5 0.5
I
4.8 5.0 4.9
I
0
O
4.9 5.0 5.0
I
0.5 0.5 0.5
I
4.9
-
-
-
O
4.9 4.9 4.8
I
4.9 4.9 4.8
I/O 4.9 4.9 4.9
O
4.9 5.0 5.0
I
4.9 4.9 4.8
-
-
-
4.8
-
-
-
4.9 4.9 4.9
-
0
-
-
-
-
-
-
O
2.4 2.4 2.4
I
2.7 2.7 2.5
Pin
Port
No.
67 NC
68 RDS MUTE
(V)
69 NC
AM
CD
70 NC
0
0
71 NC
-
-
72 NC
-
-
73 TEST(FLAS
0
H VPP)
-
-
74 ACC-IN
0
4.9
75 VCONT
(VSM)
0
4.9
76 MP
77 NOISE
78 NC
79 NC
80 NC
0
0
81 NC
0
0
82 VDD
83 AVDD
84 GND
(AVSS)
85 LAN IN
0
0
86 LAN OUT
87 GND
88 CD EJ
-
-
89 NC
0
0
90 PACK(SW)
0
0
91 +B-DET
-
-
92 ACC-DET
93 RESET 4.2
-
-
94 TSO(SUBC) CD text serial data input
95 SO
96 TSI
97 TCK(SBCK) CD text serial clock
98 TSTB
99 NC
-
-
100 NC
0
0
0
0
0
0
-
-
0
0
0
0
-
-
0
0
0
0
-
-
-
-
0
0
-
-
0
0
-
-
-
-
-
-
6
Descriptions
No connection
RDS Mute
No connection
No connection
No connection
No connection
(Ground pull-down)
Temperature sensor
Field intensity detection
-
FM noise detection
No connection
No connection
No connection
No connection
+5V power supply
+5V power supply
Ground
LAN data input
LAN data output
Ground
CD Eject
No connection
-
Battery detection
ACC detection
-
Serial data output
CD text serial data output
CD text TSTB No
No connection
No connection
I/O
(V)
FM
AM
CD
-
-
-
-
O
5.0 5.0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
-
0
1.4
0
I
0.6 1.1 0.6
I
0
0
0
I
1.4
0
1.4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5.0 5.0 5.0
-
4.9 4.9 4.9
-
0
0
0
I
0
0
0
O
0
0
0
-
0
0
0
I
4.9 4.9 4.9
-
-
-
-
I
4.9 4.9
0
I
4.9 4.9 4.9
I
4.9 4.9 4.9
I
4.9 4.9 4.9
I
0
0
0
O
0
0
0
O
0
0
0
O
0
0
0
I
0
0
0
-
-
-
-
-
-
-
-
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