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CQ-LS7230K
6 TERMINALS DESCRIPTION
6.1.
Main Block
IC601 : C2BBGE000647
Pin
Port
No.
1
LCD-CL
2
LCD-DI
3
SEC TIME
4
GND
5
LCD.ON
6
ILL.ON
7
VDD
8
SEC ON
9~12
-
13
M1-B
14
M1-A
15
-
16
-
17
POM SO
18
ROM SI
19
ROM CS
20
ROM CSK
21
LATH
22
A/B
23
/MTL
24
DATA
25
CLK
26
STBY
27
/MS
28
MS PL/FF
29
T.LOAD
30
/DOLBY
31
CAM-A/B
32
/T.IN
33
GND
34
TE2
35
TE1
36, 37 DIV1,2
38
/M2F
39
SEC LED
40
MSM
41
/EQ
42
BIT3
43
BIT2
44
BIT1
45
MUTE
46
BEEP
47
VOL DAT
48
VOL CLK
49
NC
50
TEST
51
MAIN
52
PLL.DO
53
PLL.CLK
54
PLL.DI
55
PLL.CE
56
LAN-OUT
57
LAN-IN
58
ST
59
SD
60
/RESET
61
/ILL-DET
62
+B-DET
63
ACC-DET
64
/T.EJECT
Description
Clock for LCD data
LCD data
No connection
Ground
Not used
Not used
+5V power supply
Not used
Not used
Tape main motor control
Tape main motor control
(Connecting tp ground)
(Connecting tp ground)
Not used
Not used
Not used
Not used
Data latch
Tape FF/REW switch
Metal tape mode
Data for system power IC
Clock for system power IC
System power IC stand-by
TPS no sound detection
MS mode selection
Tape loading detection
Dolby control
Tape side detection
Tape insert detection
Ground
Tape end detection
Tape end detection
Not used
Tape solenoid control
Not used
MS gain control
Metal tape detection
Tape moe SW
Tape mode SW
Tape mode SW
Mute output
Beep output
Data for electronic vol.
Clock for electronic vol.
No connection
(+5V pull-up)
Not used
PLL data
PLL clock
PLL data
PLL chip enabling
LAN data
LAN data
FM stereo detection
B/S detection
System reset
illumi. on detection
Battery level detection
ACC level detection
Tape eject
65
AN NK
66
MODE B
67
MODE A
68
VDD
I/O
(V)
69
X1
70
X2
O
0
71
GND
O
0
72
XT2
-
-
73
XT1
-
0
74
AVDD
-
-
75
ACC 5V
-
-
76
VSM
-
5
77
MAIN-VOL
-
-
78
REO.IN
-
-
79
LCD-DO
O
0
80
LCD-CE
O
0
-
0
6.2.
Display Block
-
0
-
-
IC601 : YEAMLC75853
-
-
-
-
Pin
Port
-
-
No.
O
5
1-20 SEG1-20
I
0
21-28
O
5
29-40 SEG29-40
O
0
41-43 COM1-3
O
0
44
S41
O
5
45-49 KS1-6
I
0
50
KI1
O
0
51-54 KI2-5
I
0
55
TEST
O
0
56
VDD
I
5
57
VDD1
I
0
58
VDD2
-
0
59
VSS
I
1.8
60
OSC
I
2.2
61
DO
-
-
62
CE
O
0.5
63
CLK
-
-
64
DI
O
0
I
0
I
0
I
4.9
I
4.9
O
0
O
0
O
0
O
0
-
-
-
4.2
-
-
I
4.9
O
0
O
0
O
0
O
0
I
0.2
I
0
I
0
I
3.5
I
3.5
I
3.2
I
3.4
I
3.4
6
Not used
Not used
Not used
+5V power supply
Crystal oscillatorv terminal
Crystal oscillatorv terminal
Ground
Not used
Not used
+5V power supply
+5V power supply
Not used
Main volume level
(Ground pull-down)
LCD data
LCD driver enabling
Description
LCD segment data
-
Not used
LCD segment data
LCD common output
Not used
Key scan signal
Not used
Key data input
(Connecting to ground)
+5V power supply
Ground through capacitor
Ground through capacitor
Ground
CR oscillator
key data output
Chip enable
LCD clock
LCD data input
-
-
-
-
-
-
-
4.9
-
2.4
-
0.6
-
0
-
-
-
-
-
5
-
5
-
-
I
0
-
0
I
4.9
O
0
I/O
(V)
O
2.6
-
-
O
2.6
O
2.6
-
-
O
5.2
-
-
I
0
-
0
-
5.2
-
3.5
-
1.8
-
0
-
4.1
O
5.2
I
0
I
0
I
0
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