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6 TERMINALS DESCRIPTION
6.1.
Main Block
IC601 : C2BBGE000295
Pin
Port
No.
1
LCD-CL
Clock for LCD data
2
LCD-DI
LCD data
3
NC
No connection
4
GND
Ground
5
NC
No connection
6
NC
No connection
7
VDD
+5V power supply
8
NC
No connection
9
AUX IN
CD disc detection
10
CD STOP
CD stop
11
CD ON
CD power on
12
NC
No connection
13
M1-B
Tape main motor control
14
M1-A
Tape main motor control
15,
-
(Connecting tp ground)
16
17
SEEK UP
Not used
18
SEEK DWN
not used
19
NC
No connection
20
AMP ON
Ext. amp control
21
LATH
Data latch
22
A/B
Tape FF/REW switch
23
/MTL
Metal tape mode
24
DATA
Data for system power IC
25
CLK
Clock for system power IC
26
STBY
System power IC stand-by
27
/MS
TPS no sound detection
28
MS PL/FF
MS mode selection
29
T.LOAD
Tape loading detection
30
/DOLBY
Dolby control
31
CAM-A/B
Tape side detection
32
/T.IN
Tape insert detection
33
GND
Ground
34
TE2
Tape end detection
35
TE1
Tape end detection
36,
DIV1,2
Not used
37
38
/M2F
Tape solenoid control
39
NC
No connection
40
MSM
MS gain control
41
/EQ
Metal tape detection
42
BIT3
Tape moe SW
43
BIT2
Tape mode SW
44
BIT1
Tape mode SW
45
MUTE
Mute
46
BEEP
Beep output
47
VOL DAT
Data for electronic vol.
48
VOL CLK
Clock for electronic vol.
49
NC
No connection
50
TEST
(+5V pull-up)
51
DIV SW
Not used
52
PLL.DO
PLL data
53
PLL.CLK
PLL clock
54
PLL.DI
PLL data
55
PLL.CE
PLL chip enabling
56,
NC
No connection
57
58
ST
FM stereo detection
59
SD
B/S detection
60
/RESET
System reset
61
/ILL-DET
illumi. on detection
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Description
I/O
(V)
O
0
O
0
-
-
-
0
-
-
-
-
-
5.0
-
-
I
0
O
0
O
0
-
-
O
0
O
0
-
0
-
-
-
-
-
-
O
3.8
O
5.0
I
0
O
5.0
O
0
O
0
O
5.0
I
0
O
0
I
0
O
0
I
5.0
I
0
-
0
I
1.8
I
2.2
-
-
O
0.5
-
-
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
-
-
I
0
I
0
I
4.5
I
3.5
62
+B-DET
Battery level detection
63
ACC-DET
ACC level detection
64
/T.EJECT
Tape eject
65
AN NK
AM noise cancellation
66
MODE B
Encoder data input
67
MODE A
Encoder data input
68
VDD
+5V power supply
69
X1
Crystal oscillatorv terminal
70
X2
Crystal oscillatorv terminal
71
GND
Ground
72
XT2
Crystal oscillatorv terminal
73
XT1+
Crystal oscillatorv terminal
74
AVDD
+5V power supply
75
ACC 5V
+5V power supply
76
VSM
Radio signal level detection
77
MAIN-VOL
Main volume level
78
AMSMTA
AM radio signal level detection
79
LCD-DO
LCD data
80
LCD-CE
LCD driver enabling
6.2.
Display Block
IC601 : YEAMLC75853
Pin
Port
No.
1-20 SEG1-20
LCD segment data
21-33 -
Not used
34-40 SEG34-40
LCD segment data
41-43 COM1-3
LCD common output
44
S41
Not used
45-49 KS1-6
Key scan signal
50
KI1
Not used
51-54 KI2-5
Key data input
55
TEST
(Connecting to ground)
56
VDD
+5V power supply
57
VDD1
Ground through capacitor
58
VDD2
Ground through capacitor
59
VSS
Ground
60
OSC
CR oscillator
61
DO
key data output
62
CE
Chip enable
63
CLK
LCD clock
64
DI
LCD data input
5
CQ-DT6930ZE
I
4.5
I
4.5
I
3.4
O
3.4
I
0
I
0
-
4.9
-
2.4
-
0.6
-
0
-
2.6
-
2.3
-
5.0
-
5.0
I
0
I
0
I
0
I
4.9
O
0
Description
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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