CQ-ET8060A - Panasonic Car Audio Service Manual (repair manual). Page 9

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10.1. Main Block
IC601 : C2BBGF000184
Pin
No.
Port
Description
I/O
(V)
1
EQ
Metal tape detection
I
0
2
NC
(Ground pull-down)
-
0
3
CD-SOM
CD changer serial data
I
4.3
4
CD-SIM
CD changer serial data
O
1.3
5
CD-SCKM
Clock for serial data
O
5.0
6
NC
(Connecting to ground)
-
0
7
STBY
Voltage generator stand-by
O
5.0
8
LATCH
Voltage generator data latch
O
5.0
9
DATA
Voltage generator data
O
0
10
CLK
Voltage generator clock
O
0
11
RIN
Tape motor control
O
0
12
FIN
Tape motor control
O
0
13
-
No connection
-
-
14
ST
FM stereo detection
I
0.3
15
SSC
Seach stop clear
O
0
16
SD
B/S detection
I
0.2
17
CD5V
CD 5V power on/off
O
4.8
18
NC
Not used
-
-
19
LCD-DI
LCD data
O
0
20
LCD-CLK
LCD clock
O
0
21
LCD-CE
LCD chip enable
O
0
22
LCD-DO
LCD data
I
4.9
23
VCONT
AM/FM level detection
I
0.3
24
ACC-DET
ACC level detection
I
1.9
25
+B-DET
Battery level detection
I
1.7
26
REO-IN
Illumi.(-) detection
I
0
27
VDD
+5V power supply
-
5.0
28
(GND)
(Connecting to ground)
-
0
29,30 VOL B, A
Voltage signal (Rotary encoder)
I
4.9
31
(GND)
(Connecting to ground)
-
0
32
AVSS
Ground
-
0
33
REG CPU
Voltage regurator terminal
-
3.4
34
VDD 0
+5V power supply
-
5.0
35
REG OSC
(Connecting to VDD)
-
5.0
36
X2
Crystal oscillator
-
2.2
37
X1
Crystal oscillator
-
1.6
38
GND0
Ground
-
0
39
NC
No connection
-
-
40
GND2
Ground
-
0
41
AMIF
AM IF input
I
1.8
42
FMIF
FM IF input
I
2.0
43
VDDPLL
+5V power supply
-
4.9
44
FMOSC
FM local oscillator
I
2.2
45
AMOSC
AM local oscillator
I
1.3
46
GNDPLL
Ground
-
0
47
EOO
PLL phase-comp. error
O
1.6
48
NC
No connection
-
-
49
IC
(Connecting to ground)
-
0
50
RESET
Reset input
I
4.3
51
CD.EJ
CD eject SW
I
5.0
52
TAPE.EJ
Tape eject SW
I
5.0
53
RESMON
Reset output (VDD=4.5V)
O
5.0
54
CD MUTE
CD mute
O
0
55,56 MODE B, A
Mode SW (Rotary encoder)
I
0
57
TEST
Not used
-
-
58
ILL-DET
Illumi. power detection
I
0
59
BEEP
Beep output
O
0
60
PWR
(Connecting to ground)
-
0
61
PWM ILL
Illumi. power control
O
7.0
62
PWM LCD
LCD power control
O
7.0
63
DIV.SUB
FM diversity sub. ANT.
O
7.8
64
DIV.MAIN
FM diversity main ANT.
O
0
65
M2F
Tape motor control
O
0.3
66
BLINK
LED blink control
O
0
67-70 NC
No connection
-
-
71
DIV ON/OFF
FM diversity control
O
4.9
72
NC
No connection
-
-
73
D.IN
LAN data
O
0
74
D.OUT
LAN data
I
0
75
MS-PL/FF
MS mode selection
O
0
76
A/B
Tape forward-reverse SW
I
0
77
MTL
Metal tape mode on/off
O
5.0
78
DOLBY
Dolby control
O
5.0
79
MSOUT
TPS detection
I
0.6
80
INTERS
Reset input (VDD=4.5V)
I
5.0
81
MSM
MS gain control
O
0
82
GND1
Ground
-
0
83
T.LOAD
Tape loading detection
I
0
84
T.IN
Tape detection
I
0
85
CAM A/B
Tape side detection
I
0
86
NC
No connection
-
-
87
CD-RESET
CD changer reset
O
4.9
88
STAT/STP
CD changer start/stop
O
5.0
89,90 NC
No connection
-
-
91
VOL-CLK
Clock for electronic volume
O
0
92
VOL-DATA
Data for elelctronic volume
O
0
93
MUTE
Mute output
O
0
94
END-A
Tape end detection
I
2.8
95
END-B
Tape end detection
I
2.5
96
BIT3
Tape mode SW
I
0
97,98 BIT1, 2
Tape mode SW
I
4.9
99
VDDPORT
+5V power supply
-
5.0
100
GNDPORT
Ground
-
0
10.2. Display Block
IC601 : YEAMLC75853W
Pin
No.
Port
Description
I/O
(V)
1-39 SEG1?39
LCD segment output
O
2.5
40
SEG40
Not used
-
-
41-43 COM1-3
LCD common output
O
2.5
44-49 KS1-6
Key scan signal
O
0.9
50
KI1
(Connecting to ground)
-
0
51-54 KI2-5
Key data input
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5.1
57
VDD1
Ground through capacitor
-
3.3
58
VDD2
Ground through capacitor
-
1.7
59
VSS
Ground
-
0
60
OSC
CR oscillator
-
3.9
61
DO
key data output
O
4.4
62
CE
Chip enable
I
0
63
CLK
LCD clock
I
0
64
DI
LCD data input
I
0
10.3. CD Servo Block
IC201 : MN662783RPW
Pin
No.
Port
Description
I/O
(V)
1
VDD
+5V power supply
-
5.0
2
D0
D-RAM data
I/O
2.3
3
D1
D-RAM data
I/O
1.8
4
/WE
D-RAM data write
O
4.9
10 TERMINALS DESCRIPTION
9
CQ-ET8060A
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