CQ-ES0200K - Panasonic Car Audio Service Manual (repair manual). Page 8

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7.1. Main Block
IC601 : C2CBKH000049
Pin
No.
Port
Descriptions
I/O
Vol
(V)
1
BEEP
Beep output
O
0
2
BIT3
Tape mode switch
I
0
3
BIT2
Tape mode switch
I
0
4
BIT1
Tape mode switch
I
0
5
FAN-ON
Fan drive control
O
5.0
6
CD-ON
CD.C controller enable
O
4.9
7
CD-RESET
CD.C reset
O
5.0
8
CD-SCKM
CD.C shift clock
O
4.9
9
CD-SOM
CD serial data input
I
0
10
CD-SIM
CD serial data output
O
0
11
RESET (FLASH
RESET)
Reset
I
4.9
12
NC
No connection
-
-
13
GND
Ground
-
0
14
GND
Ground
-
0
15
X2
Crystal oscillator terminal
O
1.9
16
X1
Crystal oscillator terminal
I
1.6
17
REGOFF
-
0
18
REGCPU
-
3.6
19
VDD0
+5V power supply
-
5.0
20
NC
No connection
-
-
21
NC
No connection
-
-
22
NC
No connection
-
-
23
TEL-MUTE
(+5V pull-up)
-
0
24
NC
No connection
-
-
25
NC
No connection
-
-
26
DSP-CNT
DSP control
O
5.0
27
DSP-BUSY
DSP busy
I
0.5
28
DSP-RSTB
DSP reset
O
5.0
29
DSP-CE
DSP chip enable
O
1.2
30
DSP-CL
DSP serial clock
O
5.0
31
DSP-DO
DSP serial data output
I
0.5
32
DSP-DI
DSP serial data input
O
5.0
33
PWSTBY
Power amp. stand-by
O
5.0
34
LCD-SCK
(LCD-CLK)
LCD serial clock
O
0
35
LCD-DATA
(LCD-DO)
LCD serial data
I/O
4.9
36
LCD-STB
(LCD-CE)
LCD strobe
O
0
37
LCD-KEY.REQ
(LCD-DI)
LCD key request
O
0
38
LCD-OFF
LCD-off signal
O
5.0
39
LCD-RESET
LCD reset
O
5.0
40
GND (FLASH
VSS)
Ground
-
0
41
VDD (FLASH
VDD)
+5V power supply
-
5.0
42
CD-EJ
CD eject switch
I
4.9
43
MD-EJ (CST-
EJ)
Cassette tape eject switch
I
4.9
44
MODE-A
Rotary encoder data
I
4.9
45
MODE-B
Rotary encoder data
I
4.9
46
VOL-A
Rotary encoder data
I
0.2
47
VOL-B
Rotary encoder data
I
0.2
48
NC
No connection
-
-
49
MD/CST
MD/CST selection
I
0
50
NC
No connection
-
-
51
AMNK ON/OFF
Not used
O
5.0
52
MUTE
Audio mute
O
0
53
SD
SD signal
I
4.9
54
PLL-SCL
PLL serial clock
O
5.0
55
PLL-SDA
PLL serial data
I/O
4.9
56
ST
FM stereo detection
I
4.9
57
MSOUT
Tape MS detection
I
4.8
58
NC
No connection
-
-
59
R-IN2
Tape motor drive rear
O
0
60
F-IN1
Tape motor drive front
O
0
61
MS-PL/FF
MS mode selection
O
0
Pin
No.
Port
Descriptions
I/O
Vol
(V)
62
DOLBY
Dolby NR on/off
O
0
63
EQ
Metal tape mode detection
I
0
64
NC (TSTB)
No connection
-
-
65
TCK (SBCK)
CD.C serial clock
O
0
66
TSO (SUBC)
CD.C serial data output
I
4.9
67
NC (TSI)
CD.C serial data input
O
-
68
NC
No connection
-
-
69
T-LOAD
Tape loading detection
I
4.9
70
F/R
Tape head change
O
0
71
NC
No connection
-
-
72
NC
No connection
-
-
73
TEST (FLASH
VPP)
(Ground pull-down)
-
0
74
NC
No connection
-
-
75
VCONT (VSM)
Phase diff. level detection
I
0.7
76
S-METER
(Connecting to ground)
I
0
77
NC
No connection
-
-
78
ST-SW1
Steering SW 1
I
4.9
79
ST-SW2
Steering SW 2
I
4.9
80
MTL
Metal tape mode selection
O
0
81
MSM
MS gain control
O
0
82
VDD
+5V power supply
-
5.0
83
AVDD
+5V power supply
-
4.9
84
GND (AVSS)
Ground
-
0
85
LANIN
LAN data input
I
0
86
LANOUT
LAN data output
O
0
87
GND
Ground
-
O
88
CAM A/B
Tape side detection
I
5.0
89
ILL-DET
Illumination detection
I
4.9
90
PACK (DQSY)
CD.C clock
I
4.9
91
+B-DET
Battery detection
I
4.9
92
ACC-DET
ACC detection
I
0
93
EJ-OR
Multi-eject detection
I
4.9
94
MD-SDM
Not used
-
0
95
FLASH SO
Not used
-
0
96
DLASH SI
(Ground pull-down)
-
0
97
MO-SCKM
(FLASH CLK)
Not used
-
0
98
MD-SIM (T-
IN)
Tape-in detection
I
4.9
99
MD-RST (END-
B)
Tape end signal
I
0
100
MD-ON (END-
A)
Tape end signal
I
0
7 TERMINALS DESCRIPTION
8
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