Panasonic CQ-TS7170L Service Manual ▷ View online
5 WIRING CONNECTION
4
CQ-TS7170L
6 BLOCK DIAGRAM
6.1. Main Block
5
CQ-TS7170L
6.2. CD Servo Block
6
CQ-TS7170L
7.1. Main Block
IC601 : C2CBKH000027
Pin
No.
No.
Port
Descriptions
I/O
FM
(V)
AM
(V)
TP
(V)
1
BEEP
Beep out
O
0
0
0
2
LCD CS1
LCD driver chip setect
O
0
0
0
3
LCD CS2
LCD driver chip setect
O
5.3
5.3
5.3
4
LCD RST
LCD driver reset
O
5.3
5.3
5.3
5
LCD A0
LCD command/data
O
0
0.5
0
6
CD CLK
CD data shift clock
O
5.3
5.3
5.3
7
CD SOM
CD data
I
0
0
3.5
8
LCD SCL
LCD data shift clock
O
50.
4.9
5.0
9
CD SIM
CD data
O
0
0
3.6
10
LCD SI
LCD serial data
O
5.3
5.3
5.3
11
RESET
System reset
I
5.3
5.3
5.3
12
XT2
Crystal oscillator
-
1.8
1.8
1.8
13
XT1
Crystal oscillator
-
1.3
1.3
1.3
14
GND
Ground
-
0
0
0
15
X2
Crystal oscillator
-
1.5
1.5
1.5
16
X1
Crystal oscillator
-
1.4
1.4
1.4
17
REG OFF
(Connecting to ground)
-
0
0
0
18
REG CPU
Bypass
capacitor
terminal
-
3.5
3.5
3.5
19
VDD0
+5V power supply
-
5.1
5.3
5.3
20
KR0
Key matrix data return
I
4.3
1.0
1.0
21
KR2
Key matrix data return
I
0
0
1.0
22
KR4
Key matrix data return
I
4.2
1.0
0
23
KS1
Key matrix strobe
O
0
1.0
1.0
24
KS3
Key matrix strobe
O
0
1.0
1.0
25
VOL A
Rotary encoder signal
I
0
5.2
5.2
26
PWR
Power switch
I
5.1
5.2
5.2
27
VOL B
Rotary encoder signal
I
0
5.2
5.2
28
KS4
Key matrix strobe
O
5.1
1.2
1.2
29
KS2
Key matrix strobe
O
0
1.2
1.2
30
KS0
Key matrix strobe
O
0
1.2
1.2
31
KR3
Key matrix data return
I
0
0
0
32
KR1
Key matrix data return
I
0
0
1.0
33
MODE A
Rotary encoder signal
I
5.2
5.2
5.2
34
MODE B
Rotary encoder signal
I
0
0
0
35
CD PON
CD power on/off
O
5.3
5.3
5.3
36
ILL-DET
Illumi.+ detection
I
0
0
0
37
BL-P
LCD back light on/off
O
5.3
5.3
5.3
38
ILL ON
Illumi. power on/off
O
5.3
5.3
5.3
39
AMP ON
Amp poqwer on/off
O
5.3
5.3
5.3
40
GND
Ground
-
0
0
0
41
VDD
+5V power supply
-
5.3
5.3
5.3
42
R ON
Radio power on/off
O
5.3
5.3
5.3
43
ACC ON
ACC5V power on/off
O
5.3
5.3
5.3
44
MUTE
Mute output
O
0
0
0
45
VOL DATA
Electronic volume data
O
0
0
0
46
VOL CLK
Data
shift
clock
for
Electronic volume
O
0
0
0
47
FAN
Not used
-
-
-
-
48
+B-DET
Battery level detection
I
5.3
5.3
5.3
49
SW1
Disc in switch
I
0
0
4.8
50
SW3
Disc out switch
I
0
0
4.9
51
CD RST
CD reset
O
5.3
5.3
5.3
52
CD ON
CD control CPU start
O
0
0
5.3
53
EQ
Not used
-
-
-
-
54
BIT3
Not used
-
-
-
-
55
BIT2
Not used
-
-
-
-
56
BIT1
Not used
-
-
-
-
57
V5
Engine type signal
I
0
0
0
58
V4
Engine type signal
I
0
0
0
59
V3
Engine type signal
I
0
0
0
60
V1
Engine type signal
I
0
0
0
61
V2
Engine type signal
I
0
0
0
62
BRIGHT
Not used
-
-
-
-
63
RDS MUTE
RDS mute
O
5.3
5.3
0
64
HBRQ
HIT64 bus request
O
0
0
0
65
HIT-DE
HIT64 data enable
O
2.0
1.7
1.7
Pin
No.
No.
Port
Descriptions
I/O
FM
(V)
AM
(V)
TP
(V)
66
HIT-SIN
HIT64 data
I
0
4.7
4.7
67
HIT-SOUT
HIT64 data
O
5.3
5.3
5.3
68
IF CONT
Not used
-
-
-
-
69
AM/FM
Radio power control
O
5.3
0
5.3
70
RMODE
Radio mute
O
0
5.3
0
71
NC
No connection
-
-
-
-
72
NC
No connection
-
-
-
-
73
VPP
(Connecting to ground)
-
0
0
0
74
IG
Ignition voltage
I
0
0
0
75
FUEL
Not used
-
-
-
-
76
TEMP
Open air temperature
I
0
5.3
5.3
77
TAUB
Injecter voltage
I
5.3
0
0
78
NOISE
Noise detection
I
0
0
0.3
79
MP
FM multipass detection
I
0.3
0
0
80
VCONT
Phase
diff.
level
detection
I
0
0
0.3
81
LCDTEMP
LCD temperature
I
2.2
2.1
2.0
82
VDD
+5V power supply
-
5.3
5.3
5.3
83
AVDD
+5V power supply
-
5.3
5.3
5.3
84
GND
Ground
-
0
0
0
85
LAN IN
LAN data
I
0
0
0
86
LAN OUT
LAN data
O
0
0
0
87
GND
Ground
-
0
0
0
88
TAU
Injecter drive signal
I
0
0
0
89
SPD
Speed pulse
I
0
0
0
90
PLL-DO
PLL data
O
5.3
5.3
5.3
91
LCD-DET
LCD unit detection
I
5.3
5.3
5.3
92
ACC-DET
ACC level detection
I
5.3
5.3
5.3
93
EJ
CD eject switch
I
5.3
5.3
5.3
94
RDS DATA
RDS data
I
2.5
0
2.5
95
FILT CON
Not used
-
-
-
-
96
NK CON
Not used
-
-
-
-
97
RDS CLK
RDS clock
I
2.6
0
2.6
98
PLL CE
PLL chip enable
O
0
0
0
99
PLL DI
PLL data
I
0
0
0
100
PLL CLK
PLL clock
O
0
0
0
Note 1 : Voltage measuerments are with respect to ground,
with a voltmeter (internal resistance : 10M ohms).
with a voltmeter (internal resistance : 10M ohms).
7 TERMINALS DESCRIPTION
7
CQ-TS7170L