Panasonic CR-LS7160K Service Manual ▷ View online
General
Power Supply
DC 12V (11V - 16V),
Test Voltage 13.2V
Negative Ground
Current Consumption
Less than 2.0A
Power Output
17W×4ch
AM Radio
Frequency Range
530 - 1,620kHz
Usable Sensitivity
25dB(µV) (S/N 20dB)
CR-LS7160K
AM/FM MPX Electronic Tuning Radio
PART No. : 08600-12800
ID CODE : 72400
VEHICLE : COROLLA
DESTINATION : Brazil
PRODUCED AFTER : May, 2002
FM Stereo Radio
Frequency Range
87.9 - 108.0MHz
Usable Sensitivity
6dB/µV (S/N 30dB)
Dimensions**
178×70×165mm
Weight**
0.9kg
* Specifications and the design are subject to possible modification
without notice due to improvements.
without notice due to improvements.
** Dimensions and Weight shown are approximate.
AUTOMOTIVE ELECTRONICS
Specification*
I0
1
FEATUERS
2
2
REAR VIEW AND CONNECTORS
2
3
FRONT VIEW AND FUNCTIONS
2
4
BLOCK DIAGRAM
3
5
TERMINALS DESCRIPTION
4
6
PACKAGE AND IC BLOCK DIAGRAM
5
∙
PLL (Phase Locked Loop) synthesized tuning.
∙
18-station preset (6-AM, 12-FM).
∙
Scan tuning function.
7
REPLACEMENT PARTS LIST
7
8
EXPLODED VIEW (Unit)
11
9
WIRING DIAGRAM
12
10 SCHEMATIC DIAGRAM
15
11 MEMO
17
∙
Cassette tape player control.
∙
CD changer control.
∙
Electronic volume control.
CONTENTS
Page
Page
1 FEATUERS
2 REAR VIEW AND CONNECTORS
3 FRONT VIEW AND FUNCTIONS
2
CR-LS7160K
4 BLOCK DIAGRAM
3
CR-LS7160K
5.1. Main Block
IC601 : C2CBHG000092
Pin
No.
Port
Description
I/O
(V)
1
BEEP
Buzzer output
O
0
2
ROM SCK
Security ROM data shift clock
O
0
3
ROM CS
Security ROM chip select
O
0
4
ROM ST
Security ROM data
O
0
5
ROM SO
Security ROM data
I
0
6
SEC ON
Security timer on
O
0
7
MUTE
System mute
O
0
8
SEC TIM
Security timer
I
4.3
9
NC
No connection
-
-
10
NC
No connection
-
-
11
RESET
Reset input
I
4.8
12
X2
Crystal oscillator terminal
-
1.8
13
X1
Crystal oscillator terminal
-
1.3
14
GND
Ground
-
0
15
X2
Crystal oscillator terminal
-
1.7
16
X1
Crystal oscillator terminal
-
1.4
17
REGOFF
(Connecting to ground)
-
0
18
REGCPU
By pass capacitor terminal
-
4.0
19
VDD0
+5V power supply
-
5.0
20
FCONT2
Frequency control
O
4.9
21
FCONT1
Frequency control
O
0
22
SD
B/S detection
I
0
23
ST
FM stereo detection
I
0
24
PLL-DO
PLL data input
I
4.8
25
PLL-CLK
Shift clock for PLL data
O
0
26
PLL-DI
PLL data output
O
0
27
PLL-CE
PLL chip enable
O
0
28
NK ON/OFF
Not used
-
-
29
NC
No connection
-
-
30
NC
No connection
-
-
31
VOL-DATA
Electronic volume data
O
0
32
VOL-CLK
Data shift clock
O
0
33
LCD-CLK
Data shift clock
O
0
34
LCD-DO
LCD data input
I
4.8
35
NC
No connection
-
-
36
LCD-CE
LCD chip enable
O
0
37
LCD-DI
LCD data output
O
0
38
VOLA
Volume SW contact A
I
4.8
39
VOLB
Volume SW contact B
I
4.8
40
GND
Ground
-
0
41
VDD
+5V power supply
-
5.0
42
NC
No connection
-
-
43
MODEA
Mode SW contact A
I
0
44
MODEB
Mode SW contact B
I
0
45
NC
No connection
-
-
46
NC
No connection
-
-
47
NC
No connection
-
-
48
NC
No connection
-
-
49
NC
No connection
-
-
50
NC
No connection
-
-
51
SW/9Pro
(Connecting to ground)
-
0
52
9K/5K
Radio tuning step selection
I
5.0
53
NC
No connection
-
-
54
NC
No connection
-
-
55
NC
No connection
-
-
56
CLK
Power control IC clock
O
0
57
STBY
Power control IC stand-by
O
5.0
58
LATCH
Power control IC data latch
O
5.0
59
DATA
Power control IC data
O
0
60
NC
No connection
-
-
61
NC
No connection
-
-
62
NC
No connection
-
-
63
NC
No connection
-
-
64
MSOUT
Not used
-
-
65
NC
No connection
-
-
66
NC
No connection
-
-
67
NC
No connection
-
-
68
MS-PL/FF
Not used
-
-
69
T.LOAD
Not used
-
-
70
DOLBY
Not used
-
-
71
ILL PWM
ILL PWM control
O
4.5
72
LCD PWM
LCD PWM control
O
4.5
73
TEST
(GND pull-down)
-
0
74
REO IN
Rheostat signal
I
4.4
75
NC
No connection
-
-
76
NC
No connection
-
-
77
A/B
Not used
-
-
78
MTL
Not used
-
-
79
CAM A/B
Not used
-
-
80
MSM
Not used
-
-
81
NK-IN
Not used
-
-
82
VDD
+5V power supply
-
5.0
83
AVDD
+5V power supply
-
5.0
84
GND
Ground
-
0
85
LANIN
LAN data input
I
0
86
LANOUT
LAN data output
O
0
87
GND
Ground
-
0
88
NC
(Connecting to ground)
-
0
89
ILL-DET
ILL detection
I
0
90
EQ
(Connecting to VDD)
-
5.0
91
+B-DET
Battery level detection
I
4.9
92
ACC-DET
ACC level detection
I
4.9
93
TAPE-EJ
(Connecting to VDD)
-
5.0
94
T.IN
(Connecting to VDD)
-
5.0
95
END-B
Not used
-
-
96
END-A
Not used
-
-
97
NC
No connection
-
-
98
NC
No connection
-
-
99
NC
No connection
-
-
100
NC
No connection
-
-
Note 1 : Voltage measuerments are with respect to ground,
with a voltmeter (internal resistance : 10M ohms).
with a voltmeter (internal resistance : 10M ohms).
5.2. Display Block
IC601 : YEAMLC75853W
Pin
No.
Port
Description
I/O
(V)
1-33 SEG1-20
LCD segment data
O
2.6
34-40 -
Not used
-
-
41-43 COM1-3
LCD common output
O
2.6
44
S41
Not used
-
-
45-49 KS1-6
Key scan signal
O
5.2
50
KI1
Not used
-
0
51-54 KI2-5
Key data input
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5.2
57
VDD1
Ground through capacitor
-
3.5
58
VDD2
Ground through capacitor
-
1.8
59
VSS
Ground
-
0
60
OSC
CR oscillator
-
4.1
61
DO
key data output
O
5.2
62
CE
Chip enable
I
0
63
CLK
LCD clock
I
0
64
DI
LCD data input
I
0
5 TERMINALS DESCRIPTION
4
CR-LS7160K