Panasonic CQ-EV1460L / CQ-EV1462L Service Manual ▷ View online
4 WIRING CONNECTION
5
Volkswagen / CQ-EV1460L / CQ-EV1462L
5 BLOCK DIAGRAM
6
Volkswagen / CQ-EV1460L / CQ-EV1462L
6.1. Main Block
IC601 : C2CBLJ000009
Pin
No.
Port
Description
I/O FM
(V)
AM
(V)
(V)
CD
(V)
1
CONTRAST
voltage output for contrast level
setting (DA-converter output)
setting (DA-converter output)
O 2.0 2.0 2.0
2
BATT SENSE
-
I
3.6 3.6 3.6
3
CDC REMO
async. Data out
O 3.6 3.6 3.6
4
CDC DATA
sync.Data input from Master
I
3.5 3.5 3.5
5
CDC CLK
sync.Clk input from Master
I
3.5 3.5 3.5
6
NC
-
-
3.5 3.5 3.5
7
CNVSS
pull down
-
0
0
0
8
NC
-
O 3.6 3.6 3.6
9
CAN STB
-
O
0
0
0
10 RESET
reset
-
3.6 3.6 3.6
11 X OUT
crystal
-
1.9 1.9 1.9
12 VSS
ground
-
0
0
0
13 X IN
crystal
-
1.6 1.6 1.6
14 VCC
v osc
-
3.6 3.6 3.6
15 NMI
-
I
3.6 3.6 3.6
16 T MUT
-
I
0
0
0
17 6.1V DET
ext.
IRQ
signal
for
6.1V
detection
I
3.6 3.6 3.6
18 TUNER IRQ
-
I
3.4 3.4 3.4
19 CAN ENA
-
O
0
0
0
20 LCD ILL
PWM output line for display
illumination
illumination
O 0.7 0.7 0.7
21 CAN RX
CAN-receive pin (in PWR-down
ext IRQ)
ext IRQ)
I
1.8 1.8 1.8
22 CAN TX
CAN-transmit pin
O 3.6 3.6 3.6
23 CAN ERR
-
I
3.6 3.6 3.6
24 DC/DC OSC
DC/DC
external
Clock
(600-
650kHz)
O 2.1 2.1 2.1
25
-
-
O 3.6 3.6 3.6
26 KEY ILL
PWM
output
line
for
key
illumination
O 3.1 3.1 3.1
27 I2C2
-
I
0
0
0
28 I2C2
-
O
0
0
0
29 DATA T
send
data
to
LCD
or
EEPROM(Flash)
O
0
3.6
0
30 DATA R
receive
data
fromEEPROM(Flash)
I
0
0
0
31 CLK
Clock-line
for
LCD/EEPROM
SPI(Flash)
O 3.6 3.6 3.6
32 BUSY
-
O 3.6 3.6 3.6
33 IDC SIM
sync.serial output
O
0
0
0
34 IDC SOM
sync.serial input
I
0.8 0.8 0.8
35 IDC SCKM
serial clock
O 3.1 3.1 3.1
36 IDC ON
enable
signal
for
serial
communication
O 3.6 3.6 3.6
37 IDC MUTE
analog-mute for IDC-Audio
I
0
0
0
38 CD CD CONT could be switchd by P.ON
O 3.7 3.7 3.7
39 IDC 5V ON
switch 5V for indash CD deck
O 3.7 3.7 3.7
40 DC/DC
FREQUENCE
change
DC/CD-frequence
to
avoid frequence problems with
AM
AM
O 3.7 3.7 3.7
41 WDT CLK
-
O 3.7 3.7 3.7
42 P.ON
main power supply ON
O 3.7 3.7 3.7
43 DEBUG CS
opt. Debug pin
O 3.7 3.7 3.7
44 FLASH
CSCCE
Flash chip select
I
3.7 3.7 3.7
45 E1CS
EEPROM Chip select line
O
0
0
0
46 IDC 8V ON
switch 8V for indash CD deck
O 3.7 3.7 3.7
47 WDT
SERVICE
-
O 1.9 1.9 1.9
48 NC
-
O 3.7 3.7 3.7
49 NC
-
O 3.7 3.7 3.7
Pin
No.
Port
Description
I/O FM
(V)
AM
(V)
(V)
CD
(V)
50 NC
-
O 3.7 3.7 3.7
51 NC
-
O 3.5 3.7 3.5
52 NC
-
O 3.5 3.7 3.5
53 NC
-
O 3.5 3.7 3.5
54 LCD CS
LCD Chip select line(please use
/CS1 as chips select signal not
CS2)
/CS1 as chips select signal not
CS2)
O 3.5 3.7 3.5
55 LCD A0
LCD -control-pin for order/data
desision
desision
O
0
0
0
56 LCD RESET
reset line for LCD-display
O 3.5 3.6 3.5
57-
59
NC
-
I
3.5 3.6 3.5
60 VCC
v osc
-
3.5 3.6 3.5
61 B M CONT
ON/OFF-control for +B monitor
O 3.5 3.6 3.5
62 VSS
ground
-
0
0
0
63 LCD TM
-
I
1
1
1
64 +B DET
analog+B-detection
I
2.5 2.5 2.5
65 BASS
analog-input
for
"BASS"-
potentiometer
I
1.9 1.9 1.9
66 MID
analog-input
for
"MIDDLE"-
potentiometer
I
1.9 1.9 1.9
67 TRE
analog-input
for
"TREBLE"-
potentiometer
I
1.9 1.9 1.9
68 BAL
analog-input
for
"BALANCE"-
potentiometer
I
1.9 1.9 1.9
69 FAD
analog-input
for
"FADER"-
potentiometer
I
1.9 1.9 1.9
70 V2 MDNI
-
I
0.9 0.9 0.9
71 EXP IRQ
key matrix IRQ
I
3.5 3.5 3.5
72 DSP
RESET
MON
-
I
3.3 3.3 3.3
73 TIMER IRQ
external wakeup timer for WDT-
service
service
I
0
0
0
74 RADIO
5V
ON
-
O 3.5 3.5 3.5
75 TUNER1 CS
Enable Tuner 1
O
0
0
0
76 TUNER2 CS
Enable Tuner 2
O
0
0
0
77 TUN2 READY Tuner2 message ready signal
I
3.5 3.5 3.5
78 TUN1READY Tuner1 message ready signal
I
3.5 3.5 3.5
79 AGC BUFF1
-
I
3.5 3.5 3.5
80 AGC BUFF2
-
I
3.5 3.5 3.5
81 FIELD2
field. Tuner2
I
0.6 0.6 0.6
82 FIELD1
field. Tuner1
I
0.6 0.6 0.6
83 ANT2 OPEN
AD-port
to
check
antenna2
voltage
I
0
0
0
84 ANT2
SHORT
AD-port
to
check
antenna2
voltage
I
0.6 0.6 0.6
85 ANT1 OPEN
AD-port
to
check
antenna1
voltage
I
0
0
0
86 ANT1
SHORT
AD-port
to
check
antenna1
voltage
I
0.6 0.6 0.6
87 P SW
power switch
I
3.6 3.6 3.6
88 LOAD
-
I
3.6 3.6 3.6
89 EJECT
-
I
3.6 3.6 3.6
90 ANT1 CONT
switching Antenna-+B on/off
O 3.6 3.6 3.6
91 ANT2 CONT
switching Antenna-+B on/off
O 3.6 3.6 3.6
92 RADIO ON
8,5V control
O 3.6 3.6 3.6
93 NC
-
O 3.6 3.6 3.6
94 AVSS
GND
-
0
0
0
95 CLIP IN
clip in
I
3.6 3.6 3.6
96 V REF
connect to P.ON 3.3V(P.ON <=
Vdd)
Vdd)
-
3.6 3.6 3.6
97 AVCC
connect to Vdd
-
3.6 3.6 3.6
98 I2C SCL
I2C-bus clock line
O 3.3 3.3 3.3
99 I2C SDA
I2C-bus data line
O 3.3 3.3 3.3
100 DSP RESET
-
O 3.6 3.6 3.6
6 TERMINALS DESCRIPTION
7
Volkswagen / CQ-EV1460L / CQ-EV1462L
IC603 : C1EB00000097
IC604 : C0EBF0000351
IC608 : C0CBADC00067
IC609 : C0CBABD00058
IC611 : C0CBABA00018
IC612 : C0ABBA000022
7 IC BLOCK DIAGRAM
7.1. Main Block
8
Volkswagen / CQ-EV1460L / CQ-EV1462L
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