CQ-JN8580K - Panasonic Car Audio Service Manual (repair manual). Page 6

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6.1. Main Block
IC601 C2DBKJ000253
Pin
No.
Signal
Description
I/O
(V)
1
AVREF0
AVREF (VDD3.3V)
-
3.5
2
AVSS
AVSS (GND)
-
0
3,4
NC
No Connection
-
-
5
AVREF1
AVREF (VDD3.3V)
-
3.6
6,7
NC
No Connection
-
-
8
FLMD0
Flash write
(Normally PULL DOWN)
I
0.2
9
VDD
VDD (VDD3.3V)
-
3.6
10
REGC
REGC
-
2.8
11
VSS
VSS (GND)
-
0.2
12
X1(MAIN)
For clock oscillator
I
1.5
13
X2(MAIN)
For clock oscillator
O
1.5
14
RESET
System reset input
I
3.6
15
XT1(SUB)
Sub-clock oscillation terminal
I
0.3
16
XT2(SUB)
Sub-clock oscillation terminal
O
2.8
17
NC
No Connection
-
-
18
ACC IN
ACC detection IN
(H:ACC ON L:ACC OFF)
I
5.1
19
CD EJ
CD EJECT input
(H:NORMAL L:CD EJECT)
I
3.7
20
DRSET
Normal PULL DOWN
I
0
21
PW LATCH
Power
supply
IC
data
latch
signal output
O
3.6
22
NC
No Connection
-
-
23
PW DATA
Power supply IC data output
O
0.2
24
PW SCK
Power supply IC clock output
O
0.2
25
LCD DI/TX
LCD driver data output/Flash
rewrite output
O
0.2
26
LCD DO/RX
LCD
driver
data
input/Flash
rewrite input
I
5.2
27
LCD CL
Driver clock output
O
5.2
28
LCD CE
LCD driver chip selection signal
O
0.2
29
PW STBY
Power supply IC STBY (H:Power
supply IC ON)
O
3.6
30
PW STBY2
Power
supply
IC
STBY2
(H:Power supply IC ON)
O
3.6
31,32 NC
No Connection
-
-
33
EVSS
EVSS (GND)
-
0.2
34
EVDD
EVDD (VDD3.3V)
-
3.6
35
CHG TX
Bus
Changer
communication
output
O
3.6
36
CHG RX
Bus
Changer
communication
input
I
5.3
37
EN A
encoder A
I
5.2
38
EN B
encoder B
I
5.2
39
PLL CE
PLL CE output
O
0.2
40
PLL DO
PLL data input
I
5.3
41
PLL DI
PLL data output
O
0.2
42
PLL CL
PLL CL output
O
3.6
43,44 NC
No Connection
-
-
45
TU SD
TUNER SD input
(H:with station L:without station)
I
0.2
46
FM ST
FM ST input
(H:Monaural L:Stereo)
I
1.1
47
NC
No Connection
-
-
48
BEEP
BEEP output
O
0.2
49
STBY
P.IC ON signal (H:ON L:OFF)
O
5.4
50
VOL STB
E VOL strobe output
O
0.2
51
VOL SDA
E VOL data output
O
0.2
52
VOL CLK
E VOL clock output
O
0.2
53
CD SO
CD communication data input
I
0.2
54
CD SI
CD communication data output
O
0.2
55
CD CLK
CD communication clock output
O
0.2
Pin
No.
Signal
Description
I/O
(V)
56
CD SW1
CD SW1 (H:with disc L:without
disc)
I
0.2
57
CD SW3
CD SW3 (H:with disc L:without
disc)
I
0.4
58
CHG REQ
Request for bus changer (H:with
REQ L:without REQ)
I
0.2
59
DIVER
Output for fixed diver
O
0.2
60
CD RESET
CD reset (H:Normal L:Reset)
O
61
CD ON
CD ON signal (H:ON L:OFF)
O
0.2
62,68 NC
No Connection
-
-
69
BVSS
BVSS (GND)
-
0.1
70
BVDD
BVDD (VDD3.3V)
-
3.6
71
NC
No Connection
-
-
72
AUX SEL
AUX select signal
O
0.2
73
HU ON
HU ON signal
O
0.2
74
AUX ON
AUX ON signal
I
0.2
75
AUX RED
AUX RED signal
O
0.2
76
FMLD1
Flash Write
O
0.2
77
NC
No Connection
-
-
78
NC
No Connection
-
-
79
MUTE
Mute output (H:ON L:OFF)
O
3.5
80-94 NC
No Connection
-
-
95
SEL3
Set
specification
(H:1DIN
L:2DIN)
I
0.1
96
NC
No Connection
-
-
97
SEL1
Set
specification
(H:Domestic
L:General
export
or
Central/South America)
I
3.6
98
ILL IN
Illumination Detection
(H:illumi OFF L:illumi ON)
I
0.1
99
REM B
Remote controller input B
I
0.1
100
REM A
Remote controller input A
I
0.1
6.2. Display Block
IC901 YEAMLC75853
Pin
No.
Signal
Description
I/O
(V)
1-37
S1-S31
LCD segment
O
0
38
S38(NC)
No Connection
-
-
39
NC
No Connection
-
-
40
NC
No Connection
-
-
41
COM1
LCD common
O
0
42
COM2
LCD common
O
0
43
COM3
LCD common
O
0
44-48
KS1-KS5
Key data output
O
5.0
49
KS6(NC)
No Connection
-
-
50-54
Kl1-Kl5
Key data input
I
0
55
TEST
(Connect to Ground)
-
0
56
VDD
+5V Power supply
-
5.0
57
VDD1
Capacitor
connection
terminal(For interior VDD1)
-
0
58
VDD2
Capacitor
connection
terminal(For interior VDD2)
-
0
59
VSS
(Connect to Ground)
-
0
60
OSC
CR oscillator
-
0
61
DO
LCD data output
O
5.0
62
CE
Chip enable
I
0.3
63
CL
LCD clock input
I
5.0
64
DI
LCD data input
I
0.3
6 TERMINALS DESCRIPTION
6
NISSAN / CQ-JN8580K
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