Read Panasonic CQ-LA1923L Service Manual online
IC604 C2ABDD000033
Pin
No.
Name
Description
I / O Vol.
(V)
1
(NC)
─
─
─
2
(NC)
─
─
─
3
P.
SENSOR
OUT
SENSOR
OUT
Photo Sensor ILL Output
O
4.9
4
2ND DISP
ENA IN
ENA IN
Enable Input (from 2nd Display)
I
0
5
2ND DISP
ENA OUT
ENA OUT
Enable Output (to 2nd Display)
O
4.9
6
2ND DISP
CLK
CLK
Clock Output (to 2nd Display)
O
0
7
2ND DISP
DATA
DATA
Data Output (to 2nd Display)
O
0
8-16 (NC)
─
─
─
17
VSS
Ground
─
0
18
XT1
Connect to Ground
─
0
19
(NC)
─
─
─
20
RESET
Reset Input
I
4.7
21
XTAL (X1)
Connect to X-tal
I
2.3
22
XTAL (X2)
Connect to X-tal
I
2.5
23
S-
REMCON
REMCON
Steering Remoto Control Input
I
0
24
ILL 1
ILL1 (Button) Self Check Input
I
4.9
25
ILL 2
ILL2 (LCD Indicator) Input
I
0
26
AMP+
Self Check (AMP+)
O
4.5
27
SP-OUT
CONT
CONT
SP Self Check Control Output
O
0
28
(NC)
─
─
─
29
S-uCOM
DATA OUT
DATA OUT
Data Input (from Main CPU)
I
2.7
30
S-uCOM
DATA IN
DATA IN
Data Output (to Main CPU)
O
2.0
31
S-uCOM
CLK
CLK
Clock Input (from Main CPU)
I
4.9
32
INT4
Connect to Ground
─
0
33
TI0
Connect to Ground
─
0
34
(NC)
─
─
─
35
INT2
Connect to Ground
─
0
36
INT1
Ground
─
0
37
Ign.
Ign. Signal Input
I
0
38
(NC)
─
─
─
39
VDD
Power Supply
─
4.9
40
C
NAVI/TEL Mix Control (C)
O
0
41
B
NAVI/TEL Mix Control (B)
O
4.9
42
A
NAVI/TEL Mix Control (A)
O
4.9
43
BOSE/NOR
MAL
MAL
BOSE/NORMAL Select Output
O
4.9
44
(NC)
─
─
─
6.2. DISPLAY BLOCK
IC601 YEAMH66720F2
Pin
No.
Name
Descripotion
I / O Vol.
(V)
1-24
SEG 24-S47 Segment Signal output
O
1.0
25
SEG48 (NC)
─
─
─
26
SEG49 (NC)
─
─
─
27
SEG50 (NC)
─
─
─
28-34 COM1-7
Common Signal output
O
1.0
35
COM8 (NC)
─
─
─
36
COMS
Common Signal output
(for Icon Segment)
(for Icon Segment)
O
1.0
37
V1
Connect to Power Supply
(for LCD Drive)
(for LCD Drive)
─
2.9
38
V2
Connect to Power Supply
(for LCD Drive)
(for LCD Drive)
─
1.0
39
V3
Connect to Power Supply
(for LCD Drive)
(for LCD Drive)
─
1.0
40
V4
Connect to Power Supply
(for LCD Drive)
(for LCD Drive)
─
0
41
V5
Connect to Power Supply
(for LCD Drive)
(for LCD Drive)
─
0
42
V5OUT3
(NC)
(NC)
─
─
─
43
V5OUT2
Stepup Voltage output
(Vci
(Vci
×2)
O
0
44
GND
Connect to ground
─
0
45
C1
Connect to Capacitor (for
Voltage Stepup)
Voltage Stepup)
─
0
46
C2
Connect to Capacitor (for
Voltage Stepup)
Voltage Stepup)
─
0.8
47
Vci
Input Voltage for Voltage
Stepup Circuit
Stepup Circuit
I
3.1
48
VCC
Connect to Power Supply
─
4.8
49
OSC1
Oscillator output
I
2.4
50
OSC2
Oscillator Input
O
2.5
51
CL1 (NC)
─
─
─
52
CL2 (NC)
─
─
─
53
D (NC)
─
─
─
54
M (NC)
─
─
─
55
CS
Chip Select Input
I
4.7
56
SCLK
Serial Clock Input
I
4.7
57
SID
Serial Data Input
I
0
58
SOD
Serial Data Output
O
4.7
59
NL
Display Line Select Input
─
0
60
RESET
Reset Signal Input
I
4.7
61
TEST2
Test Terminal 1
─
0
62
TEST1
Test Terminal 3
─
0
63
GND
Connect to ground
─
0
64
LED0 (NC)
─
─
─
65
LED1 (NC)
─
─
─
66
IRQ (NC)
─
─
─
67-71 KST0-4
Key Matrix Output
O
3.9
72
KST5 (NC)
─
─
─
73-75 KIN0-2
Key Matrix Input
I
4.6
76-77 KIN3-4
Key Matrix Input
I
4.7
78-100 SEG1-23
Segment Signal output11
O
1.0
7
AUDI / CQ-LA1923L
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