9.1. Main Block
IC600 : C2BBGF000292
Pin
No.
Port
Description
I/O
(V)
1
INIT C
Initial C
I
4.9
2
NC
No connection
-
-
3
NC
No connection
-
-
4
AVSS
Analog ground
-
0
5
AF MUTE
AF mute
O
5.1
6
AMP.CNT
Power Amp. stand-by
O
5.0
7
AVREF
Reference voltage
-
5.1
8
CD-SO
CD data
I
3.2
9
CD-SI
CD data
O
3.8
10
CD-SCK
CD clock
O
5.0
11
CD.C DATA CD changer data
O
0
12
NC
No connection
-
-
13
CD.C CLK
CD changer clock
O
0
14
REM OUT
CD changer remote cont. data
O
5.0
15
PLL CE
PLL controller chip enable
O
0
16
PLL DATA
(MI)
Data from PLL
I
5.1
17
PLL DATA
(MO)
Data for PLL
O
0
18
PLL CLK
Clock for PLL
O
0
19
NC
No connection
-
-
20
NC
No connection
-
-
21
CD-RESET
CD reset
O
5.0
22
NC
No connection
-
-
23
NC
No connection
-
-
24
NC
No connection
-
-
25
NC
No connection
-
-
26
NC
No connection
-
-
27
NC
(GND pull-down)
-
0
28
CD-ON
CD power on
O
5.0
29
CD-MUTE
CD mute control
I
0
30
CD-SW2
Not used
-
-
31
NC
No connection
-
-
32
NC
No connection
-
-
33
Vss
Ground
-
0
34
NC
No connection
-
-
35
/ST
FM stereo detection
I
4.5
36
IC2-CLK
Electronic volume clock
O
5.0
37
IC2-DATA
Electronic volume data
I/O
5.0
38
S.LED
Not used
-
-
39
NC
No connection
-
-
40
BZIN
Not used
-
-
41
LCD-DI (MO) LCD data output
O
0
42
LCD-DO (MI) LCD data input
I
5.0
43
LCD-CLK
LCD clock
O
0
44
LCD-CE
LCD chip enable output
O
0.2
45
POWER
LED
Pilot lamp on
O
0
46
ANT.CONT
Motor antenna control
O
0
47
NC
No connection
-
-
48
NC
No connection
-
-
49
NC
No connection
-
-
50
BZOUT
Not used
-
-
51
NC
No connection
-
-
52
NC
No connection
-
-
53
NC
No connection
-
-
54
NC
No connection
-
-
55
PANEL
Panel detect
I
4.8
56
CD POWER CD power control
O
5.1
57
PWR CNT
Power control
O
5.1
58
ACC
ACC detection
I
5.0
59
RDS DATA
Not used
-
-
60
/RESET
Reset input
I
5.1
61
REM
Remocon data input
I
5.1
62
BATT
Battery detection
I
5.0
63
RDS CLK
Not used
-
-
64
CD.C.STB
(Ground pull-down)
I
0
65
MUTE
Mute control
O
5.1
66
NC
(Connecting to ground)
-
0
67
VSS0
(Connecting to ground)
-
0
68
VDD
+5V power supply
-
5.1
69
X2
Crystal oscillator
-
3.0
70
X1
Crystal oscillator
-
1.7
71
VPP
(Ground pull-down)
-
0
72
NC
No connection
-
-
73
NC
No connection
-
-
74
VDD0
+5V power supply
-
5.1
75
AVREF
(Connecting to VDD)
-
5.1
76
NC
(Connecting to ground)
-
0
77
SD
Search detect
I
5.1
78
INIT D
Initial value D
I
0
79
INIT A
Initial value A
I
0
80
INIT B
Initial value B
I
0
Note 1 : Voltage measuerments are with respect to ground,
with a voltmeter (internal resistance : 10M ohms).
9.2. Display Block
IC901 : YEAMLC75854T
Pin
No.
Port
Description
I/O
(V)
1-35 SEG9-35
LCD segment
O
2.5
36-39 NC
No connection
-
-
40-43 COM1-4
LCD common
O
2.5
44-49 KS1-6
Key data output
O
0.9
50-54 KI1-5
Key data input
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
5.1
57
VDD1
Ground through capacitor
-
3.3
58
VDD2
Ground through capacitor
-
1.7
59
Vss
Ground
-
0
60
OSC
CR oscillator
-
3.9
61
DO
Key data output
O
4.4
62
CE
Chip enable
I
0
63
CLK
LCD clock
I
0
64
DI
LCD data input
I
0
9 TERMINALS DESCRIPTION
5
CQ-DPX172U
Содержание CQDPX172U - AUTO RADIO/CD DECK
Страница 3: ...7 WIRING CONNECTION 3 CQ DPX172U ...
Страница 4: ...8 BLOCK DIAGRAM 4 CQ DPX172U ...
Страница 7: ...10 1 Main Block 10 PACKAGE AND IC BLOCK DIAGRAM PA51 C5BA00000092 IC201 YEAMEA6320TT 7 CQ DPX172U ...
Страница 15: ...12 EXPLODED VIEW Unit 15 CQ DPX172U ...
Страница 17: ...14 EXPLODED VIEW CD Deck 17 CQ DPX172U ...
Страница 24: ...17 SCHEMATIC DIAGRAM 1 17 1 Display Block 24 CQ DPX172U ...
Страница 25: ...18 SCHEMATIC DIAGRAM 2 18 1 Main Block CQ DPX172U 25 ...
Страница 27: ...17 SCHEMATIC DIAGRAM 1 17 1 Display Block 24 CQ DPX172U ...
Страница 28: ...18 SCHEMATIC DIAGRAM 2 18 1 Main Block CQ DPX172U 25 ...
