Panasonic CQ-C3453W Service Manual ▷ View online
5
1 Technical Descriptions
1.1.
Terminals Description
1.1.1.
Main Block
IC601 : YESAM355
Pin
No
Port
Description
I/O
Vol. (V)
FM AM CD
1
BATT DET
Battery voltage detection
I
2.1
2.1 2.1
2
SYSID 1
System upgrade ID1
I
4.2
4.2 4.2
3
SYSID 2
System upgrade ID2
I
4.2
4.2 4.2
4
PLL DO
PLL data
I
4.8
4.8 4.8
5
PLL CLK
PLL data clock
O
4.8
4.8 4.8
6
PLL DI
PLL data
O
0
0
0
7
PLL CE
PLL chip select
O
0
0
0
8
LED1
LED drive control 1
O
0
0
0
9
LED2
LED drive control 2
O
0
0
0
10 RESET
Reset
I
4.8
4.8 4.8
11 XT2
Crystal oscillator
-
2.5
2.5 2.5
12 XT1
Crystal oscillator
-
2.1
2.1 2.1
13 FLMD0
-
-
0
0
0
14 X2
Crystal oscillator
-
2.7
2.7 2.7
15 X1
Crystal oscillator
-
2.3
2.3 2.3
16 REGC
(Regulator capacitor)
-
2.5
2.5 2.5
17 VSS
Ground
-
0
0
0
18 EVSS
Ground
-
0
0
0
19 VDD
+5V power supply
-
4.8
4.8 4.8
20 EVDD
+5V power supply
-
4.8
4.8 4.8
21 ROT 1
Rotary encoder input 1
I
4.8
4.8 4.8
22 ROT 2
Rotary encoder input 2
I
4.8
4.8 4.8
23 OP/CL
Panel open/close detect
I
4.7
4.7 4.7
24 (NC)
Not connected
-
-
-
-
25 LED3
LED drive control 3
O
0
0
0
26 (NC)
Not connected
-
-
-
-
27 PANEL
Panel detection
I
0
0
0
28 (NC)
Not connected
-
-
-
-
29 (NC)
Not connected
-
-
-
-
30 LCD 5V CNT Display 5V control
O
0
0
0
31 LCD CE
LCD chip enable
O
0
0
0
32 EJECT
EJECT switch
I
4.8
4.8 4.8
33 EJ ILL
LED control (EJ/ILL)
O
4.8
4.8 4.8
34 AMP CNT
Amp power control
O
4.8
4.8 4.8
35 ANT CNT
Antenna power control
O
4.8
4.8
0
36 EXT.MUTE
External mute
O
4.8
4.8 4.8
37 (NC)
Not connected
-
-
-
-
38 RM DATA
Remote control data
I
4.7
4.7 4.7
39 AF MUTE
AF mute control
O
4.8
4.8 4.8
40 INV CNT
Illumination control
O
4.8
4.8 4.8
41 (NC)
Not connected
-
-
-
-
42 HUB ACC
CNT
HUB ACC regulator control
O
0
0
0
43 INI A
Mode setting A
I
0
0
0
44 INI B
Mode setting B
I
4.8
4.8 4.8
45 INI C
Mode setting C
I
0
0
0
46 CHSTB /
SYSID4
CD changer strobe / System
upgrade ID4
upgrade ID4
I
0
0
0
47 CD MUTE
CD mute
I
0
0
4.8
48 EVENT
System upgrade EVENT
I
0
0
0
49 HUB CNT
HUB control signal
O
4.8
4.8 4.8
50 UART RX
UART serial data
I
0
0
0
51 UART TX
UART serial data
O
4.8
4.8 4.8
52 CD SI
CD data input
O
0
0
0
53 CD SO
CD data output
I
0
0
0.8
54 CD SCK
CD clock
O
4.7
4.7 4.7
55 CD RST
CD reset
O
4.8
4.8 4.8
56 CD STB
CD strobe
I
4.8
4.8 3.6
57 (NC)
Not connected
-
-
-
-
58 (NC)
Not connected
-
-
-
-
59 AVREF
(Conecting to +5V)
-
4.8
4.8 4.8
60 AVSS
Ground
-
0
0
0
61 ACC
ACC detection
I
4.9
4.9 4.9
62 (NC)
Ground
-
0
0
0
63 LEVEL
Audio level meter signal
I
0
0
1.1
64 VSM
Radio signal strength
I
0
0
0
65 (NC)
Not connected
-
-
-
-
66 SCL
Audio control serial clock
O
4.8
4.8 4.8
67 SDA
Audio control data
O
4.8
4.8 4.8
68 SD/ST
Radio station detect
I
4.8
4.8 4.8
69 MAIN CNT
Main power control
O
4.8
4.8 4.8
70 LCD CLK
LCD Clock
O
4.7
4.7 4.7
71 LCD DO
LCD data
I
4.7
4.7 4.7
72 LCD DI
LCD data
O
4.7
4.7 4.7
73 CH REM
CD changer remote
O
4.8
4.8 4.8
74 AMP MUTE
Amp mute control
O
4.8
4.8 4.8
75 STBY
Power IC stundby control
O
4.8
4.8 4.8
76 (NC)
Not connected
-
-
-
-
77 CH DATA
CD changer data
I
0
0
0
78 CH CLK /
SYSID3
CD changer clock / System
upgrade ID3
upgrade ID3
I
0
0
0
79 CD SW1
CD mechanism SW1
I
4.8
4.8 4.8
80 CD SW2
CD mechanism SW2
I
4.8
4.8 4.8
Pin
No
Port
Description
I/O
Vol. (V)
FM AM CD
6
1.1.2.
Display Block
IC901 : C0HBA0000195
1.1.3.
CD Servo Block
IC101 : YESAM337
Pin No.
Port
Description
I/O
(V)
1
(NC)
Not connected
-
-
2
SEG40
LCD segment data
O
2.4
3 - 8
SEG6-1
LCD segment data
O
2.4
9 - 39 SEG39 -9
LCD segment data
O
2.4
40 - 43 COM4 -1
LCD common
O
2.4
44,45
SEG8,7
LCD segment data
O
2.4
46 - 49 KS3-6
Key scan
O
4.7
50 - 54 Kl1-5
Key data
I
0
55
TEST
(Connecting to ground)
-
0
56
VDD
+5V power supply
-
4.7
57
VDD1
VDD1 filter terminal
-
3.1
58
VDD2
VDD2 filter terminal
-
1.6
59
VSS
Ground
-
0
60
OSC
Oscillator terminal
-
3.7
61
DO
Key data output
O
4.7
62
CE
LCD driver chip enable
I
0
63
CLK
LCD clock
I
4.7
64
DI
LCD data
I
4.7
Pin
No.
Port
Description I/O
(V)
1
AVSS
GND
-
0
2
LD-MT
Loading Motor drive IC control 1
O
3.2
3
CNT
Loading Motor drive IC control 2
O
3.2
4
-
Not connected
-
-
5
LD-EJ
Loading Motor drive IC control
(Eject)
(Eject)
O
0
6
AMUTE
Mute signal output
O
0
7
-
Not connected
-
-
8
SBSY
DSP IC SBSY
O
0
9
-
Not connected
-
-
10
-
Not connected
-
-
11
TXD0
Serial data output
O
0
12
RXD0
Serial data input
I
0
13
CLK0
Clock input
I
2.9
14
-
Not connected
-
-
15
-
Not connected
-
-
16
-
Not connected
-
-
17
AMD
-
-
3.2
18
DVCC
Power supply (3.3V)
-
3.2
19
X2
Crystal oscillator
-
1.3
20
DVSS
GND
-
0
21
X1
Crystal oscillator
-
1.3
22
AMI
-
-
3.2
23
RESET
Reset
I
3
24
-
Not connected
-
-
25
-
Not connected
-
-
26
NMI
-
-
3.2
27
-
Not connected
-
-
28
STBY
DSP IC STBY
O
0
29
RST
DSP IC RST
O
3.2
30
CCE
DSP IC CCE
O
2.6
31
BUCK
DSP IC CK
O
2.8
32
BUS3
DSP IC BUS3
O
2.8
33
BUS2
DSP IC BUS2
O
2.8
34
BUS1
DSP IC BUS1
O
2.8
35
BUS0
DSP IC BUS0
O
2.9
36
RESET SW
Mechanics deck REST SW input
I
3.2
37
SW1
Mechanics deck SW1 input
I
0
38
SW2
Mechanics deck SW2 input
I
0
39
CONT (P13)
DSP IC power control 1
O
3.2
40
-
Not connected
-
-
41
-
Not connected
-
-
42
-
Not connected
-
-
43
CONT (P17)
DSP IC power control 2
O
3.2
44
PIO0
DSP IC PIO0
O
0
45
ZDET
LOAD detect
I
0
46
-
Not connected
-
-
47
-
Not connected
-
-
48
-
Not connected
-
-
49
-
Not connected
-
-
50
BOOT
-
-
3.2
51
-
Not connected
-
-
52
-
Not connected
-
-
53
-
Not connected
-
-
54
-
Not connected
-
-
55
-
Not connected
-
-
56
-
Not connected
-
-
57
-
Not connected
-
-
58
-
Not connected
-
-
59
CDFS
Serial frame sink signal input (CD
ON)
ON)
I
2.3
60
P50/AN0
Reference voltage
I
0.3
61
P51/AN0
Loading motor detect
I
2.1
62
P52/AN2
Ground
-
0
63
P53/AN3
Ground
-
0
64
AVCC
Power supply (3.3V)
-
3.2
Pin
No.
Port
Description I/O
(V)
7
1.2.
IC Block Diagram
1.2.1.
Main Block
PA051 : YEASP403
IC201 : YESAM293
IC231 : C0ABBB000038
IC271 : C1EA00000041
IC401 : YESAM321
IC650 : YESAM265
IC681 : YESAM346
8
IC710 : YESAM340
IC791 : YESAM344
IC750 : YESAM267
1.2.2.
Display Block
IC905 : YESAM264
1.2.3.
CD Servo Block
IC401, 403 : YESAM341
IC402 : YESAM342
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