Read Panasonic CQ-C5401W / CQ-C5301W Service Manual online
10.1. Main Block
IC601 : YESAM288
Pin
No.
Port
Description
I/O
Volt (V)
FM
AM
CD
1
PANEL
OPEN
OPEN
PANEL OPEN detection
I
5.2
5.2
5.2
2
PANEL
CLOSE
CLOSE
PANEL CLOSE detection
I
0
0
0
3
LCD DI
LCD data
O
4.7
4.7
4.7
4
BATT
BATT detection
I
5.1
5.1
5.1
5
ACC
ACC detection
I
5.1
5
5.1
6
SDA
Electronic VOL data
I/O
5
5
5
7
SCK
Electronic VOL clock
O
5
0
5
8
LCD DO
LCD data
I
4.9
4.9
4.9
9
Vss
GND
-
0
0
0
10 ST
FM ST detection
I
5.1
5.1
5.1
11 PLL DI
(MO)
PLL data output
O
0
0
0
12 PLL DO
(MI)
PLL data input
I
5.2
5.2
5.2
13 PLL CLK PLL clock output
O
5
5
5
14 PLL CE
PLL chip enable output
O
0
0
5
15 CD RST
CD deck reset output
O
5
5
0
16 XM RX
XM tuner RX data
O
4.8
4.8
4.8
17 LCD CLK LCD clock
O
4.9
4.9
4.9
18 XM TX
XM tuner TX data
I
0
0
0
19 CD SO
(MI)
CD Data
I
1.4
1.4
1.4
20 CD SCK
CD clock transmit
O
4.9
4.9
4.9
21 Vdd
Power supply
I
5
5
5
22 CD SI
(MO)
CD Data
O
0
0
0
23 NC
No Connection
-
-
-
-
24 CDC CLK CD Changer clock
I
0
0
0
25 CONDEN
SOR
Capacitor for power supply
-
3.2
3.2
3.2
26 CDC
DATA
CD Changer data
I
0
0
0
27 CDC STB Changer storobe signal input
I
0
0
0
28 CD IN
DISC In detection
I
4.9
4.9
0.4
29 DECK V
CONT
DECK power supply control
output
output
O
5
5
5
30 CD STB
Strobe signal for CD
communication
communication
O
3.3
3.3
3.3
31 NC
No Connection
-
-
-
-
32 Avdd
Power supply of D/A
converter
converter
I
5.1
5.1
5.1
33 AVREF
Reference voltage for D/A
converter
converter
I
5.1
5.1
5.1
34 AVGND
Reference GND for D/A
converter
converter
I
0
0
0
35 AVSS
GND for A/D and D/A
converter
converter
I
0
0
0
36 SD
FM/AM signal strength
I
0.3
0
0.3
37 INIT A
Initializ A
I
0
0
0
38 INIT B
Initializ B
I
0
0
0
39 A IN
SPE.ANA A.IN
I
0
0
0
40 Vss
GND
I
0
0
0
41 CD A0
Signal output according to
command employment
command employment
O
0
0
5.1
42 NC
No Connection
-
-
-
-
43 NC
No Connection
-
-
-
-
44 NC
No Connection
-
-
-
-
45 CD SW1
CD mechanism switch
I
0
0
0
46 CD SW2
CD mechanism switch
I
5
5
0
47 MOD0
Operating mode input 0
I
5.2
5.2
5.2
48 MOD1
Operating mode input 1
I
5.1
5.1
5.1
Pin
No.
Port
Description
I/O
Volt (V)
FM
AM
CD
49 MOD2
Operating mode input 2
I
0
0
0
50 H
STANDB
Y
Y
External standby input
I
5.1
5.1
5.1
51 DC DC
CNT (NC)
-
-
-
-
-
52 FP
MOTOR1
Front open/close control 1
O
5
5
5
53 FP
MOTOR2
Front open/close control 2
O
5
5
5
54 V CNT1
Panel driving voltage control
1
1
O
0
0
0
55 V CNT2
(NC)
-
-
-
-
-
56 SA CLK
Spectrum analizer clock
O
5
4.9
4.9
57 EXT
MUTE
TEL/NAVI MUTE input
I
5.4
5.4
5.4
58 AMP
CONT
External AMP control
O
5
5
5
59 BZ-OUT
Buzzer output
O
0
0
0
60 ANT
CONT
Motor antenna control
O
5
5
0
61 DIM1
(NC)
-
-
-
-
-
62 DIM2
(NC)
-
-
-
-
-
63 CDC
REM
OUT
OUT
Remote control data for CD
Changer
Changer
O
5
5
5
64 CDC
SENS
CDC 1/2 detection
I
5.1
5.1
5.1
65 CDC 1/2
CDC 1/2 change output
O
0
0
0
66 NC
-
-
-
-
-
67 REMO IN Main wake-up request
I
4.9
4.9
4.9
68 NC
-
-
-
-
-
69 RDS CLK
(NC)
-
-
-
-
-
70 NC
-
-
-
-
-
71 RD DATA
(NC)
-
-
-
-
-
72 MAIN
CONT
MAIN power supply control
O
5
4.9
4.9
73 INV
CONT
INV power supply control
O
5.1
5
5
74 AF MUTE AF MUTE control
O
5.1
5.1
5.1
75 RESET
Reset input
I
5.1
5.1
5.1
76 NC
No Connection
-
-
-
-
77 NC
No Connection
-
-
-
-
78 NC
-
I
0
0
0
79 Vss
GND
I
0
0
0
80 X1
Crystal oscillator input
I
2.1
2.1
2.1
81 X2
Crystal oscillator output
O
2.5
2.5
2.5
82 Vdd
Power supply
I
5.1
5.1
5.1
83 P00
Pldaun port for writing
I
0
0
0
84 P01
Pull-up port for writing
I
5.1
5.1
5.1
85 OFFSET
DET
PWR-IC offset detection
I
0
0
0
86 STBY
PWR-IC STBY control output
O
5.1
5.1
5.1
87 AMP
MUTE
PWR-IC MUTE control output
O
0
0
0
88 ILL SENS
(NC)
-
-
-
-
-
89 NC
-
-
-
-
-
90 EP DO
(MI) (NC)
-
-
-
-
-
91 EP D0
(M0) (NC)
-
-
-
-
-
10 TERMINALS DESCRIPTION
8
CQ-C5401W / CQ-C5301W
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