Panasonic CQ-VAD7200U Service Manual page 17

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Pin Port Descriptions
No.
1 ERR CAN error indication
2 STB CAN standby digital control
signal
3 EN CAN enable digital control
signal
4 NMUTE NAVI voice guide detection
signal
5 BMUTE BUS mute signal
6 SYS MUTE F System mute signal (Front)
7 NAVI PWR Main power control signal
8 SYS PWR System power control signal
9 ANT CNT Motor antenna control signal
10 P31 (Connecting to GND)
11 VSS (Connecting to GND)
12 P32 (Connecting to GND)
13 P33 (Connecting to GND)
14 P34 (Connecting to GND)
15 P35 (Connecting to GND)
16 P36 (Connecting to GND)
17 VOL CE Electronic volume IC chip
enable
18 VOL DATA Electronic volume data
19 VOL CE Electronic volume data shift
clock
20 PLL CLK PLL chip enable
21 PLL DI PLL data input
22 PLL CLK PLL clock
23 VCC +5V power supply
24 PLL DO PLL data output
25 CH ADP Twin changer adaptor detection
signal
26 CH CLK Changer BUS clock signal
27 C Connection pin for external
capacitor
28 CH DATA Changer BUS data signal
29 TWCH C Twin changer select control
signal
30 PIC MUTE Power amplifier mute control
signal
31 STBY Power amplifier stand-by
signal
32 AMP CNT External amplifier power
control signal
33 MAININ CNT (Ground Pull-down)
34 AVCC +5V power supply for A/D
converter
35 AVR+ +5V REF voltage + for A/D
converter
36 AVR- (Connecting to GND)
37 AVSS (Connecting to GND)
38 SD Radio SD signal
39 P61/AN1 (Connecting to GND)
40 P62/AN2 (Connecting to GND)
41 P63/AN3 (Connecting to GND)
42 VSS GND
43 SUB.W.CUT Sub. woofer output cut
44 SW CLK Clock for sub. woofer control
data
45 SW DATA Sub. woofer control data
46 P67 (Connecting to GND)
47 P56 (Connecting to GND)
48 (NC) (Connecting to GND)
49 MD0 Test mode
50 MD1 Test mode
51 MD2 Test mode
52 /HST Hardware standby
53 NC (Connecting to GND)
54 NC (Connecting to GND)
55 NC (Connecting to GND)
56 NC (Connecting to GND)
57 NC (Connecting to GND)
58 NC (Connecting to GND)
Pin Port
No.
59 NC
60 NC
I/O FM AM 61 NC
(V) (V) (V)
62 NC
I 5.0 5.0
63 NC
O 4.9 4.9
64 NC
65 CH REMO
O 4.9 4.9
66 NC
67 NC
I 0 0
68 NC
69 TEST REMO
I 5.0 5.0
70 CH STB
O 4.9 4.9
71 BATT SENS
O 4.9 4.9
72 ACC SENS
O 4.8 4.8
O 4.9 4.9
73 CAN TX
- 0 0
74 CAN RX
- 0 0
75 NC
- 0 0
76 NC
- 0 0
77 RESET
- 0 0
78 PA0
- 0 0
79 X1A
- 0 0
80 X0A
O 0 0
81 VSS
82 X0
O 0 0
83 X1
O 4.9 4.9
84 VCC
O 0 0 85 P00/IN0
86 P01/IN1
I 5.0 5.0
87 P02/IN2
O 4.9 4.9
- 4.9 4.9 88 STEREO
89 GND
O 0 0
I 0 0 90 BAND
91 RADIO CNT
I 0 0
92 P07/OUT3
- 3.2 3.2
93 P10
94 P11
I 0 0
95 P12
O 4.9 4.9
96 P13
97 P14
O 4.9 4.9
98 P15
99 P16
O 4.9 4.9
100 P17
O 4.9 4.9
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- 0 0
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- 5.0 5.0
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- 5.0 5.0
- 0 0
- 0 0
I 0.5 0
- 0 0
- 0 0
- 0 0
- 0 0
O 0 0
O 0 0
O 0 0
- 0 0
- 0 0
- 0 0
- 4.9 4.9
- 4.9 4.9
- 0 0
- 4.9 4.9
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
-M
Descriptions
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
Changer remote control signal
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
CAN inhibit signal
Changer BUS strobe signal
Back up power detection signal
Accessory power detection
signal
CAN transmit data
CAN receive data
(Connecting to GND)
(Connecting to GND)
System reset
(Connecting to ground)
No connection
(Ground Pull-down)
GND
Main system clock
Main system clock
+5V power supply
Write-in
Write-in
(Connecting to GND)
FM stereo signal detection
Ground
AM/FM band select signal
Radio power control signal
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
(Connecting to GND)
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I/O FM AM
(V) (V) (V)
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
O 4.9 4.9
- 0 0
- 0 0
- 0 0
I 5.0 5.0
I 0 0
I 5.3 5.3
I 5.3 5.3
O 4.9 4.9
I 5.0 5.0
- 0 0
- 0 0
- 5.0 5.0
- 0 0
- - -
- 0 0
- 0 0
- 1.9 1.9
- 2.2 2.2
- 5.2 5.2
- 4.7 4.7
- 0 0
- 0 0
I 4.9 4.9
- 0 0
O 4.9 0
O 4.9 4.9
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0
- 0 0