Panasonic CQ-VAD7200U, Service Manual

Page: 17 / 97

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