Read Panasonic CQ-EN7160Z / CQ-EN7161Z (serv.man3) Service Manual online
8.1. Main Block
IC601 : C2CBBGF000117
Pin
No.
Name
Description
I/O
Vol.(V)
FM
AM
CD
1
BAT-DET Battery level detection
I
5.3
5
5
2
ACC-DET ACC level detection
I
5.3
5
5.1
3
ANT ON
ANT on
O
5.4
5.1
0
4
AMP ON
AMP on
O
5.4
5
5
5
IDC
CONT
CONT
IDC control
O
0
0
0
6
CD ON
LCD illumi. on/off
O
5.4
5.1
5.1
7
CD
RESET
RESET
CD reset
O
5.4
5.1
5.1
8
CD SON
CD control
I
5.1
4.7
4.7
9
CD SIN
CD control
O
5.3
5
5
10 CD SCKM CD clock
I
5.4
5.1
5.1
11 RDS
DATA
RDS data
I
2.5
3.3
3.3
12 NC
No connection
-
-
-
-
13 RDS CLK RDS clock
I
2.8
2.5
2.5
14 RADIO
MUTE
Radio mute
O
0
0
5
15 IDC
MUTE
IDC mute
O
0
0
0
16 FM CONT FM control
O
5.4
0
0
17 AM/FM
CONT
AM/FM control
O
5.4
5
0
18 VOL CLK Electronic volume clock
O
0
0
0
19 VOL
DATA
Electronic volume data
O
0
0
0
20 MUTE
Not used
-
0
0
0
21 STBY
Power amp. Stndby
O
5.4
5.1
5.1
22 DX/LOC
DX/Local
O
0
0
0
23 ILL CONT Illumination control
I
0
0
0
24 VCONT
Security ROM chip select
I
0.6
0.7
0
25 ST-REM
Stering Wheel control
I
5.4
5.1
5.1
26 NC
No connection
-
0
0
0
27 AVDD
+5V power supply
-
5.5
5.1
5.1
28 NC
No connection
-
0
0
0
29 NC
No connection
-
0
0
0
30 SD
Signal detect
I
0.4
0
0
31 FM ST
FM stereo signal
I
0
1.8
0
32 AVSS
ACC 5V power switch
O
0
0
0
33 REGCPU Not used
-
3.4
3.4
3.4
34 VDD
+5V power supply
-
5.1
5.1
5.1
35 REGOSC REG OSC capacitor
-
5.1
5.1
5.1
36 X2
Crystal oscillator terminal
-
2.2
2.2
2.2
37 X1
Crystal oscillator terminal
-
2.2
2.2
2.2
38 GND
Ground
-
0
0
0
39 SSC
SSC
O
0
0
0
40 GND
Ground
-
0
0
0
41 AM IF
AM IF
I
0
0
0
42 FN IF
FM IF
I
0
0
0
43 PLL VDD
PLL VDD
-
5.1
5.1
5.1
44 FM OSC
FM OSC
I
2.6
0
0
45 AM OSC
AM OSC
I
0
1.8
1.9
46 PLL GND Ground
-
0
0
0
47 EO0
EO0
O
1.4
1.3
0
48 NC(E01)
No connection
-
-
-
-
49 GND(IC)
Ground
I
0
0
0
50 RESET
Reset input
I
5
5
5
51 GRIT IN
Grit in
I
3.8
3.8
3.8
52 NC
No connection
-
0
0
0
53 NC
No connection
-
0
0
0
Pin
No.
Name
Description
I/O
Vol.(V)
FM
AM
CD
54 FLT
BLK
PWM
FLT PWM
O
5
5
5
55 NC
No connection
-
0
0
0
56 TEST
POINT
GA-IN
I
5
5
5
57 NC
No connection
-
0
0
0
58 NC
No connection
-
0
0
0
59 BEEP
Beep output
O
0
0
0
60 NC
No connection
-
0
0
0
61 PWN
PWM
O
0
0
0
62 AUTO P
Auto Preset
O
5
5
5
63 FLT
RESET
FLT reset
O
5
5
5
64 KS0
Key scan 0
O
0
0
0
65 KS1
Key scan 1
O
0
0
0
66 KS2
Key scan 2
O
0
0
0
67 KS3
Key scan 3
O
0
0
0
68 KS4
Key scan 4
O
0
0
0
69 NC(RX)
No connection
-
0
0
0
70 NC(TX)
No connection
-
0
0
0
71 EN A
Encoder A
I
0
0
0
72 EN B
Encoder B
I
5.1
5
5
73 KI1
Key return 1
I
5.1
5.1
5.1
74 KI2
Key return 2
I
5.1
5.1
5.1
75 KI3
Key return 3
I
5.1
5.1
5.1
76 KI4
Key return 4
I
5.1
5.1
5.1
77 KI5
Key return 5
I
5
5.1
5.1
78 NC
No connection
-
0
0
0
79 CD EJ
CD disc eject SW
I
5.1
5.1
5.1
80 POW SW Power switch
I
5.1
5.1
5.1
81 ILL DET
Illumination detect
I
5
5
5
82 GND
Ground
-
0
0
0
83 LED LCK
LED LCK
O
0
0
0
84 LED CLK
LED clock
O
0
0
0
85 LED
DOUT
LED data out
O
0
0
0
86 FLT CS
FLT chip select
O
4.6
4.8
4.8
87 FLT CP
FLT clock
O
4.9
5
5
88 FLT DA
FLT data
O
0
0
0
89 DC-
DC_250H
z
z
DC-DC control
O
5.1
5.1
5.1
90 P
CONT(AC
C)
C)
Power control
O
5.1
5.1
5.1
91 FLT
CONT
FLT control
O
5
5
5
92 ACC ON
ACC on
O
5
5
5
93 NC
Not used
-
0
0
0
94 NC
Not used
-
0
0
0
95 SIYOU
Spec 0
I
5.1
5.1
5.1
96 SIYOU1
Spec 1
I
5.1
5.1
5.1
97 SIYOU2
Spec 2
I
5.1
5.1
5.1
98 TEL
ON(EXT)
Spec 3
I
0
0
0
99 VDD
+5V power supply
-
5.1
5.1
5.1
100 GND
Ground
-
0
0
0
Note :
Voltage measuerments are with respect to ground, with a
voltmeter (Internal resistance : 10M ohms.)
voltmeter (Internal resistance : 10M ohms.)
8 TERMINALS DESCRIPTION
7
NISSAN / CQ-EN7160Z / CQ-EN7161Z
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