Read Panasonic CQ-JN9060X / CQ-JN7060X (serv.man2) Service Manual online
7.1. Main Block
IC601 : C2BBGF000188
Pin
No.
Port
Description
I/O
(V)
1
BAT DET
Battery level detection
I
3.8
2
ACC DET
ACC level detection
I
3.9
3
NC
No connection
-
-
4
REQ
N-BUS request
I
0
5
NC
No connection
-
-
6
M1-A
Tape main motor control
O
0
7
M1-B
Tape main motor control
O
0
8
CD-SOM
CD serial data
I
0
9
CD-SIM
CD serial data
O
1.4
10
CD-SCKM
CD clock
I
4.9
11
CD.ON
CD controller enable
O
5.0
12
CD-RESET
CD reset
O
5.0
13
DOLBY
Dolby control
O
0
14
MS-PL/FF
MS mode control
O
0
15
A/B.OUT
Forward/Reverse control
O
0
16
EQ
Metal tape detetion
I
0
17
NC
(Connecting to ground)
-
0
18
NC
(Connecting to ground)
-
0
19
VOL.CLK
Electronic volume clock
O
0
20
VOL.DATA
Electric volume data
O
0
21
MUTE
Mute control
O
0
22
AMP.C
Amp. Power control
O
5.0
23
ILL-CNT
Illumination (-) detection
I
0
24
END-A
Tapeend detection
I
2.8
25
END-B
Tapeend detection
I
1.6
26
BIT1
Tape mode swtich
I
5.0
27
AVDD
+5V power supply
-
5.0
28
BIT2
Tape mode swtich
I
4.9
29
BIT3
Tape mode swtich
I
0
30
SD
B/S detection
I
0
31
FM.ST
FM stereo detection
I
0.3
32
AVSS
Ground
-
0
33
REGCPU
Coupling capacitor terminal
I
3.4
34
VDD
+5V poer supply
-
5.0
35
REGOSC
Coupling capacitor terminal
I
1.9
36
X2
Crystal oscillator terminal
-
1.9
37
X1
Crystal oscillator terminal
-
0
38
GND
Ground
-
0
39
SSC
Search stop clear
O
0
40
GND
Ground
-
0
41
AM.IF
AM IF counter
O
0
42
FM.IF
FM IF counter
O
0
43
PLL.VDD
PLL +5V power supply
-
5.0
44
FM.OSC
FM local OSC
I
2.3
45
AM.OSC
AM local OSC
I
1.4
46
PLL.GND
Ground
-
0
47
ED0
PLL error
O
1.3
48
NC
No connection
-
-
49
IC
( Connecting to ground)
-
0
50
/RESET
Reset input
I
4.6
51
GND
Ground
-
0
52
GND
Ground
-
0
53
KI1
Key data input
I
4.8
54
KI2
Key data input
I
4.8
55
KI3
Key data input
I
4.8
56
KI4
Key data input
I
4.8
57
EN.A
Rotary encoder data
I
0
58
EN.B
Rotary encoder data
I
0
59
BEEP
Beep output
O
0
60
NC
(Connecting to ground)
-
0
61
NC
No connection
-
-
62
DISC-ON
Disc indicator LED on/off
O
0
63
KS1
Key strobe
O
0
64
KS2
Key strobe
O
0
65
KS3
Key strobe
O
0
66
KS4
Key strobe
O
0
67
NC
No connection
-
-
68
NC
No connection
-
-
69
RX
N-BUS receive
I
4.8
70
TX
N-BUS send
O
5.0
71
NC
(Connecting to ground)
-
0
72
NC
(Connecting to ground)
-
0
73
SIYOU1
Initial setting value
I
4.8
74
SIYOU2
Initial setting value
I
4.8
75
FLT.CE
FLT drive chip enable
O
0.3
76
FLT.CLK
FLT clock
O
0
77
FLT.DIN
FLT data output
O
1.6
78
POW.SW
Power swtich input
I
4.8
79
CD.EJ
CD disc eject SW
I
4.8
80
TAPE.EJ
Tape eject SW
I
4.7
81
ILL DET
Illumination (-) detection
I
4.8
82
GND
Ground
-
0
83
STBY
Power control IC stand-by
O
5.0
84
D.CLK
Shift clock for D.DATA
O
0
85
D.DATA
Serial data for power cont. IC
O
0
86
NC
(Connecting to ground)
-
0
87
D.LATCH
Data latch for power cnt. IC
O
5.1
88
NC
No connection
-
-
89-93 NC
(Connection to ground)
-
0
94
MSM
Music Sensor mode control (Tape)
O
0
95
MS
Music Sensor detection (Tape)
I
0
96
A/B.IN
Tape side detection
I
0
97
T.LOAD
Tape loading detection
I
0
98
T-IN
Tape-in detection
I
0
99
VDD
+5V power supply
-
5.0
100
GND
Ground
-
0
Note :
Voltage measuerments are with respect to ground, with a
voltmeter (Internal resistance : 10M ohms.)
voltmeter (Internal resistance : 10M ohms.)
7.2. Display Block
IC900 : C0HBB0000007
Pin
No.
Port
Description
I/O
(V)
1
G1
Digit output
O
5.4
2
G2
Digit output
O
5.4
3
VFL
FLT driver power supply
-
12.1
4-56 S53 - 1
Segment output
O
0 or
6.1
57
Vss
Ground
-
0
58
OSC0
CR oscillator terminal
-
2.5
59
OSC1
CR oscillator terminal
-
2.5
60
Vcc
+5V power supply
-
5.0
61
/BLK
Display blanking
I
4.8
62
CE
Chip enable
I
0.3
63
CLK
Shift clock
I
0
64
DATA.IN
Serial data
I
1.6
7 TERMINALS DESCRIPTION
6
NISSAN / CQ-JN9060X / 28188 9Z700 / CQ-JN7060X / 28188 7Z500
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