Read Panasonic CQ-C1303NE Service Manual online
IC601 : LC7237819D09
Re
f.
No
f.
No
.
Part No.
Part Name &
Description
Description
I/O(V)
FM(
V)
AM(V
)
CD(V
)
1
XIN
4.
5
MHz
X’tal
and
Connection
I
2.5
2
2
2.54 2.53
2
TEST2
GND connection
I
0
0
0
3
VREG
Bypass condenser
connected.
connected.
O
2.9
4
4
2.95 2.95
4
VSSCPU
GND connection
-
0
0
0
5
N.C.
(CDC_DATA)
(CDC_DATA)
None
-
-
-
-
6
N.C.
None
-
-
-
-
7
N.C.
(CDC_CLK)
(CDC_CLK)
None
-
-
-
-
8
CDC_REM_OU
T
T
CD changer Remote out
O
0
0
0
9
LCD_DO
LCD data output
I
5.2 5.21 5.21
10
LCD_DI
LCD data input
O
5.0
1
1
5.04 5.01
11
LCD_CLK
LCD clock
O
5.1
4
4
5.16 5.16
12
LCD_CE
LCD chip enable output
O
0.1
7
7
0.17 0.17
13
CD_DO
CD data output
I
5.3
6
6
5.38 3.9
14
CD_DI
CD data input
O
0
0
4.74
15
CD_CLK
CD clock
O
4.9
6
6
4.98 4.96
16
CD_CE
CD chip enable
O
0
0
1.57
17
CD_LM+
CD eject
O
0
0
0
18
CD_LM-
CD loading
O
0
0
0
19
CD_S/L
CD 24PIN connection
O
0
0
5.19
20
SUB_RDY
CD INTB1 connection
I
0.1
2
2
0.1
5.22
21
CD_INSW1
CD insert SW input
I
0.1 0.1
0.1
22
CD_SW2
CD MECHA SW2
I
5.1
5
5
5.7
0.1
23
CD_LIMIT_S
W
W
CD limit SW
I
0
0
5.17
24
CD_MUTE
CD Mute
I
5.3
3
3
5.35 5.35
25
CD_RST
CD reset
O
0
0
5.13
26
CD_DMUTE
CD_BATT
O
0
0
5.18
27
N.C.
(CDC_CNT)
(CDC_CNT)
None
-
-
-
-
28
N.C.
None
-
-
-
-
29
PANEL
Panel detect
I
5.2
1
1
5.22 5.22
30
N.C.
GND connection
I
0
0
0
31
N.C.
GND connection
I
0
0
0
32
N.C.
GND connection
I
0
0
0
33
N.C.
None
-
-
-
-
34
N.C.
None
-
-
-
-
35
N.C.
None
-
-
-
-
36
N.C.
None
-
-
-
-
37
N.C.
None
-
-
-
-
38
N.C.
None
-
-
-
-
39
VDDPORT
Power supply of PORT
-
5.1
7
7
5.19 5.19
40
VSSPORT
GND of PORT
-
0
0
0
41
N.C.
None
-
-
-
-
42
N.C.
None
-
-
-
-
43
N.C.
None
-
-
-
-
44
N.C.
None
-
-
-
-
45
N.C.
None
-
-
-
-
46
N.C.
None
-
-
-
-
47
N.C.
None
-
-
-
-
48
N.C.
None
-
-
-
-
49
PWR_CNT
Power control
O
5.1
5
5
5.17 5.17
50
AMP_CNT
Amp stand-by
O
5.1
5
5
5.17 5.17
Re
f.
No
f.
No
.
Part No.
Part Name &
Description
Description
I/O(V)
FM(
V)
AM(V
)
CD(V
)
51
AMP_MUTE
Amp mute
O
5.1
7
7
5.19 5.19
52
N.C.
None
-
-
-
-
53
SSC
Tuner
search
sensitivity change
O
0
0
0
54
AF_MUTE
AF mute
O
5.1
7
7
5.19 5.19
55
I2C_DATA
Electronic VOL data
O
5.1
7
7
5.19 5.19
56
I2C_CLK
Electronic VOL clock
O
5.1
7
7
5.19 5.19
57
ANT_CNT
Motor antena control
O
5.1
7
7
5.19 0
58
POWER_LED
Power LED
O
0.1
5
5
0.16 0.13
59
N.C.
None
-
-
-
-
60
N.C.
(
BZ_OUT )
None
-
-
-
-
61
N.C.
None
-
-
-
-
62
N.C.
None
-
-
-
-
63
N.C.
None
-
-
-
-
64
N.C.
None
-
-
-
-
65
N.C.
None
-
-
-
-
66
TEL_MUTE
External MUTE input
I
0
0
0
67
BATT
Battery detection
I
5.1
9
9
5.2
5.2
68
MODE_B
ROTARY B input
I
5.1 5.17 5.17
69
RDS_CLK
RDS clock
I
0
0
0
70
REM_IN
Remocon data input
I
5.1
2
2
5.14 5.12
71
MODE_A
ROTARY A input
I
5.1
6
6
5.17 5.16
72
N.C.
(CDC_STB)
(CDC_STB)
None
-
-
-
-
73
NC
None
-
-
-
-
74
MONO
Compulsion MONO ON
O
0
0
0
75
AM_MODE
AM change
O
8.1
9
9
0.13 8.24
76
FM_MODE
FM change
O
0.1
3
3
8.18 8.24
77
N.C.
GND connection
I
0
0
0
78
INIT_C
Initial value C
I
0
0
0
79
INIT_B
Initial value B
I
5.1
5
5
5.17 5.17
80
INIT_A
Initial value A
I
1.9
3
3
1.94 1.94
81
VSS
GND connection
-
0
0
0
82
RDS_DATA
RDS data
I
0
0
0
83
ST
FM stereo input
I
5.3
7
7
5.38 5.39
84
SD_FM/AM
Signal detection
I
3.3 3.28 0
85
N.C.
GND connection
I
0
0
0
86
RESET
Reset Input
I
5.2
(PW
R
OFF
)
(PW
R
OFF
)
5.2(
PWR
OFF)
PWR
OFF)
5.2(
EJEC
T)
EJEC
T)
87
ACC
Power supply
I
5.4 5.4
5.41
88
N.C.
GND connection
I
0
0
0
89
N.C.
GND connection
I
0
0
0
90
FM/AM_IFC
FM/AM IF input
I
1.4
6
6
1.47 0
91
N.C.
GND connection
I
0
0
0
92
SUBPD
None
-
-
-
-
93
VDDPLL
Power supply of PLL
-
5.1
8
8
5.19 5.2
94
N.C.
GND connection
I
0
0
0
95
OSC_FM/AM
FM/AM osc input
I
1.4
6
6
1.39 0
96
VSSPLL
GND connection
-
0
0
0
97
N.C.
None
-
-
-
-
10 TERMINALS DESCRIPTION
10.1. Main Block
6
CQ-C1303NE
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