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U
V
0/5.0V
31
CH MUTE
0/5.0V
32
ANT CONT
0/5.0V
33
0/5.0V
DC/DC
34
NC
35
R837
NC
1K
0/5.0V
36
M MOTOR
5.0V
37
VDD
38
X2
X81
12.000MHz
39
X1
12MHz
40
VSS
C806
R838 680K
41
XT2
22P
X82
32.768kHz
32.768kHz
C807
42
XT1
22P
R839 1K
5.0V
43
43
RESET
R841 1K
0V
44
44
BU DET
45
NC
R845 1K
0/5.0V
46
46
ACC DET
0/5.0V
47
47
ILLM OUT
R847
100
0/5.0V
48
48
CH REQC
R849
470
0.7/5.0V
49
49
SC REQ
5V
50
0.5/1.5V
0V
R CLK
5V
0V
5.0V
R855
5.0V
47K
Q609
47K
53
47K
R850 1K
54
50
D903
MUTE
DRV.
BU DET
Q801
R721
R722
Q709
47K
D713
10K
22K
47K
BU
R603 4.7
R604 4.7
Q606
Q607
Q605
R605 4.7
R608 4.7
9.8V
LAMP
AVR
Q608
R609
D602
22K
1
2
3
CN81
W
X
5V
5V
0/2.5/5.0V
0V
5V
0V
0V
IC81
5V
5V
5V
5V
0V
0V
0/5.0V
0/5.0V
0V
0V
0/5.0V
5.0V
76
BU5
Q805
A61
DC/DC
ACC DET
4.4V
Q804
R906
R907
Q904
10K
22K
5
R614
4
22K
1.4V
43
R853
2.2K
5.0V
1
OUT
4
VSS
3
5.0V
2
NC
VDD
IC82
RESET
4
5
6
7
8
9
10
11 12
13
14 15
16
17
18
19 20
Y
Z
AA
2
1
0/5.0V
100
VSS
99
R914 10K
A SEL
R913
98
1K
SCK IC2
98
5V
R911
97
0V
SDA IC2
97
1K
R912 10K
96
0/5.0V
R910 1K
FM SD
96
R900 1K
95
0/5.0V
NARROW
95
94
0/5.0V
R899 1K
WIDE
94
R898 4.7K
93
0/5.0V
IF MODE
93
0/5.0V
R897 1K
92
AFC
92
R888 100K
C818
R923
R887
0.01
470
91
0/5.0V
1K
MODE1
91
R881
90
0/5.0V
MODE2
90
1K
C817
R922
0.01
470
R883 100K
R896 22K
89
0/5.0V
EQ MUTE
89
88
R895 22K
DOLBY
88
R894
10K
R893
87
1K
METAL
87
86
R892 22K
F/R
86
R891 4.7K
85
MSGV
85
R918
22K
R890
5V
1K
84
0V
MUSIC
84
83
MTL OUT
83
82
R886 2.2K
QUAL
82
R885 2.2K
81
R DATA
81
5V
0V
5V
0V
Q802
L61
22uH
89
R610
10.0V
2.2
Q603
1W
0/4.0V
88
L62
Q604
22uH
R12
0/4.1V
Q601
83
R601
10K
0/4.1V
86
470
0/4.4V
85
0/4.7V
84
8.0V
R11
3.7V
4.0V
220K
DC/DC AVR
4.0V
C4
0.039
4.0V
Q3
AB
AC
L13
R101
Q101
3.3uH
1K
A11
Q102
R102
22K
1
RF GND
22K
2
FM ANT
22K
8.0/0V
3
FM 8V
AM ANT
4
L14
FM VCC
R103
Q103
3.3uH
5
1K
AM VCC
6
8.0/0V
Q104
AM LO/DX
7
R105
22K
FM LO/DX
8
22K
IF SELECT
9
22K
9
RDS OUT
AM 8V
10
REQUEST
11
95
K2IVIH
Q107
22K
94
22K
12
VCO GND
13
96
FM SD
14
59
FSD OUT
15
11
FM DET OUT
93
R130 2.7K
16
AM DET OUT
10
/IF MODE OUT
17
COMMON +B
SEPARATION
18
VR11
IF GND
100K
19
HI UP ADJ
13
20
73
PLL CE
21
74
PLL DATA
22
75
PLL CLK
23
P-ON 5V
24
D GND
TUNER
L16
4.7uH
R114
Q108
10K
R117
10K
Q110
10K
D103
Q109
X11
IC13
RDS
R119
C114
5.0V
5.6K
1000P
4.332
MHz
C115
C116
R121
470P
82P
15K
R123
IC12
82K
4.332MHz
4.0V
5
4
GND
4.0V
6
3
2
4.0V
4.0V
7
1
8.0V
8
VDD
C125
4.0V
270P
R127 10K
C122
R126 10K
120P
12
PB. LEVEL
3
R26 430K
R24 16K
C18
0.012
R22
18K
4.0V
0V
R30
C22
150
33u10V
NR
40
11
NFI(R)
ON/OFF
39
+
4.0V
RIN(R)
39
4.0V
38
12
VREF
NOR/MTL
4.0V
13
F/R
37
14
IC1
FIN(R)
37
MSGV
36
15
4.0V
GND
MSOUT
TAPE EQ AMP
35
16
GND
VCC
34
FIN(L)
34
17
MSDET
C12
4.0V
18
33
1u50
MSI
RIP
38
3.7V
+
3.7V
19
32
4.0V
MAOUT
4.0V
RIN(L)
32
20
MSGV(R)
R29
C21
31
150
33u10
NFI(L)
+
4.0V
R21 18K
C17
0.012
R23 16K
R25 430K
VR1
PB. LEVEL
10K
GX-401EF2 (1/2)
AD
W11
ANT.
4.0V
CN1
3
Rch
2
GND
1
Lch
CN2
37
5
F-R
39
4
R-R
38
3
COM
34
2
F-L
32
1
R-L
X25-
CN1
2/2
A
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