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HT-CN300H
Figure 21 SCHEMATIC DIAGRAM (8/17)
7
8
9
10
11
12
+3.3V
TUNER_L
TUNER_R
AGND
AGND
AGND
CCB_CE0
CCB_CLK
DATA
CCB_DO
CCB_CLK
DATA
CCB_DO
SPN
TUN_SM
RDS_RDCL
RDS_RDDA
RDS_READY
RDS_RST
RDS_RDDA
RDS_READY
RDS_RST
CCB_CE0
CCB_CLK
DATA
CCB_DO
POWER_LEVEL
DGND
PROTECT
THRMO
RLY_W_SP
RLY_S_SP
FAN_CNT
RLY_C_SP
RLY_C_SP
20DB_ATT
RLY_F_SP
RLY_F_SP
SPN
TUN_SM
TUN_SM
RDS_RST
RDS_READY
RDS_READY
RDS_RDDA
RDS_RDCL
RDS_RDCL
FW8
FW9
CON301
TO
TUNER PWB
P27 12-G
P96
P95
P94
P93
P92
P91
P90
BYTE
CNVSS
P87
P86
RESETB
XOUT
VSS1
XIN
VCC1
P85
P84
P83
P82
P81
P80
P77
P76
P75
P74
P73
P72
P71
P70
P67
P66
P65
P64
P63
P62
P61
P60
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P43
P42
P41
P40
P37
P36
P35
P34
P33
P32
P31
VCC2
P30
VSS2
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
PO0
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AVSS
AN0
VREF
AVCC
P97
P06
P05
P04
P03
P02
P01
PO0
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AVSS
AN0
VREF
AVCC
P97
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
14
20
13
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
18
17
16
15
1
8
7
6
5
4
3
2
7
6
5
4
3
2
14
13
12
11
10
13
12
11
10
9
1
1
14
[1]
DSP_INTREQ
[3]
W_SP_RLY
[1]
DSP_ABOUT
[1]
ROM
[1]
DSP_UC17
[1]
DSP_UC16
[1]
DSP_UC15
[1]
SCL
[1]
SDA
[1]
DSP_RESET
[1]
DSP_CS
[1]
DSP_SCCLK
[1]
DSP_SCDOUT
[1]
DSP_SCDIN
+B
B
+B
+B
+B
+B
+B
+B
+B
[3]
TUN_L
[3]
TUN_R
[1,3]
AGND_A
[3]
ATT20DB
[3]
THERMO
[3]
FANCNT
[3]
PROTECT
[3]
POWLEV
[3]
F_RLY
[3]
C_RLY
[3]
S_RLY
[3]
W_RLY
F_BUSY
F_SCLK
F_RXD
F_TXD
RESET
F_VCC
GND
VCC
VCC
F_SCLK
F_RXD
F_TXD
RESET
F_VCC
GND
VCC
VCC
CON301
TO
DISPLAY PWB
P17 12-C
39
40
41
42
40
41
42
42
8
9
10
11
12
13
14
16
15
17
18
19
44
45
46
47
48
49
50
51
50
51
7
FM SIGNAL
1 2 3 4 5 6 7 8 9 10111213141516171819 20 21 22 23 24 25 26 27 28 29 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
R956
47K
R957
47K
R958
47K
R959
47K
CNP708
CNP712
C906
0.022
R910
10K
R911
1K
R915
1K
R914
10K
R913
10K
X901
8.38 MHz
C902
15P
(CH)
C903
15P
(CH)
C905
18P
(CH)
R906
820
R907
10K
C901
0.22
R965 1K
R966 1K
R967 1K
R909 1K
R962 1K
R963 1K
R964 1K
R908 10K
R924 1K
R923 1K
R922 10K
R925 1K
R923 1K
R922 10K
R925 1K
R920 1K
R919 1K
R918 1K
R917 1K
R916 1K
R919 1K
R918 1K
R917 1K
R916 1K
R921 10K
R934 1K
R935 1K
R987 220
R936 220
R935 1K
R987 220
R936 220
R766
10K
R928
10K
R950
10K
R927 10K
R931 10K
R929 1K
R932 1K
R930 1K
R949 1K
R951 1K
R937 1K
R989 1K
R990 1K
IC710
IX0489AW
SYSTEM MICROCOMPUTER
R901 1K
R902 1K
R903 1K
R904 1K
7 1K
8 1K
8 1K
C916
0.022
0.022
15
1
1
R794
100
R905
22
C912
0.012
R960
220K
R912
10K
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