2014/
03/
05
A
P
8
048+
7388+
B
T
MODEL:
SHEET
1/1 A3
DATE
华高嘉科技电子
LEVEL SCH
BT SCH
无需蓝牙功能时可选择不要此电路
无需真频谱功能时可选择不要此电路
在线升级接口
C623
224
C622
224
C620
224
C621
224
R629
3K3
R630
3K3
C616
272
C615
272
BASS
TREBLE
SCL
SDA
DGND
FL
FR
RL
RR
Rou
Rin
Lou
Lin
Lou
Lin
Lin1
Lin2
Lin3
LOU(L)
Rin1
Rin2
Rin3
LOU(R)
Rou
Rin
R
L
GND
VDD
CREF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
IC601
SC7313
R631
470R
R632
470R
C614
225
C619
225
C666
224
C665
224
C612
225
C117
225
C613
225
C116
225
C301
225
C302
225
C31
104
C30
104
R308
5K6
C307
104
C18
225
C19
225
R31
4K7
R32
4K7
C22
102
C21
102
R9
10K
R22
4K7
R23
4K7
C39
104
R34
NC
R35
NC
C2
104
R61
470K
R62
100K
R63
100K
R64
10K
C13
105
C14
105
C27
105
D3
IN4148
D4
IN4148
R65
2K7
C59
105
C28
225
C32
225
C33
225
C34
225
12
PIO[3]
11
SPL[R]
10
SPK[L]
9
GND
8
MIC[L]
7
GND
6
5V
5
GND
4
LED[1]
3
LED[0]
2
PIO[1]
1
PIO[0]
BT2
蓝牙接口
R69
2K2
R70
2K2
R79
470R
R81
470R
R83
1K
R95
0R
R98
4R7
R44
22K
C12
104
R6
4.7R
EC3
47UF/16V
C5
225
C9
225
R14
47K
R15
47K
C15
102
C29
102
Q5
9014
FB11
100R@600MHZ
EC7
47UF/16V
EC12
47UF/16V
C37 10uF
3
IN
2
1
OUT
IC3
R80
10R
R82
10R
EC4
47UF/16V
C16
10uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CON1
SOCK17PA
C805
102
C806
102
C801
225
C802
225
C311
104
C804
225
C803
225
C808
102
C807
102
D801
1N5401
R801
4K7
R802
4K7
R803
4K7
R804
4K7
R814
1M
R816
1M
D80
1N4001
L91
EI28
3-4B+
1-2B+
ST-BY
SGND
SVR
HSR
D+
D-
C+
C-
B+
A+
A-
B
D
C
A
30K
30K
30K
30K
Vref
Vref
DIAGNOSTIC
MUTE
-
+
+
-
-
+
+
-
-
+
+
-
-
+
+
-
B-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
IC801
C814
474
R819
100K
R820
10K
R837
100K
R817
1M
R815
1M
R841
10K
R842
10K
R843
10K
R844
10K
6
7
8
9
10
11
13
14
3
4
1
2
12
15
5
1
1
GND
2
GND
3
B+IN
4
B+IN
5
ACC
6
RL+
7
RL-
8
FL+
9
FL-
10
FR-
11
FR+
12
TEL
13
RR-
14
RR+
15
P.ANT
ISO_SOCK
Q17
9014
R228
4K7
EC18
4.7UF/16V
R229
4K7
EC19
47UF/16V
R231
4R7
R243
10K
R244
10K
C247
104
1
3
2
4
RESET_SW
C101
225
C102
225
R105
2K2
R104
2K2
R107
4K7
C106
272
R106
4K7
C105
272
C1
22P
L6
120NH
L7
120NH
L8
4.7uH
Q2
9014
R1
220K
R2
1K
C7
474
C44
474
C45
104
C46
20P
C47
20P
X1
32.768K
C38
47uF/16
R3
10K
C54
102
C55
3P
1
DOUT
2
DFS
3
DCLK
4
INT
5
GPO1
6
NC
7
NC
8
FMI
9
RFGND
10
NC
11
NC
12
AMI
24
LOUT
23
ROUT
22
GND
21
VDD
20
VIO
19
RCLK
18
SDIO
17
SCLK
16
SEN
15
RST
14
GND
13
GND
U4
SI4731 SOP24
Q12
3875
C42
102
R21
22K
Q13
3875
R5
270K
R7
680R
R72
2K2
C48
225
Q14
3875
R74
270K
R11
680R
R76
2K2
C49
225
C50
10uF
R77
100R
C51
NC
C52
5P
R24
10R
1
3
2
ANT1
AMTT-3
1
GND
2
D1
3
D0(DATA)
4
GND
5
CLK
6
VDD
7
MMC_CD
8
VSS
9
CMD
10
D3(RSV)
11
D2
12
WP
SD1
1
2
3
Q6
D882
1
2
Z1
10V
C3
104
C4
220UF/16V
1
2
3
Q3
2SC3904
R27
4K7
R28
47K
R30
4K7
OUT
IN
3
2
1
U1
EC1
100UF/10V
C40
104
C53
104
R42
100R
R68
100R
R43
22K
R45
22K
C67
225
C68
225
FR
GND
FL
RCA
R46
10R
D1
IN4148
D11
IN4148
Q10
3904
Q11
3904
R8
4k7
R16
4k7
R17
4K7
R18
4K7
R66
1K
Z2
7V5
R67
1K
Q1
8050
R20
1K
R26
100K
C17
105
4
GND
8
VCC
1
A0
2
A1
3
A2
7
WP
6
SCL
5
SDA
U3
24C02
R19
100R
R29
100R
R37
2R2
C8
104P
1
3
2
Q7
PNP
Q8
PNP
R38
47k
R39
47k
R40
10K
R41
10K
C20
104
R47
470K
R48
10K
R49
470R
R50
10K
R51
470R
R52
10K
R53
470R
R54
10K
C25
104
R60
4.7R/NC
EC2
3300UF/25V
1
2
3
4
5
6
7
8
9
10
11
12
XF1
XF_TDA7703/6621
R55
10R
R56
10R
R57
100K
R58
470R
R59
470R
C36
106
C58
104
D2
4001
R4
NC
R25
NC/100R
1
2
3
U2
78L05
R33
NC/100R
C41
104
EC10
47UF/16V
1
GP_C0
2
GP_C11
3
GP_C12
4
GP_C13
5
GP_C14
6
DACAVSS
7
DACVMID
8
DAC_R
9
DAC-L
10
DACVDD
11
MICIN
12
XIN
13
XOUT
14
LDO33O
15
LDOIN
16
POWER_KEY
17
COREVDD
18
DCOVDD
19
DVSS
20
GP_A10
21
GP_A13
22
GP_A14
23
GP_A15
24
GP_A16
25
GP_A17
26
GP_A18
27
GP_A19
28
GP_A20
29
GP_A21
30
GP_A22
31
GP_A23
32
GP_A24
33
GP_A25
34
GP_B5
35
GP_B6
36
GP_B7
37
GP_B8
38
IOVDD
39
GP_B20
40
GP_B22
41
GP_B23
42
GP_B24
43
GP_B25
44
GP_B26
45
GP_B27
46
GP_B28
47
GP_B29
48
GP_B31
U5
1
VDD
2
GND
3
DA
4
CLK
J2
C95
104
C60
104
C62
104
2
1
X2
32.768KHZ
Q4
PNP
R12
NC/100R
1
/CS
2
SO
3
/WP
4
VSS
5
SI
6
SCK
7
/HOLD
8
VCC
U8
25Q1681
C6
10UF
C10
33P
C11
33P
R10
10K
R13
2K2
C24
106
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CON2
FPC1.0-17P
1
2
3
Q9
8050
POW+9V
USB/SD_R
USB/SD_L
USB/SD_R
USB/SD_L
AUX-R
AUX-L
R_OUT
L_OUT
VDD3V3
IC2_SDA
IC2_CLK
DAC_R
DAC_L
ACC_DET
IC2_CLK
IC2_SDA
R_OUT
L_OUT
LEVEL
IC2_SDA
IC2_CLK
RADIO-RST
VOL
BT-
P
0/
RX
BT-P1/TX
BT_L
BT_R
POW+9V
BT-MIC
POW
+
12V
VDD3V3
RADIO-L
RADIO-R
RA_DA
RA_CLK
RA-RST
VDD3V3
BT+5V
RR-OUT
RL-OUT
FR-OUT
FL-OUT
RR-
RR+
FR-
FR+
FL+
FL-
RL+
RL-
RL+
RL-
FL+
FL-
FR-
FR+
RR-
RR+
POW
+
12V
B+12V
MUTE
ACC_IN
B+12V
BEEP
FL-OUT
FR-OUT
RL-OUT
RR-OUT
RADIO-R
RADIO-L
RD+
+9V
SD_CMD
SD_CLK
SD_DA
SD_DET
GND
GND
POW+9V
GND
SYS_POW
E
R
POW+12V
POW+5V
FR-OUT
FL-OUT
VDD3V3
POW
+
5V
KEY1
VOL
AUX-L
LCD-
CE
AUX-R
LCD-
CLK
LEDB-
V
DD
LCD-
DA
USB_DP
KEY2
USB_DM
REM
RA_DA
RA_CLK
RA-RST
BT-MIC
VDD3V3
LEDR-
VDD
LEDB-OFF/ON
LEDR-OFF/ON
ACC_IN
ACC_DET
VDD3V3
IC2_CLK
IC
2_
S
D
A
LEDR-VDD
LEDB-VDD
POW+9V
RADIO-RST
KEY2
KEY1
VDD3V3
LCD_DA
LCD_CLK
LCD_CE
LCD-DA
LCD-CLK
LCD-CE
AMI
FM_RF
RD+
RD-L
RD-R
RESET
RD-L
RD-R
F-ANT
F-ANT
RA-RST
RA_CLK
RA_DA
RDSI
RD+
B+12V
POW+12V
RD+
B+12V
VDD3V3
BT_L
BT_R
SD_DA
SD_CLK
SD_CMD
USB_DP
USB_DM
VOL
KEY2
KEY1
VDD3V3
BT-P
0/RX
BT-P
1/TX
IC
2_
S
D
A
IC
2_
C
L
K
BT_R BT_L
DAC_R
DAC_L
VDD3V3
DACVMID
IR
DCOVDD
COREVDD
VDD3V3
DACVMID
DCOVDD
COREVDD
SYS_POWER
MUTE
LEVEL
BEEP
SPI_W
P
SPI_M
OS
I
SPI_CLK
LEDR-O
FF/O
N
LEDB-O
FF/O
N
LCD_CE
LCD_DA
LCD_CLK
SPI
_
CS
SPI
_
M
ISO
REM
IR
SD_CLK
B+12V
POW+12V
RD+
POW+5V
+9V
SPI_CS
SPI_MISO
SPI_WP
SPI_MOSI
SPI_CLK
SPI_HOLD
VDD3V3
SPI_HOLD
RDSI
RADIO-RST
ACC_DET
SYS_POWER
RESET
REM
USB_DM
KEY2
USB_DP
LCD-DA
LEDB-VDD LCD-CLK
AUX-R
LCD-CE BT-MIC
VDD3V3
AUX-L
VOL KEY1
LEDR-VDD
POW+5V
VDD+5V
VDD+5V
SCHEMATIC DIAGRAM (MAIN BOARD)