LENOXX CA-305, CA-325 Schematic
54321
6
R7 22K
1
R8
22K
2
R6
Q1
1
D
LED-SW
8050
22K
3
4.3V
R1 4.7R
+5V
AUX1
C
AUX-IN
R4
2K
IR
5/2.0
C1
106
12345
R29 100K
R26
R27 4.7K
IR
106P
R9 20K
C14
4.7K
C19
105
FM OSC
C15 105
R34
47K
IN
+3.3V
32
Q2
ST2301
R10
10R
LED5V
ADKEY1
VCC
C30
106P
1
CNLED1
2
2/2.54
USBDP
STB1
BAT-DET
LED-SW
DATA1
CLK1
L SCL
MC
101P
C29
Y1
32.768K
XO
XI
REC
C31 104
C16105
C37225
C17105
C38225
C2 106
+3.3V
USBDM
4.3V
RVDD
VDDCORE
VOUT
44
46
47
43
45
48
RVDD
VDDIO
1
USBDM
USBDP
P20
P21
P22
P23
P24/P25
P26
IRTCWKO
IRTOSCO
IRTOSCI
VDDRTC
MICIN
VDDLDO
VDDCORE
U1
CW6686C
2
3
4
5
6
7
8
9
10
11
12
VCM13DACVSS14VDDHP15NC/VOUTL16VOUTR17P01/VCMBUF18P0019P3520P1721P1322P1623P33
FM IN
DACL
DACR
VCM
VDDHP
AGND
C21
C22
105
105
C32 104
AUX IN
C53
102
R36
LED5V
470R
DACR
DACL
+3.3V
SPI CS
0R/100MHZ
R37
R42
C20
R38
105
10K
R39
10K
C27
105
42
VOUT2V1
AUX IN
1
2
3
240R
41
VSSLDO
MUTE
DAC RL
C3
C41
C18
100UF/10V
105
4.3V
XO P
XO N
39
38
40
LX
XO-P
BVIN
XO-N
VCC-VCO
GND-ANT
GND-ANT
SPI1CLK/P05/NC
SPI1DO/P04/NC
SDCLK/P30
SDCMD/P31
SDDAT0/P32
IR
MIC KEY
ADKEY1
U3
CS
DO
HOLD
WP
GND4DIO
FLASH
C42
9P
106
2 1
RVDD
37
RXTX
VCC-IF/VCC-XO
VCC-RF
VDDQ
P36/NC
24
ADKEY2
3V3
SCK
4
Y2 26MHz
8
7
6
SPI CLK
5
SPI DAT
C43
3
9P
C44 0R
+3.3V
R13 0R
L1
NC
BTANT1
ANT2
1
2
L2
NC
C46
C45
101
DATA1
CLK1
STB1
+5V
R43
SD CMD
2.2R
SD CLK
C5
SD DAT
106
R44 4.7R
R46
10K
C55
+
C56105
-
100uF
R5
2K
R14
C47
51K
101
101
1
2
3
R48
4
10K
R47
10K
TF1
TF
1
DAT2
2
CD/DAT3
3
CMD
4
VDD
5
CLK
6
VSS
7
DAT0
8
DAT1
9
DET
5
6
7
8
SEG A
9
SEG B
10
SEG C
11
SEG D
12
SEG E
13
SEG F
SEG G SEG H
1011121314
15
R11
0R
C39
225
36
VCO
35
GND
34
RXTX
33
GND
C40
32
RVDD
31
RVDD
225
30
SPI CS
SPI CLK
29
28
SPI DAT
27
SD CLK
26
SD CMD
25
SD DAT
C4
106
LED显示
LEDA1 CON12
1234567891011
SEG A
SEG B
OSC
Grid1
DI/O
Grid2
CLK
U4
STB
SM1628C
Key1
Grid3
Key2
Grid4
VDD
Seg1/Ks1
Seg2/Ks2
Seg14/Grid5
Seg3/Ks3
Seg13/Grid6
Seg4/Ks4
Seg12/Grid7
Seg5/Ks5
Seg10/Ks10
Seg6/Ks6
Seg9/Ks9
Seg7/Ks714Seg8/Ks8
SEG C
Gnd
Gnd
Gnd
Vdd
SEG D
SEG E
SEG F
SEG G
28
27
26
25
24
23
22
21
20
19
18
17
16
15
R15
47R
COM A
COM B
12
R1647R
R17
R18
R19
47R
47R
COM C
COM D
COM A
COM B
COM C
COM D
COM E
COM F
COM G
SEG J
SEG I
47R
COM E
C57
2.5K/100MHZ
VCC
FM IN
106
L5
DAC RL 1/2VCC
R45 10R
4558VCC
R30
100K
C6
1/2VCC
106
C58
R31
100UF/10V
100K
+3.3V
47K
C49
R21
R20 47K
C48
C23
C59
105
R35
472
22K
TRE1
B50K
vol1
B50K
C61
153
+3.3V
R64
R65
10K
10K
R66 10K
CON2
1
2
3
3/2.0
R67
10K
MIC KEY
3
b
R61
22K
ADKEY1
ADKEY2
R63 1K
mic1
3
3
MIC KEY
2
2
B
PHONEJACK
1
1
CON1
GND
4
3
WIRELESS_KEY
2
1
105
C25
106
C71
4/2.54
C26 105
C72
R60
102
22K
10R
R2
VCC
R28 22K
R58
C54
102
4.7K
MICin
MICin
WIRELESS_KEY
C75
100UF/10V
R75 2.2R
+5V
+3.3V
2
c
Q4
e
S8050
1
USB1
1
USBDM
2
USBDP
3
4
MICin
out 2.7v
R76
out 0v
1K
MIC_DET
C74
106
不显示
显示话筒符号
1/2VCC
4558VCC
84
R55
C8
100K
106
3
1K
C76
R77
+
105
2
-
R78
C77 101P
KIA4558
M1
U5
C9
1
C28
106
100K
R69
R68
10K
50K
micvol1
C60
10K
105
472
M1
echo1
B50K
R12 0R
10K
R71
R72
10K
R62
22K
C79
475
R80
5.6K
C80
475
R79
R70
15K
10K
C82
C81
332
103
C78
100uF/10V
VCC
BATT1
1800mA
7.4V
DC1
A
DC IN
POWER PCB
D1 1N5819
DC IN
2
3
1
L6
R40
1K
R86
68K
0R
3
KS1
12
POWER
Q5
8550
2
c3e
R41
b
1K
1
C73
102
2200uF/16V
D2
RED
VCC
R87
C36
C89
200K
104
BAT-DET
R56
100K
1 3
L7 10R
LM7805
U8
2
220UF/10V
2.2R
R23
+5V
C90
MUTE
out 3v
out 0v
AMP_IN
R88
NC
C65
C66 474
R74 10K
474
R90 0R
C94
332
33K
R32
R33
C11 106
12345678
16
33K
C12
U9
106
FT2705P
9101112131415
C69
105
L9
L8 10UH/0R
10UH/0R
C95 106P
C91
102
IN
C93
475P
C92
102
TR SP1
4R10W
SPK1
4R30W
话筒优先打开
1 2 3 4 5 6
R73
10K
R22
224
224
C62
101
C64
474
C83 561
D4
D3
5819
E1
ANTENNA
C52
L4
L3
NC
100NH
NC
C51
收音
102
R49 3.3K
MIC
R50 10K
R81
CN1
5/2.0
R51
22K
R83
4K7
LPF1-IN
LPF1-OUT
LPF2-OUT
LPF2-IN
OP2-OUT
OP2-IN
OP1-IN
OP1-OUT
10K
U2
1
VCC
SDA
2
ALO
SCL
3
ARO
GND
4
AGND
XLCK
RFI5INT
QN8035
IN
1
2
DATA1
3
L SCL
4
LED5V
5
R53
100K
106
C7
5
+
6
-
KIB4558
R54 100K
C63
224
2
Q3
c
b
e
S8050
1
U7
1
VCC
2
REF
3
AGND
4
DGND
5
CLK-O
6
VCO
7
CC1
8
CC0
PT2399
3
b
R89
220K
2.2R
C50
106
105
C24
REC
16
C84
15
561
14
13
12
C33
11
104
10
C34
9
104
5819
C13
106
2
MC
话筒优先解除
R82
10K
c
3
b
e
Q6
8050
1
Title
Number RevisionSize
C
Date: 3-Nov-2016 Sheet of
File: E:\K52\K52L.DDB Drawn By:
R24 1K
10
FM DAT
FM SCL
R25
FM OSC
SD DAT
SD CMD
1K
9
8
7
6
D
C
C67 105
7
IN
MIC_DET
R57
22K
R59 33K
474
C68
R3
10R
C35
104
R85
18K
AMP_IN
472
C70
R52
10K
C88
104
+5V
B
U5
3
C87
C10
106
100UF/10V
C85
C86
224
224
MIC
R84
470R
2
c
Q7
e
8050
1
A
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