Schematics

1 2 3 4 56
A
B
C
D
6
54321
D
C
B
A
Title
Number RevisionSize
B
Date: 18-Jun-2022 Sheet of
File: C:\PROGRAM FILES\DESIGN EXPLORER 99 SE\EXAMPLES\drw00013.DDBDrawn By:
Y1
24M
FM-ANT
RF
C20
105
R20
33K
R21
9K1
R22
15K
R23
24K
R19
6K2
S4
POWER
S2 S3 S5 S6
1
2
3
4
5
J1
R7
22R
R8
22R
R9
22R
R10
22R
Q3
S8050
Q4
S8050
Q2
S8050
Q1
S8050
R12
1K
R11
1K
R6
1K
R5
1K
C21
106
R18
22K
C23
105
C22
105
1 10 2 9 3 8 4 7 5 6
U2
9811/9802
C14
223
C13
223
SPK
2R 5W
C7
106
+
C18
470UF/10V
C16
106
C15
475
C11
NC
R17
47K
R16
20K
24 1
23 2
22 3
21 4
20 5
19 6
18 7
17 8
16 9
15 10
14 11
13 12
U1
1
2
3
4
U-USB
1 2 3 4 5 6 7 8 9
TF-CAR
3V3
R24
3K3
R1
1K
NC
NC
+5V
MIC
R2
6K8
C3
224
R4
2K2
DACVDD
C4
104
C1
104
R3
2K2
C2
NC
VR3
30K
VR2
30K
VR4
30K
R3
20K
R2
20K
C5
106
AUX
AUX-R/L
C11
105
REC
1
2
3
4
5
MC-USB
+5V
12
3
54
U3
4054
C25
105
R33
2K
R32
330R
D2
R-LED
B+
Q7
3401
Q7
S8050
Q5
BT54C
R25
1K
R25
10K
VBATB+
ADKEY
R27
1K
D1
B-LED
AUXREC
AUX
DACVDD
S1
L1
100NH
ADKY
R15
22K
R14
22K
B-
VBAT
VBAT
VBAT
3V3
C19
105
S7
VR1
30K
C24
105
R29
10K
6925B