12 4
3
A
B
C
D
4
3
2
1
D
C
B
ATitle
no
i
si
v
e
R
rebmuNSize
A4
f
o
t
e
ehS3
00
2
-
guA-52:etaD
C11
100uF/16V
C13
0.1U
C5
1U(0805)
R2
22K
1
2
3
4
5
J1
CON5
VR1
30KB VIN 1
GND
2
VOUT
3
U2
LM78D05(SMD)
R25
22/DIP 1/4W
L1
BEAD/DIP
LED3
HIR333
C10
100uF/16V
LED2
HIR333
LED1
HIR333
C14
0.1U
TR IN 1
1
VCO IN 1
2
RES 11
3
RES 12
4
GND
5
TR IN 2
6
VCO IN 2
7
RES 21
8
RES 22
9
GND
10
VCO OUT 2 11
CAP 22 12
CAP 21 13
DTC 2 14
VDD 15
VCO OUT 1 16
CAP 12 17
CAP 11 18
DTC 1 19
VDD 20
U3 HS-9913ST
R21
100K
R9 100K
R28
3.3K
R10 47K
R22
100K
C17
47uF/16V
VR2
10KB R29
3.3K
C16
680P
1A
2
KLED4
HIR333
C15
680P
+5V1
+5V1
C12
100UF/16V
+5V1
Q4
RK7002
R26
22/DIP 1/4W
Q3
RK7002
IR EARPHONE TRANSMITER
2.3MHz
2.8MHz
5
6
7
U1B
LM358
3
2
1
84
U1A
LM358
D2
DAN212K
D1
DAN212K
R30
22K
C8
1U(0805)
Q2
RK7002
R20
47K
DTC
C6
1U(0805)
R17
100K
C7
1U(0805)
Q1
RK7002
R18
47K
DTC
R14
100K
R19
100K
R15
100K
R16
100K
+5V1
R13
100K
+5V1
AUDIO_R
AUDIO_L
AUDIO_OUT_L
AUDIO_OUT_R
C3
1U(0805)
R3
100K
R4
47K
C1 1U(0805)
AUDIO_OUT_L
R7
22K
D4
DAN212K
D3
DAN212K
C4
1U(0805)
R8
100K
R5
47K
C2 1U(0805)
AUDIO_OUT_R
AUDIO_L
AUDIO_R
D5
1N4002
+5V1
R1
0/DIP 1/4W
C9 0.1U