KD-LH3150, KD-LH3100
(No.49838)1-31
4.5 BU4066BCFV-X (IC131) : Quad analog switch
• Pin layout & Block diagram
4.6 RPM6938-SV4 (IC805) : Remote control receiver
• Block diagram
14 13 12 11 810 9
1234 756
VDD C1 C4 I/O4 I/O3O/I4 O/I3
I/O1 O/I1 O/I2 I/O2 VssC2 C3
AMP
AGC
Detector
BPF
I/V
conversion
PD
Vcc
Comp
22k
ohm
magnetic shield
VDD
OUT
GND
for
trimming circuit
3
1
2
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com