JVC NX-MD1R - Page 45

NX-MD1R/NX-MD1
1-45
+
–
GND
B.P.F
VCC
Amp.
Limiter
Integrator
Comparator
Demodulator
1. Block diagram
GP1U271X (IC721) : Receiver for remote
DATA
1
2
3
IN B
IN A
Vss
5
4
VDD
OUT X
A
B
Vcc
GND
Y
TC7S08F (IC340) : Buffer
1. Terminal layout 2. Block diagram
TK11140SC (IC485) : Regulator
Co
GND
NB
1
2
3
5
4
VI
VO
1.Terminal layout
2.Block diagram
5
4
3
VI
Co
550kΩ
GND
VO
NB
-
+
-
+
Thermal
sensor
Bandgap
reference
12