Alinco DX-70, Service Manual

Page: 26 / 116

2) MC3357 (XA0063)
Low Power FM IF
Vcc=
6
V
F=10.7MHz
Icc 3mA
Limit 5^-V -3dB
Vo 350mV Dev=+/-3KHz
Crystal Osc.
C
=
1
16
ZZ3
RF Inpul
Crystal OSC.
cz:
2
15
ZZD
GND
M «e f Output
c z
3
14
ZD
Audio Mute
Vcc
c z
4
M
C3
35
7
13
ZD
Scan Control
Limiter Input
CZ 5
12
ZD
Sooettft input
Decoupling
CZ 6
11
ZD
Rlter Output
Limrler Output
CZ 7
10
ZD
FHIer Input
Quad Input
CZ
8
9
Demodulate*
Output
3) M5218FP
(XA0068)
Dual Low Noise
Operational Amplifiers
Output 1 1 C
Inverting Input 1 2 C
Non Inverting Input 1 3 I
Power Supply Minus
4
I
W
if
] a Power Supply Plus
]
7
Output 2
]6 Inverting Input 2
D
5
Non Inverting Input 2
4) NJM78L08UA (XA0075)
8V Voltage Regulator
U U U
Output Common Input