Alinco DJ-X3, Service Manual, Page: 12 / 35

12
6) TK11816M (XA0665)
6
5
4
1
2
3
V
IN
DK
V
OUT
Pin Assignment
Block Diagram
5
6
4
1 2
3
V
IN
GND
OSC
DK
V
OUT
T
1
Feed back
control
Ref.
Voltage
Start-up
Circuit
Oscillator
V
IN
OSC
DK
7) TK10931V (XA0666)
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
AM
DET
RSSI
RECT
COMP
AMP
AGC
V
ref
Vcc
AM
AMP
FM
AMP
FM DET
MIXER
OSC
RF INPUT GND COMP
OUTPUT
COMP
INPUT
NOISE AMP
OUTPUT
NOISE AMP
INPUT
AM AGC
INPUT
AGC AMP
OUTPUT
RF AGC
OUTPUT
RSSI OUTPUT AM SW AM DET
OUT
OSC(B) OSC(E)
MIX OUTPUT
Vcc
AM IF INPUT
DECOUPLING
FM IF INPUT
DECOUPLING DECOUPLING
LIM OUTPUT
QUAD INPUT
FM DET
OUTPUT
Pin Assignment / BLOCK Diagram (Top View)