10
4
4
.
.
3
3
A
A
l
l
p
p
h
h
a
a
3
3
0
0
0
0
0
0
D
D
M
M
o
o
d
d
e
e
l
l
s
s
I
I
n
n
t
t
e
e
r
r
n
n
a
a
l
l
A
A
s
s
s
s
e
e
m
m
b
b
l
l
y
y
K21
~
1
2
3
8
9
10
11
K24
K10
K9
K6
K5
K2
K1
~
7
12
13
14
15
16
6
5
4
K17 K18
K3 K4
K7 K8
K11 K12
K16
K15
K19 K20
K22 K23
K14
K13
(Alpha 3000D2 & D3 Models Receiver Internal View)
1.
Antenna Seat
9. Bottom Relay Board
2.
Receiving RF Module
10. Power Transformer
3.
Decoder Module
11. Input Voltage Selector Seat
4.
Decoder Module Power Display
12. Contact Relay LED Display
5.
Receiver Status LED Display*
13. Terminal Block
6.
SQ Status LED Display*
14. Power Fuses (1.0A)
7.
Power (AC) LED Display
15. AC Power Input
8.
Upper Relay Board
16. MAIN Contact Relay
*
Please refer to page 27 for Receiver and SQ display information