SMD parts Soldering instruction:


DDS unit
1
78L05
 2
78M05
 3
9850
4
A08
 5
D1
 6
HC165
7
LM324
 12
ZENER DIODE
 13
ZENER
10
S6
 11
TAN
 8
RESISTOR
9
RFC1
 30
TAN SOLDER
 33
RESISTOR SOLDER




Main board unit

14
3357
 15
3357
 16
ALU
17
C20
 18
D10
 19
IM386
20
IM386
 21
NE555
 23
NE555
24
RFC1
 25
T1
 26
T4
27
U1
 28
VR1
 29
ZENER DIODE
30
SOLDER DIODE D10
 31
SOLDER C20
 33
SOLDER DIODE M7
35
SOLDER RFC1
 36
SOLDER TRANSISITOR
 37
SOLDER U6
37
SOLDER U7