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Venus DR-4020 Assemble Instructions page 4

Dual band qrp digital

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ITEM
Electrolytic
capacitor
Electrolytic
capacitor
Inductor
Transistor
Transistor
Regulator
Regulator
AF transformer 600:600
Inductor
Power switch
Toroid inductor T37-2
Toroid inductor 8:2
Enameled wire
Power jack
40 inductor
20 inductor
BNC
Transistor
M3*8 screw
M3 nut
Insulation pad
Insulation
grain
Power switch
cap
Encoder knob
Control board
M3*5 screw
Enclosure
Power cord
AF cable
The component list has been arranged according to the order of the components, as long as they
are installed in the order of the list. The components with the direction indicated in the list
must be soldered in the direction of the silk screen on the PCB. Do not solder Q11 first!
Part number
10uF
Polar
100uF
Polar
4.7uH
DTC143ZSA
Polar
2N4401
Polar
78L05
Polar
78L06
Polar
10uH
PS-22F02
0.4mm
005/022B
7*7
marks 5
7*7
marks 2
BNC-KWYE
IRF510
Polar
平头
QTY
Marks
2
C23、C28
3
C29、C30、C43
2
L1、L2
7
Q1、Q2、Q3、Q4、Q5、Q6、Q7
3
Q8、Q9、Q10
1
78L05
1
78L06
2
T1、T2
1
L7
1
S1
2
L8、L9
1
T3
2
Red and Yellow(inductor/tranfo)
1
(+V12)
2
L3、L4
2
L5、L6
1
ANT
1
Q11
1
fix Q11
1
fix Q11
1
fix Q11
1
fix Q11
1
1
1
Assemble and tested
9
Fix enclosure/front panel
1 set Panels + enclosure
1
2

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