EA3GCY DB4020 Manual De Montaje página 10

Capacitors
Checked
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
DB4020 Transceptor QRP SSB doble banda 40 y 20M en kit
R55 22K
R56 10K
R57 10K
R58 1 Ω
R59 1K
R60 22 Ω
R61 22 Ω
P1 10K
P2 10K
P3 1K
P4 10K
P5 10K
P6 100K
Encoder --
Ref. Value
470n
1n
470n
1uF
1n
100n
10uF
100n
100n
33p
33p
33p
33p
33p
100n
100n
220p
1n
100n
1n
1n
1n
100n
100n
10uF
10n
10n
100n
100n
10n
100n
100n
100n
100n
270p
680p
680p
270p
180p
390p
390p
180p
82p
red-red-orange
brown-black-orange
brown-black-orange
brown-black-gold
brown-black-red
red-red-black
red-red-black
adjustable resistor 103
adjustable resistor 103
Potentiometer B1K
adjustable resistor 103
Potentiometer B10K
adjustable resistor 104
Rotary Encoder PEC16-4015F
Ident./Comment
474 or 0.4
102 or 0.001
474 or 0.4
1uF electrolytic
102 or 0.001
104 or 0.1
10uF electrolytic
104 or 0.1
104 or 0.1
33 or 33J
33 or 33J
33 or 33J
33 or 33J
33 or 33J
104 or 0.1
104 or 0.1
n22 or 222 or 221
102 or 0.001
104 or 0.1
102 or 0.001
102 or 0.001
102 or 0.001
104 or 0.1
104 or 0.1
10uF electrolytic
103 or 0.01
103 or 0.01
104 or 0.1
104 or 0.1
103 or 0.01
104 or 0.1
104 or 0.1
104 or 0.1
104 or 0.1
Polystyrene 270J
Polystyrene 680J
Polystyrene 680J
Polystyrene 270J
Polystyrene 180J
Polystyrene 390J
Polystyrene 390J
Polystyrene 180J
82
Arduino nano Q-9
Rotary encoder Q-5
Rotary encoder Q-6
Tx SSB supply I-9/10
CW Tx Mute D-12
Headphones Att. A-5
Headphones Att. A-4
Mic gain N-2
DSB balance M-3
RX atennuator R-12/13
AGC gain C-10
Volume R-10/11
S-Meter P-12
VFO Tune R-7
Circuit section Located
Microphone input M-1
Microphone input M-2
Microphone input M-2
SSB balance M-4
Microphone supply L-2
Microphone supply O-2
Microphone supply O-2
IC1 supply M-4
IC1 an d IC2 supply K-1
IF xtal filter O-4
IF xtal filter N-4
IF xtal filter N-6
IF xtal filter M-6
IF xtal filter M-5
TX mix M-6
IC2 supply K-5
TX mix K-6
Pre driver L-5
Pre driver K-5
Pre driver K-4
Driver G/H-10
Driver F-5
Driver
Driver supply
Driver supply
Driver K-3
Driver
Output Amp G/F-3
Output Amp bias G/F-4
Output Amp G-1/2
Output Amp F-4/5
Rx Ant path D-3
Output Amp supply E-3
Output Amp supply H-4
40m LPF C-5
40m LPF D-5
40m LPF D/E-5
40m LPF E-5
20m LPF C-7
20m LPF D-7
20m LPF D/E-7
20m LPF E-7
40m BPF H-5
J-1
I-1
I-2
I-4
Page 10