ELECRAFT K 2 Instrucciones de operaciones Pagina 5

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(S0 through S23 connected to DS1; only S0 and S23 shown)
First switch label corresponds to switch TAP,
Second label corresponds to switch HOLD.
VIM-838-DP 8-DIGIT LCD
(based on LED Vf=1.9V)
K2 Front Panel Board
Pushbutton Switches
To RF Board, P1
RIT/XIT Offset
Shaft Encoder
Keyer Speed
W. Burdick
6B595
LCD Driver
Backlight
6B595
Power Out
LED Array
R.F. Gain
E. Swartz
Elecraft
PRE/ATTN
1B,C,DP
1F,E,AN
2B,C,DP
2F,E,AN
3B,C,DP
3F,E,AN
4B,C,DP
4F,E,AN
5B,C,DP
5F,E,AN
6B,C,DP
6F,E,AN
7B,C,DP
7F,E,AN
8B,C,DP
8F,E,AN
PCF8566
CLK INH
5K (audio taper)
74HC165
(spare)
/MIC RD
/MIC RD
68.1K, 1%
/SPD RD
PN2222A
DISPLAY
/SR RD
1 of 1
1A,G,D
2A,G,D
3A,G,D
4A,G,D
5A,G,D
6A,G,D
7A,G,D
8A,G,D
SR WRT
/SRCLR
1N5817
SR DIN
/BANK1
SR DIN
SR WRT
/SR RD
/SRCLR
2N3906
/NIGHT
V POTS
AUXBUS (NC)
/BANK1
/BANK2
/BANK2
ANT1/2
RECALL
RF/ALC
CW REV
/BANK1
Rev.
Sht.
/SYNC
SR CK
SH/LD
SR CK
ENC A
ENC B
SR CK
ENC A
ENC B
BAND+
BAND-
STORE
LEVEL
SPLIT
Date
COM1
COM2
COM3
COM3
COM2
COM1
VLCD
.047
ICLK
100K
IDAT
SRCK
SOUT
100K
ICLK
IDAT
LEDs
SRCK
SOUT
FUNC
4.7K
4.7K
MENU
RATE
MODE
XFIL
TUNE
SPOT
EDIT
LOCK
AFIL
DS1
SDA
SCL
CLK
VDD
OSC
SA0
VSS
BP0
BP2
BP1
BP3
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
DS2
5K
5K
5K
S11
S15
S13
CLK
SER
/QH
GND
VCC
.01
S16S14
S12
S10
.01
120
RP2
120
RP1
RCK
SIN
GND
VCC
/Q0
/Q1
/Q2
/Q3
/Q4
/Q5
/Q7
/Q6
GND
GND
ccw
ccw
ccw
ccw
SR DOUT
S23
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
R14
.01
Mic
PTT
GND
.01 .01 .01
RCK
SIN
GND
VCC
/Q0
/Q1
/Q2
/Q3
/Q4
/Q5
/Q7
/Q6
GND
GND
.01
GND
RP3
RP3
R13
RP3
RP3
10K
10K
10K
5K
ccw
R11
220
R9
470
A/B
A=B
AGC
RIT
XIT
MSG
VOX
REV
PF1 PF2
REC
S8S2
S3
U2
C2
33
By
1015202530
A0
A1
A2
10 15
S0
S1
S2
20
S3
21
S4
S5
S6
S7
25
S8
S9
303540
U1
20
10
5A
R3
R4
R2
R5
R10
V-
V+
Z1
S6
S4
S1
S5
S9
15
10
11
12
13
14
QH
16
5A
C9
C1
5A
5A
11
12 13 14 15 16 17
18 19
R12
10
10
12
13
/G
14
15
16
17
1810
11
19
U3
D5
D6
cw
cw
cw
cw
S0
S4
S5
S6
S7
S8
S9
5A
S7
C8
J2
AF
DN
UP
5V
C4 C5 C7
5A
10 11 12 13 14 15 16 17 18 19 20
J1
5A
D2
D3
5A
12
13
/G
14
15
16
17
1810
11
19
U4
C6
Q3
R1
D4
cw
5A
Q1
Q2
R7
R6
5A
S3
S2
S1
S0
NB
D2 D5
D6 D1
D7 D0
D4 D3
D5 D2 D6
D1
D7
D0
D0 D1 D2 D3 D4 D5 D6 D7
D3
D4
#1 #2
#3
#4
#5 #6
#8
#9
#7
#0
123
456789
123 456
7
15
43
B
2
A
1
1
2
A
B
C
D
3
E
4
F
5
G
6
H
7
9
8
1
23456789
1
23456789
9
8
3
42
5
6
7
12345678
123456789
9
8
3
42
5
6
7
6
5
4
3
2
1
8
7
R16 R15
15K
10K
.047
C3
Bargraph
Brightness
Control
/SPD RD
V POTS
SR DOUT
V POTS
MIC AF
/DOT-PTT
4.0V DAY (18mA/LED)
2.7V NIGHT (6mA/LED)
Mic Config.
AF Gain
/BANK2
5A
P1
1
2
3
4
5
6
7
8
2V
/BANK1 /BANK2
/ENC RD
Appendix B
These components are supplied with SSB adapter.
S7 - S16 can also be used as a numeric keypad.
C
10/6/02
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