Elecraft K2 Owner's Manual User Manual
Page 167
15
CONTROL BOARD (Front panel removed except ** = CAL FCTR mode w/front Panel plugged in; * = approximate and/or may fluctuate)
Ref. Pin VDC Ref. Pin VDC Ref. Pin VDC Ref. Pin VDC Ref. Pin VDC Ref. Pin VDC
Q1 E
8.0 Q12
E
6.3 U6 1
5.0 U6 34
0.0 U9 1
0.4*
B
8.0 B
7.0 2
0.0* 35
0.2* 2
.02*
C
0.0 C
8.0 3
5.0* 36
0.8* 3
.02*
Q2 E 8.0 U1 1 1.4
4 0.2* 37 5.0
4 0.0
B
7.3 2
1.4 5
2.6* 38
1.2* 5
0.0
C 7.5
3 0.0
6 4.7* 39 0.2*
6 6.7
Q3
S
0.0 4
6.9 7
0-5*
40
5.5 7
13.7
G 0.0
5 6.9
8 0-5* U7 1 5.0
8 6.8
D 8.0
6 8.0
9 0
or
5
2 5.0 U10 1 7.7*
Q4
S
0.0 7
7.5 10
5.0**
3
5.0 2
5.0*
G
5.0 8
8.0 11
5.0 4
0.0 3
5.0*
D
0.0
U2
1
6.9 12
0.0 5
5.0 4
8.0
Q5
S
0.0 2
6.9 13
2.3* 6
0.0 5
5.0
G 0
or
5
3 6.9
14 2.4*
7 5.0
6 5.0
D
0-5 4
0.0 15
2** 8
5.0 7
5.0
Q6 G 2.7*
5 7.3
16 0-5* U8 1 0-5*
8 0-8*
S
5-6* 6
7.3 17
2.7* 2
5.0**
9
0-8*
D
5-6*
7
7.3 18
0.0 3
5.0 10
0-8*
Q7
G
2.7* 8
8.0 19
5.0 4
0.0 11
0.0
S 5-6* U3 1 0.4* 20 5.0
5 0.0
12 0-8*
D
5-6* 2
13.7 21
5.0 6
5.0 13
0-8*
Q8 E 7.0**
3 13.7 22 5.0
7 5.0
14 0-8
B
7.7**
4
0.0 23
5.0 8
0
or
5
C
8.0**
5
2.5 24
5.0 9
5.0
Q9
E
0.0 6
2.5 25
0.0 10
0.0
B
0.7**
7
2.5 26
5.0 11
5.0
C
2
** 8
13.7 27
0.0 12
0.0
Q10
E
0.0 U4
IN
13.7 28
5.0 13
5.0
B
0.7**
GND
0.0 29
5.0 14
0.0
C
2**
OUT
8.0 30
5.0 15
0-5*
Q11
E
0.2*
U5
IN
13.7 31
0.0 16
0-5*
B
0.9*
GND
0.0 32
5.0
C
13.5
OUT
5.0 33
5.0