Galaxy DX Radios DX22B
Documentation Project

CBTricks.com
Transistor Voltage Chart

Dis

Function

Part #

 

  
LOC

B

C

E

Q1

 

2SC1675L

NPN

B-3

0.00 NB Off

0.00  NB Off

0.00 NB Off

 
1.77 NB On
7.67  NB On
1.06NB On

Q2

 

2SC1675L

NPN

C-2

0.00 NB Off

0.00  NB Off

0.00 NB Off

 

0.71 NB On

2.09  NB On

0.00 NB On

Q3

 

2SC945

NPN

C-3

0.00 NB Off

0.00 NB Off

0.00 NB Off

 

2.09 NB On

7.76  NB On

1.45 NB On

Q4

 

2SC945

NPN

B-2

0.00 NB Off

8.01  NB Off

0.01 NB Off

 

0.02 NB On

8.01  NB On

1.06 NB On

Q5

 

2SC945

NPN

C-3

0.00 NB Off

7.37  NB Off

0.01 NB Off

 

0.01 NB On

7.37  NB On

0.03 NB On

Q6

 

2SA733

PNP

C-2

7.36 NB Off

0.00  NB Off

8.01 NB Off

 

7.36 NB On

0.00  NB On

8.01 NB On

Q7

 

2SC945

NPN

C-2

0.00 NB Off

0.00  NB Off

0.00 NB Off

 

0.00 NB On

0.01  NB On

0.00 NB On

Q8

 

2SC1674

NPN

D-2

1.18 AM RX

6.93 AM RX

0.48 AM RX

 

0.02 AM TX

0.03 AM TX

2.44 AM TX

1.18FM RX

6.93FM RX

0.48 FM RX

0.01FM TX

0.02FM TX

2.44 FM TX

1.30SSB RX

7.60 SSB RX

2.38 SSB RX

0.01SSB TX

0.02 SSB TX

2.44 SSB TX

Q9

 

2SC1675

NPN

D-3

0.71 AM / FM RX

3.04 AM / FM RX

0.00 AM / FM RX

 

0.01 AM / FM TX

0.03 AM / FM TX

0.00 AM / FM TX

0.82 SSB RX

0.03 SSB RX

0.00 SSB RX

0.81SSB TX

0.02 SSB TX

0.00 SSB TX

Q10

 

2SC1675

NPN

D-4

3.03 AM /FM RX

5.76AM / FM RX

2.26 AM / FM RX

 

0.02 AM / FM TX

0.02 AM / FM TX

0.01 AM / FM TX

0.03SSB RX

8.02 SSB RX

0.00 SSB RX

0.02SSB TX

0.02 SSB TX

0.01 SSB TX

Q11

 

2SC1675L

NPN

D-4

2.26 AM / FM RX

5.49 AM / FM RX

1.52 AM / FM RX

 

0.01 AM / FM TX

0.02 AM / FM TX

0.01 AM / FM TX

0.00 SSB RX

8.02 SSB RX

0.01 SSB RX

0.01 SSB TX

0.02 SSB TX

0.01 SSB TX

Q12

 

2SA733

PNP

B-4

8.02 NB Off

0.00  NB Off

8.06 NB Off

 

7.35 NB On

8.01  NB On

8.06 NB On

Q13

 

2SC945

NPN

B-4

0.00 AM / FM RX

-0.25 AM / FM RX

0.00 AM / FM RX

 

0.01 AM / FM TX

-0.24 AM / FM TX

0.00 AM / FM TX

0.71 SSB RX

0.01 SSB RX

0.00 SSB RX

0.71 SSB TX

0.01 SSB TX

0.00 SSB TX

Q14

 

2SC945

NPN

B-4

0.70 AM / FM RX

0.01 AM / FM RX

0.00 AM / FM RX

 

0.71 AM / FM TX

0.02 AM / FM TX

0.00 AM / FM TX

0.01 SSB RX

0.11 SSB RX

0.00 SSB RX

0.01SSB TX

0.01 SSB TX

0.00 SSB TX

Q15

 

2SC945

NPN

E-4

0.01 AM / FM RX

0.02 AM / FM RX

0.00 AM / FM RX

 

0.01 AM / FM TX

0.01 AM / FM TX

0.00 AM / FM TX

0.70 SSB RX

0.01 SSB RX

0.00 SSB RX

0.71SSB TX

0.01 SSB TX

0.00 SSB TX

Q16

 

2SC945

NPN

E-5

1.26 AM / FM RX

5.04 AM / FM RX

0.68 AM / FM RX

 

1.26 AM / FM TX

5.05 AM / FM TX

0.68 AM / FM TX

1.26 SSB RX

5.01 SSB RX

0.68 SSB RX

1.26SSB TX

5.01 SSB TX

0.68 SSB TX

Q17

 

2SC945

NPN

B-2

0.00 AM / FM RX

0-0.01 AM / FM RX

0.00 AM / FM RX

  

0.76 SSB TX

0.02 SSB TX

0.00 SSB TX

Q18

 

2SC1674

NPN

C-2

2.15 AM RX

7.73 AM RX

1.41 AM RX

 

0.02 AM TX

0.03 AM TX

0.01 AM TX

2.15 FM RX

7.73 FM RX

1.41 FM RX

0.03 FM TX

0.08 FM TX

0.01 FM TX

2.16 SSB RX

7.74 SSB RX

1.41 SSB RX

0.01 SSB TX

0.02 SSB TX

0.01 SSB TX

Q19

 

J310

FET

D-3

0.03 AM / SSB RX

7.95 AM / SSB RX

1.89 AM / SSB RX

 

0.01 AM / SSB TX

0.02 AM / SSB TX

0.03 AM / SSB TX

0.00 FM RX

7.95 FM RX

1.90 FM RX

0.01 FM TX

0.07 FM TX

0.07 FM TX

Q20

 

2SC1674

NPN

D-4

0.95 AM RX

0.24 AM RX

0.23 AM RX

 

3.41 AM TX

3.02 AM TX

7.34 AM TX

0.95 FM RX

0.24 FM RX

0.23  FM RX

1.66 FM TX

1.19 FM TX

7.35 FM TX

1.60 SSB RX

6.69 SSB RX

0.85 SSB RX

3.40 SSB TX
3.42 With MOD

7.11 SSB TX
7.13 With MOD

7.34 SSB TX
7.36 With MOD

Q21

 

2SC1675

NPN

D-4

0.22 AM / FM RX

1.74 AM / FM RX

0.00 AM / FM RX

 

0.02 AM / FM TX

0.03 AM / FM TX

0.00 AM / FM TX

0.73 SSB RX

3.43 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

0.02 SSB TX
0.04 With MOD

0.00 SSB TX

Q22

 

2SC1675

NPN

D-4

1.74 AM / FM RX

0.93 AM / FM RX

0.92 AM / FM RX

 

0.03 AM / FM TX

0.40 AM / FM TX

0.02 AM / FM TX

3.43 SSB RX

6.52 SSB RX

2.66 SSB RX

0.02 SSB TX
0.04 With MOD

7.09 SSB TX
7.16 With MOD

0.01 SSB TX
0.03 With MOD

Q23

 

2SC1906

NPN

D-4

3.92 AM / FM RX

7.78 AM / FM RX

0.23 AM / FM RX

 

0.02 AM / FM TX

0.02 AM / FM TX

0.02 AM / FM TX

2.65 SSB RX

6.10 SSB RX

1.90 SSB RX

0.01 SSB TX
0.02 With MOD

0.02 SSB TX
0.04 With MOD

0.01 SSB TX
0.03 With MOD

Q24

 

2SC945

NPN

D-2

0.70 AM RX

0.01 AM RX

0.00 AM RX

 

0.71 AM TX

0.02 AM TX

0.00 AM TX

0.01 FM RX

0.18 FM RX

0.00 FM RX

0.02 FM TX

0.05 FM TX

0.00 FM TX

0.01 SSB RX

0.01 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

0.02 SSB TX
0.20 With MOD

0.00 SSB TX

TR25

 

2SA733

PNP

D-1

                ANL
8.01
AM RX   ON
6.72             OFF

                ANL
0.16
AM RX   ON
7.38             OFF

                ANL
8.05
AM  RX   ON
7.38             OFF

 

                ANL
8.02
AM  TX   ON
6.73             OFF

                ANL
0.22
AM  TX   ON
7.38             OFF

                ANL
8.06
AM  TX   ON
7.39             OFF

                ANL
0.01
FM RX   ON
0.01           OFF

                ANL
0.01
FM RX   ON
0.01           OFF

                ANL
0.01
FM  RX   ON
0.01             OFF

                ANL
0.02
FM  TX   ON
0.02           OFF

                ANL
0.02
FM  TX   ON
0.02             OFF

                ANL
0.02
FM  TX   ON
0.02           OFF

                ANL
0.01
SSB RX  ON
0.01           OFF

                ANL
0.01
SSB RX  ON
0.01             OFF

                ANL
0.01
SSB RX  ON
0.01            OFF

                ANL
0.02
SSB TX   ON
0.02           OFF

                ANL
0.01
SSB TX   ON
0.01             OFF

                ANL
0.01
SSB TX   ON
0.01             OFF

Q26

 

2SC945

NPN

D-1

AM / FM / SSB RX
2.82 

AM / FM / SSB RX
7.19 

AM / FM / SSB RX
2.28 

 

AM / FM / SSB TX
2.84 

AM / FM / SSB TX
7.20

AM / FM / SSB TX
2.29

Q27

 

2SC1675

NPN

C-5

AM / FM / SSB RX
3.44 

AM / FM / SSB RX
5.93

AM / FM / SSB RX
2.70 

 

AM / FM / SSB TX
3.45

AM / FM / SSB TX
5.94

AM / FM / SSB TX
2.71

Q28

 

2SC1675

NPN

D-4

AM / FM / SSB RX
0.72

AM / FM / SSB RX
4.36

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
0.72

AM / FM / SSB TX
4.37

AM / FM / SSB TX
0.00

Q29

 

2SC1675

NPN

E-6

0.01 AM RX

7.95 AM RX

0.00 AM RX

 

0.02 AM TX

7.96 AM TX

0.00 AM TX

0.75 FM RX

0.02 FM RX

0.00 FM RX

0.79 FM TX

0.07 FM TX

0.00 FM TX

0.01 SSB RX

7.94 SSB RX

0.00 SSB RX

0.01 SSB TX

7.95 SSB TX

0.00 SSB TX

Q30

 

2SC945

NPN

F-1

0.71 AM / FM RX

0.02 AM / FM RX

0.00 AM / FM RX

 

0.72 AM / FM TX

0.03 AM / FM TX

0.00 AM / FM TX

0.01 SSB RX

2.95 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

2.89 SSB TX
2.91 With MOD

0.00

Q31

 

2SA733

PNP

B-3

8.02 AM RX

0.11 AM RX

8.06 AM RX

 

8.02 AM TX

-0.34 AM TX

8.06 AM TX

8.02 FM RX

0.11 FM RX

8.06 FM RX

8.02 FM TX

-0.39 FM TX

8.06 FM TX

8.02 SSB RX

-0.11 SSB RX

8.06 SSB RX

8.02 SSB TX
6.95 With MOD

-0.43 SSB TX
5.46 With MOD

8.05 SSB TX
7.57 With MOD

Q32

 

2SA945

NPN

F-6

AM / FM / SSB RX
0.71

AM / FM / SSB RX
0.01

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
0.01
0.50 With MOD

AM / FM / SSB TX
0.01

AM / FM / SSB TX
0.00

Q33

 

2SC945

NPN

E-6

AM / FM / SSB RX
0.24

AM / FM / SSB RX
0.25

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
0.57
0.58 SSB MOD

AM / FM / SSB TX
0.72
0.74 SSB MOD

AM / FM / SSB TX
0.00

Q34

 

2SC945

NPN

F-6

AM / FM / SSB RX
0.00

AM / FM / SSB RX
1.32

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
0.00
0.01 SSB MOD

AM / FM / SSB TX
0.01
0.94 AM/SSB MOD

AM / FM / SSB TX
0.00

Q35

 

2SA733

PNP

C-5

AM / FM / SSB RX
8.02 R.B. Off

AM / FM / SSB RX
3.05 R.B. Off

AM / FM / SSB RX
8.06 R.B. Off

 

AM / FM / SSB TX
8.03 R.B. Off

AM / FM / SSB TX
-0.70 R.B. Off

AM / FM / SSB TX
8.07 R.B. On

AM / FM / SSB RX
7.41 R.B. On

AM / FM / SSB RX
8.05 R.B. On

AM / FM / SSB RX
8.06 R.B. On

AM / FM / SSB TX
7.42 R.B. On

AM / FM / SSB TX
8.06 R.B. On

AM / FM / SSB TX
8.07 R.B. On

Q36

 

2SC945

NPN

C-6

AM / FM / SSB RX
0.01 

AM / FM / SSB RX
8.03

AM / FM / SSB RX
0.01 

 

AM / FM / SSB TX
0.02

AM / FM / SSB TX
8.04

AM / FM / SSB TX
0.35

Q37

 

2SA1282

PNP

D-6

AM / FM / SSB RX
7.36 

AM / FM / SSB RX
0.02

AM / FM / SSB RX
8.06

 

AM / FM / SSB TX
8.05

AM / FM / SSB TX
8.04

AM / FM / SSB TX
0.35

Q38

 

2SA1282

PNP

C-6

8.02 AM RX

0.00 AM RX

8.06 AM RX

 

7.27 AM TX

7.95 AM TX

8.05 AM TX

8.02 FM/SSB RX

0.00 FM/SSB RX

8.06 FM/SSB RX

7.28 FM/SSB TX

7.96 FM/SSB TX

8.04 FM/SSB TX

Q39

 

2SC945

NPN

A-2

AM / FM / SSB RX
0.63 

AM / FM / SSB RX
0.05

AM / FM / SSB RX
0.00 

 

AM / FM / SSB TX
0.01

AM / FM / SSB TX
8.04

AM / FM / SSB TX
0.00

Q40

 

2SA1282

PNP

A-1

AM / FM / SSB RX
7.54

AM / FM / SSB RX
0.28

AM / FM / SSB RX
8.05

 

AM / FM / SSB TX
7.35

AM / FM / SSB TX
8.04

AM / FM / SSB TX
8.06

Q41

 

2SC945

NPN

B-1

AM / FM / SSB RX
0.00

AM / FM / SSB RX
0.29

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
0.01

AM / FM / SSB TX
3.15

AM / FM / SSB TX
0.00

0.70 CW Mode RX

0.01 CW Mode RX

0.00 CW Mode RX

0.71 CW Mode TX

0.02 CW Mode TX

0.00 CW Mode TX

Q42

 

2SC945

NPN

B-1

AM / FM / SSB RX
0.77

AM / FM / SSB RX
1.65

AM / FM / SSB RX
0.15

 

AM / FM / SSB TX
0.78

AM / FM / SSB TX
1.65

AM / FM / SSB TX
0.16

Q43

 

2SC1675

NPN

B-3

0.00 AM / FM RX

8.04 AM / FM RX

5.06 AM / FM RX

 

0.01 AM / FM TX

8.04 AM / FM TX

5.05 AM / FM TX

0.00 SSB RX

8.04 SSB RX

0.30 SSB RX

0.01 SSB TX
0.07 With MOD

8.04 SSB TX
5.60 With MOD

0.30 SSB TX
1.05 With MOD

Q44

 

2SC1675

NPN

B-6

0.02 AM / FM RX

0.03 AM / FM RX

0.01 AM / FM RX

 

2.12 AM / FM TX

4.56 AM / FM TX

1.41 AM / FM TX

2.10 SSB RX

4.54 SSB RX

1.38 SSB RX

2.12 SSB TX

4.57 SSB TX

1.40 SSB TX

Q45

 

2SA733

PNP

B-6

AM / FM / SSB RX
8.04

AM / FM / SSB RX
0.01

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
8.05

AM / FM / SSB TX
0.02

AM / FM / SSB TX
0.01

8.04 CW Mode RX

0.00 CW Mode RX

8.04 CW Mode RX

4.91 CW Mode TX

5.54 CW Mode TX

5.58 CW Mode TX

Q46

 

2SC2312

NPN

B-6

0.00 AM / FM RX

4.15 AM / FM RX

0.00 AM / FM RX

 

0.68 AM / FM TX

3.80 AM / FM TX

0.00 AM / FM TX

0.00 SSB RX

13.25 SSB RX

0.00 SSB RX

0.68 SSB TX
0.71 With MOD

12.60 SSB TX
15.11 With MOD

0.00

Q47

 

2SC2312

NPN

A-6

0.00 AM / FM RX

4.15 AM / FM RX

0.00 AM / FM RX

 

0.58 AM / FM TX

3.80 AM / FM TX

0.00 AM / FM TX

0.00 SSB RX

13.25 SSB RX

0.00 SSB RX

0.68 SSB TX
0.71 With MOD

12.60 SSB TX
15.11 With MOD

0.00

Q48

 

2SC2166

NPN

B-4

0.00 AM / FM RX

4.15 AM / FM RX

0.00 AM / FM RX

 

0.74 AM / FM TX

3.88 AM / FM TX

0.00 AM / FM TX

0.00 SSB RX

13.25 SSB RX

0.00 SSB RX

0.74 SSB TX

12.75 SSB TX

0.00

Q49

 

2SC2314

NPN

B-4

0.00 AM / FM RX

0.00 AM / FM RX

0.00 AM / FM RX

 

1.25  AM / FM TX

8.30 AM / FM TX

0.70 AM / FM TX

0.00 SSB RX

0.00 SSB RX

0.00 SSB RX

1.28 SSB TX
1.30 With MOD

7.95 SSB TX
8.06 With MOD

0.57 SSB TX
0.59 With MOD

Q50

 

2SC1906

NPN

B-4

0.00 AM / FM RX

0.00 AM / FM RX

0.00 AM / FM RX

 

1.41 AM / FM TX

7.95 AM / FM TX

0.71 AM / FM TX

0.00 SSB RX

0.00 SSB RX

0.00 SSB RX

1.45 SSB TX

7.95 SSB TX
7.97 With MOD

0.66 SSB TX
0.69 With MOD

Q51

 

2SB754

PNP

B-4

13.31 AM / FM RX

4.29  AM / FM RX

13.79 AM / FM RX

 

12.74 AM / FM TX

3.43 AM / FM TX

13.57 AM / FM TX

13.25 SSB RX

13.25 SSB RX

13.79 SSB RX

12.80 SSB TX
12.15 With MOD

12.80 SSB TX
12.13 With MOD

13.66 SSB TX
13.39 With MOD

Q52

 

2SC945

NPN

B-4

4.03 AM / FM RX

13.30 AM / FM RX

4.10 AM / FM RX

 

4.03 AM / FM TX

12.15 AM / FM TX

3.48 AM / FM TX

12.27 SSB RX

12.63 SSB RX

12.85 SSB RX

11.75 SSB TX
11.23 With MOD

12.30 SSB TX
11.52 With MOD

12.55 SSB TX
11.79 With MOD

Q53

 

2SA473

PNP

B-4

13.30 AM / FM RX

4.29 AM / FM RX

13.31 AM / FM RX

 

12.15 AM / FM TX

3.43 AM / FM TX

12.74 AM / FM TX

12.63 SSB RX

13.25 SSB RX

13.25 SSB RX

12.30 SSB TX
11.52 With MOD

12.80 SSB TX
12.13 With MOD

12.80 SSB TX
12.15 With MOD

Q54

 

2SC945

NPN

B-4

0.00  AM / FM RX

13.30 AM / FM RX

0.00 AM / FM RX

 

0.02  AM / FM TX

12.18 AM / FM TX

0.00 AM / FM TX

0.73 SSB RX

0.05 SSB RX

0.00 SSB RX

0.73 SSB TX
0.75 With MOD

0.05 SSB TX
0.07 With MOD

0.00 SSB TX

Q55

 

2SC945

NPN

B-4

0.63 AM / FM RX

8.05 AM / FM RX

0.53  AM / FM RX

 

0.64  AM / FM TX

8.05 AM / FM TX

0.43 AM / FM TX

0.63 SSB RX

8.05 SSB RX

1.65 SSB RX

0.63 SSB TX
0.63 With MOD

8.05 SSB TX
6.90 With MOD

0.63 SSB TX
0.63 With MOD

Q56

 

2SC945

NPN

B-4

0.71 AM / FM RX

0.01 AM / FM RX

0.00 AM / FM RX

 

0.72  AM / FM TX

0.02 AM / FM TX

0.00 AM / FM TX

0.71 SSB RX

0.01SSB RX

0.00 SSB RX

0.71 SSB TX
0.73 With MOD

0.01 SSB TX
0.03 With MOD

0.00 SSB TX

Q57

 

2SC945

NPN

B-4

0.69 AM RX

0.02 AM RX

0.00  AM RX

 

0.70 AM TX

0.03 AM TX

0.00  AM TX

0.00 FM RX

0.71 FM RX

0.00  FM RX

0.02 FM TX

0.72 FM TX

0.00  FM TX

0.00 SSB RX

0.71 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

0.72 SSB TX
0.73 With MOD

0.00 SSB TX

Q58

 

2SC945

NPN

B-4

0.01 AM RX

0.01 AM RX

0.01  AM RX

 

0.02 AM TX

0.02 AM TX

0.02  AM TX

1.02 FM RX

4.32 FM RX

0.38  FM RX

1.03 FM TX

4.32 FM TX

0.40 FM TX

0.01 SSB RX

0.01 SSB RX

0.01 SSB RX

0.01 SSB RX

0.01 SSB RX

0.01 SSB RX


Copyright © 1998,1999,2000, 2001 CBTricks.com

Disclaimer: Although the greatest care has been taken while compiling these documents,

we cannot guarantee that the instructions will work on every radio presented.