Galaxy DX Radios DX2527
Documentation Project
CBTricks.com
Transistor Voltage Chart (still working on this)

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
1.06 NB 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

1.18 FM RX

6.93 FM RX

0.48 FM RX

0.01 FM TX

0.02 FM TX

2.44 FM TX

1.30 SSB RX

7.60 SSB RX

2.38 SSB RX

0.01 SSB 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

0.81 SSB TX

0.02 SSB TX

0.00 SSB TX

Q10

 

2SC1675

NPN
D-4

3.03 AM /FM RX

5.76 AM / FM RX

2.26 AM / FM RX
 

0.02 AM / FM TX

0.02 AM / FM TX

0.01 AM / FM TX

0.03 SSB RX

8.02 SSB RX

0.00 SSB RX

0.02 SSB 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

0.01 SSB 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

0.71 SSB 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

1.26 SSB 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