Texas
Star DX 400 - DX 500
Documentation Project
CBTricks.com
DX 400 and DX 500 PARTS
LIST
Capacitors
Ref. No. |
Value |
NOTES: |
C1 |
15pF |
Ceramic Disc |
C2 |
0.022uF to .1uF |
Ceramic Disc |
C3 |
1000pF |
Ceramic Disc |
C4 |
1000 uF 16v |
Electrolytic |
C5 |
150pF |
Ceramic Disc |
C6 |
330pF |
Ceramic Disc |
C7 |
0.068 uF TO .1uF |
Glass, Ceramic Disc or Monolithic |
C9 |
0.068 uF TO .1uF |
Glass, Ceramic Disc or Monolithic |
C20 |
120pF (DX400) |
Silver Mica |
|
330pF (DX500) |
Silver Mica |
C21 |
0.068uF to .2uF |
Glass, Ceramic Disc or Monolithic |
C22 |
0.0015uF (DX400) |
Polypropylene |
|
0.0012uF (DX500) |
Polypropylene |
C23 |
0.068uF to .2uF |
Glass, Ceramic Disc or Monolithic |
C24 |
330pF |
Silver Mica |
C25 |
330pF |
Silver Mica |
C26 |
0.068 uF TO .1uF |
Glass, Ceramic Disc or Monolithic |
C27 |
1200pF (DX400) |
Stacked Mica (SEMO) |
|
1000pF (DX500) |
Stacked Mica (SEMO) |
C28 |
0.068 uF TO .1uF |
Glass, Ceramic Disc or Monolithic |
C29 |
0.01uF |
Ceramic Disc or Monolithic |
C30 |
0.068uF to .2uF |
Glass, Ceramic Disc or Monolithic |
C31 |
0.0015uF (DX400) |
Polypropylene |
|
0.0012uF (DX500) |
Polypropylene |
C32 |
0.068uF to .2uF |
Glass, Ceramic Disc or Monolithic |
C33 |
330pF |
Silver Mica |
C34 |
330pF |
Silver Mica |
C35 |
0.068uF TO .1uF |
Ceramic Disc or Monolithic |
C36 |
1200pF (DX400) |
Stacked Mica (SEMO) |
|
1000pF (DX500) |
Stacked Mica (SEMO) |
C37 |
0.068 uF TO .1uF |
Ceramic Disc or Monolithic |
C38 |
0.01uF |
Ceramic Disc Monolithic |
C39 |
0.068 uF TO .1uF |
Ceramic Disc Monolithic |
C40 |
33uF 25v |
Electrolytic |
C42 |
0.068 uF TO .1uF |
Glass, Ceramic Disc or Monolithic |
C43 |
10uF 25v |
Electrolytic |
C44 |
0.01uF |
Ceramic Disc Monolithic |
C45 |
91pF |
Silver Mica |
Resistors
Ref. No. |
Value |
NOTES: |
R1 |
470 ohm 1/4W |
Carbon |
R2 |
10 ohm 2W (DX400) |
Metal Oxide |
R4 |
120 ohm 2W (DX400) |
Metal Oxide |
|
200 ohm 2W (DX500) |
Metal Oxide |
R5 |
75 ohm 4W |
Metal Oxide |
R6 |
6 ohm 4W |
Metal Oxide |
R8 |
68K |
Carbon |
R9 |
470 |
Carbon |
R14 |
100 ohm 2W |
Metal Oxide |
R16 |
1.8 ohm 1/2W |
Carbon |
R17 |
39 ohm 3W |
Metal Oxide |
R18 |
10 ohm 1/2W |
Carbon |
R19 |
10 ohm 1/2W |
Carbon |
R20 |
39 ohm 3W |
Metal Oxide |
R21 |
25 ohm 5W |
Wire Wound |
R23 |
1.8 ohm 1/2W |
Carbon |
R24 |
39 ohm 3W |
Metal Oxide |
R25 |
10 ohm 1/2W |
Carbon |
R26 |
10 ohm 1/2W |
Carbon |
R27 |
39 ohm 3W |
Metal Oxide |
R28 |
25 ohm 5W |
Wire Wound |
R29 |
100 ohm 2W |
Metal Oxide |
R30 |
15K ohm 1/4W (DX400) |
Carbon |
|
30K ohm 1/4W (DX500) |
Carbon |
R31 |
1K ohm 1/4W |
Carbon |
R32 |
27K ohm 1/4W |
Carbon |
Diodes
Ref. No. |
Value |
NOTES: |
D1 |
1N4001 |
|
D2 |
1N4148 |
|
D3 |
MR750 |
|
D4 |
1N4148 |
Toroids
Ref. No. |
Value |
NOTES: |
L3 |
Toroid Combiner |
Bifiliar (5 Turns #22) on 30MHz Ferrite Toroid Core ½" O.D., ¼" I.D. 1/8" x 1/8" Thick. |
L4 |
Toroid Combiner |
Bifiliar (5 Turns #22) on 30MHz Ferrite Toroid Core ½" O.D., ¼" I.D. 1/8" x 1/8" Thick. |
Transistors
Ref. No. |
Value |
NOTES: |
Q1 |
2N2907A |
|
Q2 |
2N4125 |
|
Q4 - Q7 |
2SC2290 |
(DX400) |
|
2SC2879 |
(DX500) |
Jacks
Ref. No. |
Value |
NOTES: |
J1 |
SO239 |
RADIO |
J2 |
SO239 |
ANT |
J3 |
1/8 Phone |
Key |
Fuses
Ref. No. |
Value |
NOTES: |
F1 |
Fuse Holder with 35A Fuse |
|
F2 |
Fuse Holder with 35A Fuse |
Lamps
Ref. No. |
Value |
NOTES: |
I1 - I4 |
18v 40ma Lamp |
|
I5 |
#2682 14v 80ma Lamp |
Ref. No. |
Value |
NOTES: |
S1-S4 |
4 Position Switch Bank |
|
|
Button Bezel |
|
|
Lens (POWER) |
|
|
Lens (REC AMP) |
|
|
Lens (SELECT A WATT) |
|
|
Lens (DELAY) |
Ref. No. |
Value |
NOTES: |
T1 |
Stackpole 5 Turns |
(DX400) |
|
Stackpole 2 Turns |
(DX500) |
T2 |
Stackpole 4 Turns |
|
T3 |
Stackpole 5 Turns |
(DX400) |
|
Stackpole 2 Turns |
(DX500) |
T4 |
Stackpole 4 Turns |
|
FB1-FB8 |
Ferrite Bead |
13/64" Dia. x 7/16 long |
Ref. No. |
Value |
NOTES: |
M1 |
Meter .5ma FS 480ohms |
|
|
Front Panel |
|
|
Cover Top |
|
|
Chassis |
|
|
Heatsink |
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every amp presented.