Search found 9 matches

by papafina
Thursday 11th Oct 2007, 13:25
Forum: CB Radio Repair and Troubleshooting
Topic: Help... Cobra 148 GTL no voice TX in AM FM SSB- RX OK
Replies: 11
Views: 6319

thanked Rick, but it continues equal, I have only carrying of AM and SSB I followed your suggestion but it did not give nothing I injecting audio at C108 and collector of TR23, TR24, and did not make nothing. I repaired that the tension of transistors TR21, 22, 23, 24, 25, 26, 27, they are different...
by papafina
Wednesday 10th Oct 2007, 11:41
Forum: CB Radio General
Topic: I look to the project of a base ELBEX PD-8500 CB Transceiver
Replies: 1
Views: 2701

I look to the project of a base ELBEX PD-8500 CB Transceiver

I have the selector of canals damaged, is digital can give an aid...


75/51
Carlos

Image
by papafina
Wednesday 10th Oct 2007, 9:12
Forum: CB Radio Repair and Troubleshooting
Topic: Help... Cobra 148 GTL no voice TX in AM FM SSB- RX OK
Replies: 11
Views: 6319

hello Rick

Ai change the TR21, 22, 23, 24, 25, 26, 27 transitores, and nothing, can yu hellp me. I tested the D61,60,59, C99 and are good, I have the sound of the RX in the PA, :idea: if I injectar sound collector of TR 21, I have TX OK but if to injectar the same sound in the L404 I do not have TX can help me...
by papafina
Friday 5th Oct 2007, 11:17
Forum: CB Radio Repair and Troubleshooting
Topic: Help... Cobra 148 GTL no voice TX in AM FM SSB- RX OK
Replies: 11
Views: 6319

hello ramblingman, ai change the c-18 and nothing... Gracias
I am wait for the TR21, 22, 23, 24, 25, 26, 27 transitores to change later I say some thing...
73/51 :D
Carlos
by papafina
Thursday 4th Oct 2007, 9:04
Forum: CB Radio Repair and Troubleshooting
Topic: help... Lafayette base mod. Telsat SSB 140
Replies: 2
Views: 3329

hello rick I number it is PTBMO58COX

it forgives the bad English

Carlos
73/51

Image
by papafina
Thursday 4th Oct 2007, 8:52
Forum: CB Radio Repair and Troubleshooting
Topic: Help... Cobra 148 GTL no voice TX in AM FM SSB- RX OK
Replies: 11
Views: 6319

148 GTL - been thankful - Rick

OK Rick the PA is?not OK, the microphone this good one, I go to test the TR21, 22, 23, 24, 25, 26, ai change TR 27 and nothing.
if to change the button for PA, I hear the RX in position PA a little low de sound.

73/51 :D
Carlos
by papafina
Tuesday 2nd Oct 2007, 3:41
Forum: CB Radio General
Topic: ELBEX PD-8500 CB Transceiver
Replies: 0
Views: 2368

ELBEX PD-8500 CB Transceiver

I look to the project of a base ELBEX PD-8500 CB Transceiver

73/51
papafina1@sapo.pt

gracias
by papafina
Tuesday 2nd Oct 2007, 3:38
Forum: CB Radio Repair and Troubleshooting
Topic: Help... Cobra 148 GTL no voice TX in AM FM SSB- RX OK
Replies: 11
Views: 6319

Help... Cobra 148 GTL no voice TX in AM FM SSB- RX OK

Cobra 148 GTL - it does not emit the signal of voice in way TX, only the carrier of Harnesses, I changed already the MB3756 and nothing, they can give a tip.

73/51

Edison Portugal
Carlos
by papafina
Tuesday 2nd Oct 2007, 3:16
Forum: CB Radio Repair and Troubleshooting
Topic: help... Lafayette base mod. Telsat SSB 140
Replies: 2
Views: 3329

help... Lafayette base mod. Telsat SSB 140

hi ned help... To repair a Lafayette base mod. Telsat SSB 140, ten a very weak emission, only 10 mW, the Par? functions normally, has signal of sound in way TX, but as it said very weak.
I changed to the final transistors Q9 and Q10 and nothing this equal one.

73/51 from CB Station EDISON

Carlos

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