Search found 11 matches

by redshovelhead77
Sunday 20th Apr 2008, 11:36
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

sent
by redshovelhead77
Sunday 20th Apr 2008, 8:42
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

driver b=.66 c=13 e=0 final b=.586 c=13.3 e=0
by redshovelhead77
Sunday 20th Apr 2008, 8:03
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

upon further examination the radio does put out a bit but its very weak cannot be measured with a meter,,,,,, this makes me think the shorted final damaged something near it perhaps a cap,,,,,,let me know if you have any ideas, or if you need readings,,,,, mark
by redshovelhead77
Saturday 19th Apr 2008, 11:29
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

Rick, i have installed the new driver and final, the old final was shorted out badly, the job went well except that i still do not transmit, i also could not get the bias set down as low as called for, iam wondering if the shorted final may have blown another component? tomorrow i plan to reinstall ...
by redshovelhead77
Thursday 17th Apr 2008, 13:02
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

rick,,,, thank you,,, i was thinking to have a full alignment done,,,, so it shall be,,,,,ill keep you informed,,, mark
by redshovelhead77
Wednesday 16th Apr 2008, 12:26
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

Rick,, iam still waiting on the final and driver,,, but i was looking at the radio tonight, it still has the very faint receive on am,,,,i noticed that when receiving a distant signal, when i turned the noise blocker on the signal went quiet,,,, then i tried it with another radio on the bench,,,, as...
by redshovelhead77
Monday 14th Apr 2008, 9:52
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

thanks rick, i found the alignment info, and now i can see how to make the adjustment,,,,,not hard at all,,,, iam ordering the parts now, and ill let you know how things turn out after i get them in,,,, mark
by redshovelhead77
Monday 14th Apr 2008, 5:42
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

i have found a 1307 as well as a 2166 and 1969, iam not very farmilliar with bias, if i understand the theory, you are setting the voltage so as not to overdrive the transistor, for the sake of keeping things simple, could i use the 1307 as a direct replacement and not have to re set the bias, or is...
by redshovelhead77
Monday 14th Apr 2008, 1:51
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

Rick, i lifted the collecter leg on both the driver and final,,, the fuse no longer blows, so i will order a new final today,, the radio now has a 1306 driver and a 1307 final,,,,, can a replace the 1307 with a 1969 and still use the 1306 driver,, thank you very much for your help,,, mark
by redshovelhead77
Sunday 13th Apr 2008, 12:04
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

Rick thank you for the direction,,, here is what i found,,,C102 checks ok with a fluke meter removed from the board, TR 25 reads when keyed up, collector=13.7,, emitter=7.73,,,,base=8.53,,,,,emitter swings with vr8 from 6.09 to 7.82,,,,,, still i read only .25 watt forward power,, and the radio will...
by redshovelhead77
Thursday 10th Apr 2008, 11:06
Forum: CB Radio Repair and Troubleshooting
Topic: President Washington 858, tx problem
Replies: 20
Views: 35775

President Washington 858, tx problem

hi, iam hoping someone can help me out,,,, my p. washington 858 is transmitting at less than 1/2 watt forward power on a telewave meter. it can be heard by another radio on the bench, i bought the radio with this problem,,,,, it was full of dust so i cleaned it up,,,,, after that it briefly transmit...