Search found 17 matches

by pink148
Thursday 17th Jul 2008, 10:43
Forum: CB Radio Repair and Troubleshooting
Topic: needle deflection.
Replies: 3
Views: 2153

Well rick after checking the voltages everything was spot on !
I have found the problem..it was the 100ohm resoistor that is mounted on the swr board next to the antenna socket..now the radio it working fine..it seems to be receiving better than my new ss3900 !
anyway thanks for your help rick..
73s
by pink148
Wednesday 16th Jul 2008, 20:33
Forum: CB Radio Repair and Troubleshooting
Topic: needle deflection.
Replies: 3
Views: 2153

Cheers rick for the info..i shall get that checked soon and will post back !
by pink148
Wednesday 16th Jul 2008, 7:43
Forum: CB Radio Repair and Troubleshooting
Topic: needle deflection.
Replies: 3
Views: 2153

needle deflection.

My cobra 148 gtl-dx mk 1 has got a serious problem. As soon as i switch the radio on the signal meter pings off the end of the scale ! the only way to stop it doing this is to move my swr cal switch ! Dont know where to start looking ! any hel would be great !

thanks in advance.
by pink148
Tuesday 24th Jun 2008, 20:32
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 148 gtl dx mk1
Replies: 1
Views: 1705

Cobra 148 gtl dx mk1

Hi all after about 10 years i decided to get the old cobra out and check if it still worked..it seems to be ok on FM but when i switch to SSB the audio output from the speacker is very low...and i have to put the volume control up past half way....and when i switch back to FM i have to turn the volu...
by pink148
Thursday 3rd Aug 2006, 4:23
Forum: CB Radio Alignments
Topic: cobra 148 gtl dx mk 2
Replies: 2
Views: 4687

Thank's for the info mate.
I set them both up the same as the mk 1 cobra but the audio on ssb was all scrachy and crap..
by pink148
Wednesday 2nd Aug 2006, 4:35
Forum: CB Radio Alignments
Topic: cobra 148 gtl dx mk 2
Replies: 2
Views: 4687

cobra 148 gtl dx mk 2

Hi all.Can anyone tell me what the settings are for the bias of my output and driver.As i have lost my manual and i cant remember how many mv to set vr 10 and vr9 at.
My radio is a mk 2 late cobra 148gtl dx.
Thank's for any reply's...
by pink148
Monday 31st Jul 2006, 7:17
Forum: Scanners
Topic: pro 2006
Replies: 7
Views: 11865

pro 2006

Hi all. After some time of not getting swiched on my realistic pro 2006 scanner has developed a strange fault. Every 2 seconds or so the damn thing keeps on beeping and it has a batt thing flashing on the display all the time.I have put a new 9 volt battery in but made no difference at all. Please c...
by pink148
Tuesday 11th Jul 2006, 8:52
Forum: CB Radio Repair and Troubleshooting
Topic: 148 channel readout.
Replies: 6
Views: 5227

Thank's scott i will check all the joints on the pll.
by pink148
Monday 10th Jul 2006, 4:52
Forum: CB Radio Repair and Troubleshooting
Topic: 148 channel readout.
Replies: 6
Views: 5227

Thank's for that info m8.
I will have a look around the pll area tonight.
I shall keep u posted.
by pink148
Monday 10th Jul 2006, 0:51
Forum: CB Radio Repair and Troubleshooting
Topic: 148 channel readout.
Replies: 6
Views: 5227

Thank's rick for the reply but my cobra is a mk1 with the pll mb8719.It is reading the correct frequency and the correct channel display..i.e.12=27.555 but then ch6 is also 27.555.
i am getting double frequencys on al 3 bands low mid and hi. on all modes.

Hope this helps a little bit.

thank's again.
by pink148
Sunday 9th Jul 2006, 21:36
Forum: CB Radio Modifications
Topic: b525 switching transistor
Replies: 7
Views: 7011

Thank's for the info.I found a place in england (uk) that had Bd 136.Guess what they worked fine.Thanks for all the hel i got and thanks for the use of the forum.

http://www.bowood-electronics.co.uk/
by pink148
Sunday 9th Jul 2006, 21:09
Forum: CB Radio Repair and Troubleshooting
Topic: 148 channel readout.
Replies: 6
Views: 5227

148 channel readout.

Hi all.After some time i brought my early cobra148 gtl-dx down from the loft just to remanice the good old days.The radio was working fine before i put it in a box and up the loft.But now it has developed a problem with the channels they seem to be doubling up.What i mean is every 6 channels it repe...
by pink148
Sunday 2nd Jul 2006, 9:02
Forum: CB Radio Alignments
Topic: superstar 3900
Replies: 5
Views: 10115

superstar 3900

Hello to all,
can anyone tell me what is the best way to calibrate my ssb frequency on my superstar 3900 i have the plug in frequency counter. when it reads 27.555 every on tells me that i am of frequency.I am confused !can anyone help ?
thank's in advance...
by pink148
Sunday 25th Jun 2006, 21:41
Forum: CB Radio Modifications
Topic: b525 switching transistor
Replies: 7
Views: 7011

Thank's Rick for the info.
I will go have a look.
by pink148
Saturday 24th Jun 2006, 23:16
Forum: CB Radio Modifications
Topic: b525 switching transistor
Replies: 7
Views: 7011

Ok thank's again.
by pink148
Saturday 24th Jun 2006, 20:10
Forum: CB Radio Modifications
Topic: b525 switching transistor
Replies: 7
Views: 7011

Hi there.Thank's for the reply.Could you tell me where to buy some of these as i have tried truck-king and also knights...Still no joy !
Thank's.
by pink148
Saturday 24th Jun 2006, 9:36
Forum: CB Radio Modifications
Topic: b525 switching transistor
Replies: 7
Views: 7011

b525 switching transistor

Hi all. Can any on tell me where to buy a replacement transistor for my mk1 cobra gtl-dx.I have tried my local radio store and the ones that they sell dont do the job ! Here is the part i am looking for...Swithching transistor B525..The mk1 cobra has 3 of these one of mine is down...i.e no output po...

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