Search found 11 matches

by turbo
Saturday 15th Dec 2007, 14:51
Forum: CB Radio Repair and Troubleshooting
Topic: Uniden Grant MB8719pll
Replies: 11
Views: 7844

mb 8719 PLL

if your pll is a german chip you must change to japanese made pll to get proper expanding results
by turbo
Saturday 15th Dec 2007, 13:06
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 29 NW LTD
Replies: 8
Views: 5944

Cobra 29 nw ltd

well every one , you all were wrong . This what was finaly found . The pot on the dynamike was broke , after changing the ta7222 it still had the same symtom . Now working fine . this concludes this repair 8)
by turbo
Monday 3rd Dec 2007, 5:48
Forum: CB Radio Amplifiers
Topic: Palomar 600 Elite HD Dead Key
Replies: 2
Views: 4132

dead key level

four Watts swinging to 8 rms , 40 pep to get max performance
by turbo
Monday 3rd Dec 2007, 5:42
Forum: CB Radio Amplifiers
Topic: Palomar Skipper 300
Replies: 4
Views: 4662

proper voltage

The two large caps should have a total of 600 to 800 volts . sounds like a miss measurment or take from the low voltage section . on average all tube equipment runs 450 volts or higher on the power tubes . if you are not getting this voltage range than you may still have a power suply issue
by turbo
Sunday 2nd Dec 2007, 17:18
Forum: CB Radio Amplifiers
Topic: pills
Replies: 6
Views: 9045

pill power ratings

MRF455 is 60 watts , SD1446 is 70 watt , 2SC2290 is the 80 watt , 2Sc2879 is the 120 watt The most popular 100 watt is the SRF3800 . There are others that are rated at 100 watts . These spec,s are provided by RFparts in the back on there printed catolog . these spec,s also do not rflect the actual o...
by turbo
Sunday 2nd Dec 2007, 15:50
Forum: CB Radio Amplifiers
Topic: Making your own amp
Replies: 5
Views: 7726

home brew amps

Yes there is a very easy to build one . Using info on the internet on web sites like CBtriks primarily , I found the nessasary info to brew up a series of amps froma 1 pill all the way to a 64 pill . some use no board and the larger ones involveing board burning and that a little more involved that ...
by turbo
Sunday 2nd Dec 2007, 15:18
Forum: CB Radio Repair and Troubleshooting
Topic: rci 2995 quit working
Replies: 8
Views: 5661

big radio failure

sounds like you lost a power supply . were you running a fan kit from rci? If not that is probably the problem . This is the number one issue with the piggy back large radios . got to keep them cool
by turbo
Sunday 2nd Dec 2007, 15:01
Forum: CB Radio Modifications
Topic: Where to get parts
Replies: 7
Views: 5886

2sb817 availabilaty

these are at rf parts , also at mcm electronics www.mcminone.com[/url]
by turbo
Sunday 2nd Dec 2007, 12:08
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 29 NW LTD
Replies: 8
Views: 5944

Yes , that is a typo . should read four watts . Finals appear to be good . tested on a dosy test center . Also radio makes correct frequency per channel .
by turbo
Sunday 2nd Dec 2007, 4:49
Forum: CB Radio Repair and Troubleshooting
Topic: Cobra 29 NW LTD
Replies: 8
Views: 5944

Cobra 29 NW LTD

Radio has no audio on TX . 4 watt dead key , RX is fine , Mic is good .PA dose not work . what could this be ? has any one seen this problem before?

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