Questions & Answers for: magnum 257 problems

Question about 257 CB Radio

1 Answer

magnum 257 thanx mechanic i only use ssb so do you think this info should do the trick? colin Yes, there is info there to do a complete alignment for the transmitter or receiver. I do have to wonder ...

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Magnum 257 No Audio Being Transmitted Hi Guys, could really do with a bit of help on this one, I have just bought a magnum 257, it Transmits fine (power wise) and receives no problem, but I can't get ...

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...magnum 257 i have a opek mic and the wires are red+braid blue black white? i can get it to key up but having trouble with audio can any one help me out? please email me ...

Hi, I have a connex 4600 turbo and I have a problem with the talkback on/off switch wiring. Can you tell me were the white wire attaches to from the switch? Thanks The white wire coming from the ...

Question about 257 CB Radio

1 Answer

no power my rig has switched itself off and the 25 amp power pack and supply is still switched on but when i turn on my cb it goes a faint blue with no power sounds like you blew something. It needs a

...magnum 257 was bought second hand on eBay it works fine on all modes but has no modulation it does tx and rx fine on both 10 meter band and on the " open" bands **** no voice and I have replaced the ...

Question about 257 CB Radio

1 Answer

hi my mag257 when i key the mike .the tx light up but no aduio sign on lcd .leave radio on for 5 minutes key mike again .all working .your roger Hi sounds like bad caps in your radio.. also if your ...

Magnum 257HP ,Poor TX audio , tried several mics ,SSB ALC , Bias no effect . Did not align TX lower stages . AM , FM are perfect , all RF power outputs perfect , looks good on scope with generator but

Magnum 257 HP , no problem at all on AM or FM , modulation OK. SSB is distorted with low modulation , higher modulation seems to make it better but not consistantly . Used dummy load , BK CB tester ...

Question about 257 CB Radio

1 Answer

Magnum 257 which tx and rx fine, the problem is when im on USB people tell me the audio is distorted or clipping out. When I go to LSB the audio is perfect, AM and FM are also fine, just problems with

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