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Recent content by mike269

  1. M

    GME Electrophone TX560 Tuneup

    Can anyone help with the correct tune up points in this radio....I can not fine any info on these radios Regards Mike (43WR269)
  2. M

    Distortion in tx and rx on 858 chassis radio's

    Tried replacing the tan Cap....made no difference.....I have replaced all the electrolytic caps on all the source rails that feed the radio (10 caps)
  3. M

    Distortion in tx and rx on 858 chassis radio's

    None of my other radios have the problem....washington 8719 pll, super cheater 2824 pll, Robyn sb520d 858 pll, super panther 02a pll. so I would say there isn't any interference around.
  4. M

    Distortion in tx and rx on 858 chassis radio's

    Power supply is good, very clean on scope. Voltage is 13.8Vdc and power leads can handle 15amp easy.
  5. M

    Distortion in tx and rx on 858 chassis radio's

    I have 2 radio's with the same faults, one is a trc457 and the other is a trc449. Both radio's have distortion in the rx and tx. Has any body had the same problems? does anyone have a fix. both radios have the same 858 chassis so it seems it may be a common problem. you can hear it loudest if...
  6. M

    Super Star 1604 UFO

    Hi, does anyone have the instruction/installation manual for a Super Star 1604 UFO
  7. M

    Uniden Washington PC-385 PCB Final keeps exploding

    Hi All, I finally fixed the fault if anyone is interested. R88 had one solder joint bad, once fixed the radio is working great. Cheers, WR269 Mike
  8. M

    Uniden Washington PC-385 PCB Final keeps exploding

    My Washington (MB8719) keeps blowing finals. I have gone through 2 originals and 2 Eleflows....getting to be a costly fix. I have spent days inside checking everything I could think of...Bias settings, Transistor voltages, component values in the surrounding circuitry all seem to check out ok. I...
  9. M

    Cybernet Chassis Radio Issues

    Hi, did you find the fault with you radio's? I am currently working on 2 super panthers (PLL02A Cybernet Chassis PTBM048AOX) with the same fault, been chasing my tail also. I have the maintenance manual (it's helpful but a Service manual would be better) and I have a schematic, board layouts and...
  10. M

    Uniden AX144 - Pearce Simpson Super Cheetah TX/RX multiple channels

    I have 2 radios, one is a uniden ax144 and the other is a pearce simpson super cheetah. Both have almost identical chassis and both have the same fault. In tx or rx mode you can receive or transmit approx 10 channels either side of any selected frequency. The signals are at a much lower level...
  11. M

    Uniden Washington Service Manual

    Hi 399, Have you had a chance to copy the trc490 manual ? Cheers Mike
  12. M

    Uniden Washington Service Manual

    That will be awesome
  13. M

    Uniden Washington Service Manual

    I have part of the manual...not very good quality....but still helpful
  14. M

    Uniden Washington Service Manual

    CBTRICKS is a great site with a lot of resource material...I use it quite regularly but the site does not have a copy of a service manual for the Uniden Washington (MB8719). I have spent a great deal of time scouring the internet looking for one and have come to the conclusion that there isn't...