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I have a board from a junk Yaesu FT101B. I am trying to identify one of the filters . It is unmarked completely no stamps no numbers. Can anyone tell if it's for AM or CW?
Hey 399 I need a schematic for the
Hello 399 Black Sheep here I need a schematic for RCI 2980 I actually have a Northstar NS 9500 same board as a Galaxy 99v as you stated earlier I'm having trouble with the board behind the switches on the front panel that has the low RF power pot on it. The...
Looking closer I found that the power and ground wires have been replaced with 8g Chinese wire. Copper clad aluminum sodered together. GALVANIC corrosion. Wire turned to powder. Was doing 350 watts Now months later sitting on the shelf. Just hooked up and low output. Changed the power leads to...
I have had this radio for about a year and it slowly started to lose am receive. At this time it was still transmitting fine with good modulation. Now most of the time it has no receive on am . When I key the the microphone it has very
Low rf power on am 3/4 watt with variable turned wide open...
Trying to help a friend get set up. He has a galaxy dx 88 hl no receive and malfunctioning 10 khz jump switch I fixed the receive problem D77 with (2) 1n4148 in series. The 10 khz switch in the normal position the frequency meter reads 24635. The unit does not have tx power. No receive or...
My rf power is fluctuating from 1/2 to 12 watts . I set the dead key on 2 1/2 watts to drive my amp. Could this be a bad final? Or a bad capacitor? I have not opened the radio yet. I suspect it could be a capacitor near the voltage regulator. Cb tricks symptoms and cure database has been down...
Check for a bad jumper. Replace your coax with low loss like LMR 400 / or Belden 9913. The coax quality is just as important as the antenna. More power out the tip of the antenna equals less problems with stray rf and tvi. Add more ground rods. Do not use the ground for the electrical services...
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