Question about Radio Shack TRC-447 CB Radio

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Will you reply to this post?

I saw that you had alot of posts about this radio so i figure you would know a bit about it. But then agian it maybe just a general question.

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Not uncommon, Sun spots, all the electronic trash in the air from tvs wifi etc. also make sure you tuning is as tight as possible so you will be sending out and receiving the cleanest signal possible

Posted on Aug 03, 2009

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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I also have a fried zd3 on my boston acoustic mcs 95 Sub amp board. Do you know the radio Shack part number you used and did your amp power up? My Sub is not working. No power and no green light but my...

zd3 is a zenna diode, you will need to find the volts that it triggers at, most amps (99%) have a mirror circuit board so all components are dobbled so this will help you find what you need Re: Jeff

Nov 25, 2012 | Radio Communications

1 Answer

I have my cb grounded and a wire ran to the postive side of my battery terminal and the antenna wire ran and my cbs channels wont come up we thought it was jus my cb so we hooked another up and it did the...


Here is the deal, even with out antennas hooked up, you should get at least your channels on your cb showing, no of course you would have all noise and distortion with out antennas hooked up. And sense you hooked another cb up with same results it tells me, number one, it is not most likely your cb. If your channels are not even lighting up, then this tells me it is not getting power. I know you said that the cb is grounded, and there is a wire ran to the positive post of the battery. What I would do first of all make sure proper wire on cb is grounded and not reversed accidentally, but what i believe is your not getting power to the unit, if it was properly installed, there should be a inline fuse from the cb radio to the positive post the wire is connected to on the battery. I believe there is a inline fuse that is blow, or not a good connection on the post of the battery. To test this theory, take a long piece of same size wire gauge, and run direct from positive on battery to positive post on battery, of course making sure that the proper wire off the cb is grounded (must be grounded to something metal, might find different spot to ground the radio if not for sure on metal) If you get lights going on then on radio, then your problem, was not a good connection or inline fuse on positive wire that maybe you didn't see was blown. Let me know Mike

Aug 26, 2011 | Radio Communications

1 Answer

When i talk to someone, all they hear is squealing and cannot hear what i'm saying, this is a brand new cb

Hi dm,
Welcome to FixYa.
My name is John. I will be assisting you with your issue.
Take the end of the mic. apart and check for a wire loose
touching another wire. Post back on reply.

Jan 31, 2011 | Midland 1001Z 40-Channels Base CB Radio

2 Answers

The frequency goes off track once in a while till I bump it on the bottom and it goes back to 27.185 but can't figure out why it jumps tracks and neither can 6 so called cb repair men one who has a college...

Hi malone

This sounds like a ground maybe a little loose ground in side the radio. Let me ask you if you can still use the radio with it off of freq. or does totally loose its brains with no rx or tx on right channel while it is displaying the freq. drift? reason i want to know is there is alot circuits that are involved in this radio for both the display and actual freq. error.

Aug 20, 2010 | Galaxy Radios DX-99V 40-Channels Base CB...

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I was told I could run the galaxy 94hp on posts in semi truck

The Binding Posts as they are actually known are for hooking up Radios and such and have been a common feature of most truck manufactures for well over 20 years they are for convenience and to help keep down on wiring problems due to folks making poor connections to the trucks wiring harness and Yes they are sufficient to run that radio as most will support up to 500 watt amps.

Nov 11, 2009 | Radio Communications

1 Answer

I have an older style Superstar 3900 that is ''deaf''

in the middle of board. towards the back there is a IC .. that is a preamp, and all the diodes for the RX and the bigger tunning transformers with the big red(sometimes) ferrites are for the RX if cannot figure it out contact me further infomatiion

Nov 03, 2009 | Radio Communications

2 Answers

Galaxy dx 77 hml

I'll be back in my shop on the 24th. I'll open a 959 and see if it has the same configuration and maybe it will help. My nuber is 307-266-4675. I hope it helps.
NC Electronic
Mills, Wyoming

Jan 06, 2008 | Galaxy Radios DX- 88HL Base CB Radio

1 Answer

Cb radio

Hi, A couple of switches and knobs you can check (if present in your rig): 1. auto noise/noise blanker switch - try off position; 2. dynamic squelch control - lower down setting; 3. RF gain - should be at max (clockwise); and 4. Delta Tune - normally should be centered. Hope this works out for you and give you an idea where to start. Good luck and pls post again how things turn up. Kind regards.

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