开云体育

not piling on here... i purposely purchased a tx-500 spare in the off-chance my first (a used one) went tango uniform... of course, i am a bit of a sick monkey when it comes to things like this - if i

Jeff, I too understand your frustration. The repair gentleman is a good guy. He caught pneumonia and that is no joke. I am a retired firefighter of 35 years. I have caught pneumonia 4 times and it is

Jeff, I understand your frustration concerning this matter, however, let me put this into perspective a bit. I've owned many brands of radios and still do. Over the years I've had to send in

With disappointment only for the service and support of the TX-500, I present my own cautionary tale of ownership. https://ke9v.net/2023/05/23/lab599-odyssey.html Obviously, YMMV and I hope you have

there is one for $899 at HRO anaheim

Mine happened with the standard speakerMike attached, while using the "Tune" to see the swr curve of an antenna. wrote:

Maybe. I switched from the speakermike to headphones and at the same time to a new antenna. But then the audio amp is internally connected to ground twice, signal and power. The output is

As you can see from the cable manual, this digital audio amplifier is not connected to GND. 发送自我的盖乐世 -------- 原始信息 -------- 发件人： "HB9GWK via groups.io"

I don't know. How comes it doesn't happen with the bundled speakermike?

I am the high standing wave killed the audio and replaced the audio IC. 发送自我的盖乐世 -------- 原始信息 -------- 发件人： "HB9GWK via groups.io" <hb9gwk@...> 日期:

发送自我的盖乐世 -------- 原始信息 -------- 发件人： "HB9GWK via groups.io" <hb9gwk@...> 日期: 2023/5/16 20:28 (GMT+08:00) 收件人： [email protected] 主题： Re:

Opened it up. Found out that the audio amp was dead. It's an NXP TDA7056AT - deprecated but I found a few in China, can recommend www.utmel.com ( http://www.utmel.com ). TX-500 block diagram says the

Good call. I must say that one adjustment I would like to make is the scan width of the scope and change the way the way the filter bandwidth is displayed. My only complaint is the reversed display, I

Yes sir.I have seen others request this upgrade also. I hope everyone chimes in and get's Lab599 attention.

Hi Cecil, I assume you were in contact with Lab599 for this change request, otherwise they'll not know about it. 73 Stephan

I hope they add being able to lower power output below 10%.

Since I didn't get an answer form anybody who tried the settings update utility software *successfully* , I asked Lab599. Roman answered my email swiftly and after some forth and back, he sent me a

Thanks. Yes I found there was 2 positive and 2 ground pins. So it seems they are wired in parallel. I wonder what the other two are. Probably data lines to communicate with the main board, e.g.

voltage is present on the magnetic connectors (that is why i cover with tape); use a voltmeter/multitester to check polarity... this topic has been here before, but i don't have the link handy... gud

Hi, Anyone knows the wiring diagram for the connectors on the back side of the TX-500? I'm considering building my own battery pack due to the huge price of the BP-500 (and lack of stock). But then I