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Fuse holders and fuses are good!

Hi 999. Yes I still have the stock set up. I can see power at the front board when checking, but can not see power at the rear board. Also the front wire wound resister on the right side of the board gets very hot. I replaced it with a new resistor of same value and it too gets very hot. Do not...

Hi. My texas star 500 dx has power to the front 2 pills, but no power to the back 2 pills. All power transistors and suspect resistors have been replaced. Any ideas why there is no power to the back 2 pills? Thanks for your help.

Thanks for the information. You know much more about this then I do. What instrument do you use to measure MHz? I have never done that.

No brand name on mic.

Hi to all. I have a mic tester that works well. The mics I test show to be working correctly or not. Testing one mic in the proper jack, the rx light shows green and the tx light shows red as they should, but no modulation when talking. Could this condition be caused by a white audio wire that...

I purchased a Hygain 14 cb base. It powers up, lights come on and changes channels, but no TX or RX. Anyone have any ideas of what the problem might be. I was thinks a blown final, but not sure? Thanks for your help here. Chuck Chuck

Sounds like good advice. Will do. Chuck

Thank for the great information on this. Will do!!!

Hi loose cannon. I was able to get the texas star 500 dx up and running. The only part that I needed to replace was the reverse polarity diode. Wanted to thank you for all your help and patience Sir.

Thank you Sir!!

Hi loose cannon. I have my new reverse polarity diode and am ready to put it in. It is a button type with no marking to tell me which end is anode and which is cathode and looks the same on both ends. Can you tell me how to find which end is which? Thanks Chuck

Tha

Astatic 575M-6 Dan.

Hi loose cannon. You are very helpful and patient with me. I will follow your instructions and let you know how I come out. I will also get a new keying transistor just in case. Thank you for all your help here Chuck Saylor

Hi loose cannon. Your explination and instructions are very clear and most helpful to me with my limited knowledge. Don't know how to thank you for your help! I will be sure to let you know how this comes out when I get the new replacement diode. Chuck Saylor

Thank you for your help here!

These button type reverse polarity diodes have no bands on them.

A picture of the back of the board showing which solder spot is the negative one would be quite helpful. Thank you.

I have had the board out of the mic before. I can see the back of the board, but it is hard to tell which solder spot is the negative one. Do you have a picture of that? Thanks