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Here's the link to cbtricks if anyone is still instressted it's free cbtricks.org

How'zit do you still need info on the DX500 And are you looking to convert the CW to AM on that amp. Here's some info on how to convert it.

How'zit lonestarbandit he could test them in the circuit he just has to lift the tap BCE off the board and he can test them. But by the way his postings sound like he doesn't have the right test equipment to test things. He said he had a multimeter on hand so he could use the to test for OL...

How'zit you can test it by lifting the Base, Emitter and Collector while it's still in the amp. NOTE: Don't hold the solder iron to long on the removal prosses just enough to float the solder and lift it up with pick tool. If you have a transistor tester to check it that's good, but if not...

Cool brother almost there then. Just watch that video to manually key the amp and set the bias before you hookup the radio to it. Then it should be all good.

How'zit by looking at the combiner it shows signs that it got hot. If you test that 100ohm 2w metal oxide resistor it might be bad and it will blow those DEI transistors in that section. The splitter on the input should be alright. Do you have a transistor tester like those DS55 or so? I...

Also you need to check the bias before you put RF into the amp or it will blow those Transistor's. 0.676 / 0.68 Bias Volt Setting would be good. I would've put HG2879's in there to replace those DEI's they would run better and also, I would replace the Output Capacitor's with 1000pf Metal...

Hope this one work's Let me know

'that's great, is there a diagram with the parts locations? I I'm trying to see how to get the picture's out of my file's on my laptop.

Texas Star DX 400 - DX 500CB-Tricks.com DX 400 and DX 500 PARTS LIST Capacitors Ref. No. Value NOTES: C1 15pF Ceramic Disc C2 0.022uF to .1uF Ceramic Disc C3 1000pF Ceramic Disc C4 1000 uF 16v Electrolytic C5 150pF Ceramic Disc C6 330pF Ceramic Disc C7 0.068 uF...

How'zit are you still looking for information for the DX500 Let me know I got all the Texas Star Amplifier Part's Layout's, Part's List's and PC View's. Just give me your email address and I'll send it to you. Braddah Vic