Question about Computers & Internet
Ts 2000x ATU will not tune - beeps high SWR once AT switch pressed even on dummy load. Antenna SWR checked ok. Tx power seems lower than normal with no SWR and ALC meter deflection. SWR meter reading normal if ATU switched off? RX ok with or without ATU.
You've replaced the pre driver, the drivers and finals. Set bias and still low output. The pre driver is the same transistor used as the tx exciter transistor on other pcb chassis on bottom of radio. Follow the gray coaxial wire from the pre driver on the RF circuit board back to the tx/rx i.f. Circuit board. The gray coax cable plugs right next to the tx exciter transistor on this pcb. Again it's on a different pcb all together and on the bottom of the radio and also. Replace it! And check for open bias or emitter to ground chip resistor next to it. You will get your drive back. Very few rigs have I seen the actual Finals blown in the mosfet or the bipolar version. Just the driver stage with a week pre driver and the SMT "pre" pre driver on the same RF pcb. And the tx exciter on the other pcb.
Posted on Jan 13, 2015
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Apr 01, 2017 | Radio Communications
Feb 05, 2014 | Kenwood TS-2000
Apr 23, 2012 | Furuno FS1503 (199 Channels) 2-Way Radio
Jun 12, 2009 | Radio Communications
Jun 10, 2009 | Computers & Internet
Jun 09, 2009 | Radio Communications
Apr 26, 2008 | Radio Communications
Aug 23, 2007 | Cobra 29 LTD CB Radio
877 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: