Roger, G3YRO, is the resident FT-101 man and he has some good advice that I have not seen in the service manuals and get's buried in these threads. I think it would be a good idea to have it all in one thread on the first post and just edit it accordingly with any additional tips so this stuff doesn't get lost forever and we can just reference this thread accordingly. Roger if there's any stuff here you want to add/edit/etc. let me know. * Adjust SSB Crystals on PB-1184 1) Go to USB. Turn on 100hz calibrator. 2) Rotate dial so the tone is about 1000hz. 3) Adjust preselector for S9+ 10dB. 4) Rotate tuning dial to lower the tone and STOP at S9. 5) Adjust USB variable cap to shift the tune to 200hz (it may have been higher or lower than this to start with). 6) Repeat 4 and 5 in the LSB position, and adjust the LSB Trimmer. * S-Meter Calibration 1) Turn the Calibrator to the 100kHz position. 2) Tune in the signal so the tone is around 1kHz on 14.200. 3) Peak the Calibrator (making sure you have a Dummy Load connected, or else it will read incorrectly). 4) Set the S Meter pre-set so it reads S9+25dB. * Power Output and Alignment (Re-check every ~5 years and when changing tubes) To adjust these Trimmers, tune up in the normal way, then reduce the Carrier knob so that you only have around 100mA PA current... then peak the trimmers for maximum current on the meter (that equals maximum drive). So it's best to do one band at a time. The best way to do this is in the middle of each band, with a Dummy Load connected, and using the Calibrator on receive, and adjusting the power level to 100mA, as above. Turn the Carrier control back down if the current gets higher while adjusting. 1) Peak the calibrator signal on the Preselector (to give you a starting point). 2) Transmit, and peak the Band Crystal Osc Trimmer for that band for max current. 3) Transmit, and adjust the Preselector Knob for max current. 4) Transmit, and adjust the Grid Trimmer for that band for max current (careful not to short the trimmer to the screening plate, as there is high voltage on it!). 5) Transmit, and peak the Mixer Trimmer for max current 6) On receive, peak the RF Stage Trimmer for maximum S Meter. 7) Go to the next band and do it all again. Note: On 10m, there is NO Grid Trimmer... so ignore Step 4... Do Step 5... but then try re-adjusting the Preselector knob to see if you get more Current (Step 3)... if it increased, you will then have to re-peak the Mixer Trimmer again, and repeat these two steps until there is no improvement in the power level. This 'juggling' will only be necessary if the Valves you are using have very different internal capacitance to the original ones. * Tuning Up 1) Once on the part of the band you want to operate on, tune in the Calibrator and peak the Pre-selector on Recive for max S Meter. 2) Set the PA Tune capacitor roughly where that band is marked, set the Load capacitor to 0. DO THE FOLLOWING STEPS IN 2 SECOND BURSTS AT A TIME: (with a few seconds gap between each transmit burst) 3) On Tune position, go to transmit (using the PTT so you can do it in short bursts) - start with the Carrier level low (Number 3) and peak the PA Current for max using the Preselector. 4) Next, rotate the Tune control for a Dip, ie minimum current. This should also correspond with a peak in output on your external Power Meter. 5) Now turn the Carrier level up full and see what the PA Current is reading. When the PA is properly Loaded, you should end up with nearly 400mA dipped current. 6) Presuming the dipped current is still low, advance the Load control one notch, then re-dip the PA current using the Tune control. 7) Keep repeating the last step, one notch at a time (in short bursts) until you no longer get a proper Dip. So then go back one notch on the Load control. This should also correspond with maximum RF Output power on your external meter. * Misc Stuff - If calibrator signal is weak Antenna Relay is not at fault as that goes in AFTER the relay. - FT-101 series uses Grid Block Keying. - To test other rigs for grid block keying or cathode keying: use a multimeter across the end of a cable plugged into the Key socket. Switch to Transmit and then read the open circuit voltage. Then with your meter on a Current range, switch to Transmit and measure the current it takes to short out the line.