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38-116 Code 121 Powering Up Help
#26

Hi folks- so I received my 2 6L6 tubes and put them in. My filament volts ac is at 5.9 vac on pins 2 of both 6l6 tubes. Pin 3 on both tubes in 250 vdc and pin 4 on both tubes in 255 vdc. Pin 5 in -19 vdc on both tubes. I also get -19 vdc at the junction of resistors 134 and 135 and -47 vdc where 140 positive goes to ground. From positive to negative for electro cap 141 I get 295 (should be 385 vdc) and i get 250 vdc from positive to ground (should be 315 vdc). i checked the candolm (part 137) and the original checks right for the resistances - 1k and 4 k. the interesting thing is that I do not get any voltage ac for the filament volts past the 6 l6 tubes - CORRECTED - I do get 5.9 vac but it on pin 7 on all tubes past the 6L6 s- the 6j5 driver at pin 2 shows no volts ac on the meter but the tube filament glows. i do hear some humming from the speaker - when the volume is all the way up and I turn my signal generator to about 600 kc I can hear it on band A which is good - and when I push the lever in on the dial it is muting (and unmuting when i release it) - but i do not get any stations. Any ideas?? -- Andy

Andy Sorrell
Palmyra, Virginia


Messages In This Thread
38-116 Code 121 Powering Up Help - by AVSorrell - 07-17-2017, 08:12 AM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-17-2017, 08:21 AM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-17-2017, 09:47 AM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-18-2017, 08:57 AM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-18-2017, 12:05 PM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-19-2017, 09:08 AM
RE: 38-116 Code 121 Powering Up Help - by AVSorrell - 07-29-2017, 02:17 PM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-30-2017, 02:49 PM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-30-2017, 08:10 PM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-31-2017, 08:42 AM
RE: 38-116 Code 121 Powering Up Help - by morzh - 07-31-2017, 01:27 PM
RE: 38-116 Code 121 Powering Up Help - by Chris h - 09-26-2017, 01:19 PM



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