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40-145 speaker issue
#12

Measure dc voltage from + pin7 of the 7Y4 to- chassis. Should have about 200v. Measure  dc voltage from pin2 of the 7B5 to chassis. Should have 180vdc but I'll  bet you don't.
Terry


Messages In This Thread
40-145 speaker issue - by OldRestorer - 03-12-2015, 10:17 PM
RE: 40-145 speaker issue - by sam - 03-13-2015, 04:06 AM
RE: 40-145 speaker issue - by Radioroslyn - 03-13-2015, 06:39 AM
RE: 40-145 speaker issue - by OldRestorer - 03-13-2015, 09:34 AM
RE: 40-145 speaker issue - by sam - 03-13-2015, 11:44 AM
RE: 40-145 speaker issue - by morzh - 03-13-2015, 11:50 AM
RE: 40-145 speaker issue - by OldRestorer - 03-13-2015, 12:03 PM
RE: 40-145 speaker issue - by sam - 03-13-2015, 12:11 PM
RE: 40-145 speaker issue - by morzh - 03-13-2015, 01:40 PM
RE: 40-145 speaker issue - by Radioroslyn - 03-13-2015, 05:00 PM
RE: 40-145 speaker issue - by OldRestorer - 03-16-2015, 04:47 PM
RE: 40-145 speaker issue - by Radioroslyn - 03-17-2015, 07:19 AM
RE: 40-145 speaker issue - by OldRestorer - 03-17-2015, 09:46 AM
RE: 40-145 speaker issue - by OldRestorer - 03-17-2015, 10:45 AM
RE: 40-145 speaker issue - by morzh - 03-17-2015, 10:51 AM
RE: 40-145 speaker issue - by OldRestorer - 03-17-2015, 10:51 AM
RE: 40-145 speaker issue - by Radioroslyn - 03-17-2015, 03:05 PM
RE: 40-145 speaker issue - by OldRestorer - 08-19-2015, 05:44 PM
RE: 40-145 speaker issue - by OldRestorer - 08-20-2015, 09:44 AM
RE: 40-145 speaker issue - by sam - 08-20-2015, 11:43 AM
RE: 40-145 speaker issue - by Raleigh - 08-20-2015, 02:39 PM
RE: 40-145 speaker issue - by OldRestorer - 08-20-2015, 02:50 PM
RE: 40-145 speaker issue - by Raleigh - 08-20-2015, 03:27 PM
RE: 40-145 speaker issue - by sam - 08-20-2015, 07:20 PM
RE: 40-145 speaker issue - by OldRestorer - 08-21-2015, 01:46 AM
RE: 40-145 speaker issue - by sam - 08-21-2015, 02:52 AM
RE: 40-145 speaker issue - by Raleigh - 08-21-2015, 04:09 PM
RE: 40-145 speaker issue - by OldRestorer - 08-22-2015, 05:33 PM
RE: 40-145 speaker issue - by sam - 08-24-2015, 01:47 PM



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