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pioneer sx1500td blowing fuse
#59

When I check a transistor I remove from circuit.Based on PNP or NPN I put pos. on base or neg on base and do the BE BC reading on ohm setting then do E to C. and CtoE should get no reading. then pos. or neg. opposite of what it should be. example NPN I put the neg on the Pbase and should get no reading to E or C. If this is wrong correction is appreciated. ( The Q3,4,5,6 (NPN 2SC497) and Q7,8, 2sa497 PNP I installed new with NTE128 for the NPNs and NTE129 for the PNPs Q7&8).
I suppose one of them could be bad or burnt out when I first repowered unit up but the symptom was the same as before I did any work on the unit. I have ordered new resistors and the small value caps for the board and will recheck all the transistors out of circuit.


Messages In This Thread
pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 11:59 AM
RE: pioneer sx1500td blowing fuse - by morzh - 11-24-2014, 01:08 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 03:05 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-24-2014, 03:47 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 04:16 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-24-2014, 04:21 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 05:04 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-24-2014, 05:15 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 05:28 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 06:02 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-24-2014, 06:55 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 07:57 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-24-2014, 09:54 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 10:51 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-24-2014, 11:44 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-25-2014, 12:18 AM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-25-2014, 08:51 AM
RE: pioneer sx1500td blowing fuse - by morzh - 11-25-2014, 12:22 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-25-2014, 01:28 PM
RE: pioneer sx1500td blowing fuse - by BrendaAnnD - 11-25-2014, 03:44 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-25-2014, 04:10 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-25-2014, 04:15 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-25-2014, 06:31 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 11-25-2014, 07:34 PM
RE: pioneer sx1500td blowing fuse - by morzh - 11-25-2014, 08:02 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 12-15-2014, 02:45 PM
RE: pioneer sx1500td blowing fuse - by morzh - 12-15-2014, 03:01 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 12-15-2014, 03:16 PM
RE: pioneer sx1500td blowing fuse - by morzh - 12-15-2014, 03:22 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 12-15-2014, 03:35 PM
RE: pioneer sx1500td blowing fuse - by morzh - 12-15-2014, 03:48 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 12-15-2014, 06:56 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-06-2015, 01:09 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-06-2015, 03:28 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-06-2015, 05:40 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-06-2015, 10:07 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-06-2015, 10:16 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-06-2015, 10:22 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-06-2015, 10:26 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-06-2015, 10:31 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-06-2015, 11:14 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-07-2015, 10:53 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-08-2015, 12:44 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-08-2015, 12:53 AM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-08-2015, 10:35 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-08-2015, 11:59 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-09-2015, 07:34 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-10-2015, 12:04 AM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-10-2015, 12:27 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-10-2015, 12:57 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-10-2015, 01:12 AM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-10-2015, 10:01 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-10-2015, 10:56 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-11-2015, 03:46 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-11-2015, 07:08 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-11-2015, 11:05 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-12-2015, 12:23 AM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-12-2015, 11:12 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-12-2015, 01:07 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-16-2015, 09:55 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-16-2015, 10:53 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-16-2015, 11:02 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-25-2015, 11:02 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-26-2015, 12:08 AM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-26-2015, 05:14 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-26-2015, 06:15 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-26-2015, 07:28 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-26-2015, 07:34 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-28-2015, 12:57 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-28-2015, 01:40 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-28-2015, 03:00 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-28-2015, 04:16 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-28-2015, 10:34 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-28-2015, 10:56 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-28-2015, 11:32 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-29-2015, 12:13 AM
RE: pioneer sx1500td blowing fuse - by morzh - 01-29-2015, 04:31 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-31-2015, 04:21 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-31-2015, 06:09 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-31-2015, 07:16 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-31-2015, 08:03 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-31-2015, 08:12 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-31-2015, 08:57 PM
RE: pioneer sx1500td blowing fuse - by morzh - 01-31-2015, 09:22 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 01-31-2015, 10:37 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 02-01-2015, 08:55 PM
RE: pioneer sx1500td blowing fuse - by morzh - 02-01-2015, 09:19 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 02-01-2015, 10:09 PM
RE: pioneer sx1500td blowing fuse - by morzh - 02-01-2015, 10:25 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 02-01-2015, 10:55 PM
RE: pioneer sx1500td blowing fuse - by morzh - 02-02-2015, 09:24 PM
RE: pioneer sx1500td blowing fuse - by Eliot Ness - 02-02-2015, 09:36 PM
RE: pioneer sx1500td blowing fuse - by morzh - 02-02-2015, 10:33 PM
RE: pioneer sx1500td blowing fuse - by morzh - 02-02-2015, 11:41 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 02-10-2015, 01:57 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 02-10-2015, 08:14 PM
RE: pioneer sx1500td Fixed! - by KCMike - 04-03-2015, 05:41 PM
RE: pioneer sx1500td blowing fuse - by morzh - 04-03-2015, 06:00 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 04-03-2015, 09:37 PM
RE: pioneer sx1500td blowing fuse - by KCMike - 04-09-2015, 08:56 PM



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