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In Reply to: RE: 240hz hum through left channel posted by vkung on September 5, 2016 at 17:35:39:
Dear Sir,
While checking your suggestions Q3 & Q5... I was double checking everything around this area and noticed that Zenner Diode ZD1 is allowing current to flow through both directions.
Seems like this may be an issue! >.<
I will replace today and report if issue is corrected.
Thank-you for all your help.
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Follow Ups
- RE: 240hz hum through left channel - LKP48 19:01:38 09/05/16 (9)
- RE: 240hz hum through left channel - vkung 19:11:57 09/05/16 (8)
- RE: 240hz hum through left channel - LKP48 19:16:00 09/05/16 (6)
- RE: 240hz hum through left channel - vkung 19:21:42 09/05/16 (5)
- RE: 240hz hum through left channel - LKP48 20:34:02 09/06/16 (4)
- RE: 240hz hum through left channel - vkung 23:29:41 09/06/16 (3)
- RE: 240hz hum through left channel - LKP48 07:33:37 09/07/16 (2)
- RE: 240hz hum through left channel - vkung 09:48:54 09/07/16 (1)
- RE: 240hz hum through left channel - LKP48 03:07:02 09/08/16 (0)
- RE: 240hz hum through left channel - LKP48 19:14:57 09/05/16 (0)