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DIY HiFi Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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DIY HiFi Forum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Re: help with ella hum posted by tokyofist on March 23, 2006 at 19:05:55:
Dave,
The OPT are just one long, long wire between the speaker + and - terminals hence the continuity you observed. I would go back and double, triple and quadruple check all the changes you made. I know sometimes I just have to stare at the circuit for ages until I recognise a problem. Also you might try verifying all the ground connections around the circuit ie. one probe of the multimeter on a known good ground eg PS PCB and then rove around the audio PCB and o/p tubes checking all the ground connections. If you've real buzz-saw hum your probably looking for a disconnection, not just fractions of ohms.
Good luck!
Rod
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Follow Ups
- Re: help with ella hum - RHone 21:00:36 03/23/06 (1)
- Re: help with ella hum - tokyofist 04:40:52 03/24/06 (0)
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