Odyssey Bias Board issues

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jaffrie

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Hi Guys,

Would appreciate if someone can advice on the voltages of these 1w Zener Diodes

Thanks
 

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Oh my apologies mine is the 220-240v version.
Guess it should be the same as the US version but just in case.

Thanks again
 
No worries, but just for completeness sake, please let us know what was wrong, and how you fixed it.

Cheers.
 
Hi JonFo,

When I measured that string of diodes notice that the last 4 was opened so I thought zener are gone.
Replaced with new zener , well it was still open when tested with dvm so am scratching my head on this.
Thought problem was resolved as 1 panel is lower in volume. Good news though after replacement of zener
volume is up but it's still lower by 2-3 db. Been surfing to find info on how to balance out the sound level
but found nothing in relation to this particular board . Perhaps you can advice on this Jon.

Thank you
 
Sorry Jon,

If I understand correctly these string of zener is kind of stablizing the voltage before the voltage multiplier.
If this is so why are the last 4 zener tested opened with dvm ?

Thank you again
 
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