Where did you get the flyback?
On Mon, Oct 26, 2009 at 10:07 PM, Kevin Moore <talon.k@gmail.com> wrote:
> Well orignally, it had a blown flyback, and most of the caps were shot.
> Replaced the flyback, caps, put a zanen kit in basically. It came right up
> after all that. Ran for about 48 hours, then blew c902, and took out r901.
> Replaced the cap, and resistor, now it eats r901 in 10-15 mins. Looks like
> the new flyback I installed might have gone bad.
>
> Kevin
>
>
>
> On Mon, Oct 26, 2009 at 8:47 PM, Mark Shostak <shostakmark@gmail.com>wrote:
>
>> Is it / was it producing any high voltage?
>>
>> What was the original symptom when you started?
>>
>> What has been done, other than replacing R901, R907, Q900 & Q906?
>>
>> Did you install or recently install a cap kit?
>>
>> What are the voltages from each pin of Q900 to ground?
>>
>> Thanks,
>> -Mark
>>
>>
>> On Mon, Oct 26, 2009 at 8:04 PM, Kevin Moore <talon.k@gmail.com> wrote:
>>
>>> Hello all,
>>>
>>> Trying to figure out a problem with a HV board. I'm pulling about 16v
>>> across R901. R901, and R907 have been replaced with 3.9ohm 5watts. But for
>>> the life of me I haven't been able to figure out why it's pulling that much
>>> voltage. My others are only pulling about 2-3v. Naturally it burns up the
>>> resistor in short order.
>>>
>>> q900, and 906 don't appear to be shorted, and I have swapped them for
>>> good measure. I've been taking measurements, and checking everything, and
>>> all seems good. I've been staring at these schematics now for hours trying
>>> to figure out where the problem might be, and I'm at a loss right now. Brain
>>> has officially locked up for the evening.
>>>
>>> Hoping one of you guys can point me in the right direction.
>>>
>>> Thanks,
>>>
>>> Kevin
>>>
>>>
>>
>
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Received on Mon Oct 26 23:22:00 2009
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