Re: wg6100 HV problem

Is it / was it producing any high voltage?

What are the voltages from each pin of Q900 to ground?

On Mon, Oct 26, 2009 at 11:28 PM, Kevin Moore <talon.k@gmail.com> wrote:

> I picked it up from another local collector, not sure where he got them.
> They were NIB.
>
> Kevin
>
>
>
> On Mon, Oct 26, 2009 at 9:21 PM, Mark Shostak <shostakmark@gmail.com>wrote:
>
>> 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 Tue Oct 27 00:48:38 2009