Re: wg6100 HV problem

Yes it would produce high voltage, but it would burn up before I could get
measurements on the q900.

So I swapped the Flyback, and all is good again so far.

Kevin

On Mon, Oct 26, 2009 at 10:48 PM, Mark Shostak <shostakmark@gmail.com>wrote:

> 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 09:52:44 2009