[TechAssist] Re: Fixed!! Re: 2nd tryRCA HD65W40 ATC311A2 hv leak at focus/screen control
- From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 24 Jan 2006 10:22:56 -0600
No, it was in-series at the end of the focus lead from flyback.
BTW When i first found this the focus lead with capacitor was on the screen
terminal on focus/screen assy.
Dan W
Wizard Electronics
wizhd@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "Larry" <schntv@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, January 24, 2006 9:51 AM
Subject: [TechAssist] Re: Fixed!! Re: 2nd tryRCA HD65W40 ATC311A2 hv leak at
focus/screen control
>i can see no way the focus could work with a capacitor in
> series with the lead.
> is this cap mounted on the PCB?
>
>
> Dan Williams wrote:
>
>> larry,
>>
>> Yes in-series, not to ground & these wires are the ones "on" the
>> focus/screen assy
>>
>> Manufacturer says no component in series on either line. Spoke with two
>> techs from RCA, two different times, that stated the same thing. Since
>> it
>> is working fine now and considering the information from the
>> manufacturer, I
>> will run it w/out the cap installed and take my chances.
>>
>> Dan W
>> Wizard Electronics
>> wizhd@xxxxxxxxxxxxxxxx
>> ----- Original Message -----
>> From: "Larry" <schntv@xxxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Tuesday, January 24, 2006 8:55 AM
>> Subject: [TechAssist] Re: Fixed!! Re: 2nd tryRCA HD65W40 ATC311A2 hv leak
>> at
>> focus/screen control
>>
>>
>>
>>>when you say , in line, do you mean to ground or in series?
>>>also switched wires would NOT make the focus too high, but
>>>would the screen voltage.
>>>the screen would have a capacitor, maybe you have miss
>>>identified these circuits.
>>>larry
>>>
>>>
>>>
>>>Dan Williams wrote:
>>>
>>>>OK techs, here is the "skinny" on this. A tech was at this project
>>>>before
>>>>me
>>>>and had the focus/screen control from flyback reversed for one, causing
>>>>too
>>>>much voltage on focus to pic tubes. Thus the hv leaking as stated prev.
>>>>Also
>>>>a capacitor (marked .101 12k) was inline with the focus line from
>>>>flyback
>>>>transformer.
>>>>Called RCA TECH-ASSIST and they say no components inline with focus nor
>>>>screen lines to focus/screen control assy, which I was pretty sure of
>>>>anyways, but now CONFIRMED.
>>>>
>>>>Maybe someone on the assy line screwed up?? Did this speed up the
>>>>failure
>>>>of
>>>>the hv splitter and resistors??
>>>> Anywho, unit has ran good for a full day.
>>>>Fun, Fun Fun!!!!!!
>>>>
>>>>Dan W
>>>>Wizard Electronics
>>>>wizhd@xxxxxxxxxxxxxxxx
>>>>----- Original Message -----
>>>>From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>Sent: Monday, January 23, 2006 2:47 PM
>>>>Subject: [TechAssist] Re: 2nd tryRCA HD65W40 ATC311A2 hv leak at
>>>>focus/screen control
>>>>
>>>>
>>>>
>>>>
>>>>>O.K. I'll answer this question. NO says RCA TECH ASSIST
>>>>>I will bypass it and let u guys know how it goes!!
>>>>>
>>>>>
>>>>>Wizard Electronics
>>>>>wizhd@xxxxxxxxxxxxxxxx
>>>>>----- Original Message -----
>>>>>From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
>>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>>Sent: Monday, January 23, 2006 11:19 AM
>>>>>Subject: [TechAssist] Re: 2nd tryRCA HD65W40 ATC311A2 hv leak at
>>>>>focus/screen control
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>Anyone seen a projo with a capacitor inline with screen control from
>>>>>>flyback
>>>>>>to screen/focus control assy ?????????
>>>>>>It is a ceramic cap inline, not filter.
>>>>>>
>>>>>>I am about to bypass since I've never seen one used in this manner,
>>>>>>but
>>>>>>don't want more problems.
>>>>>>
>>>>>>Dan W
>>>>>>Wizard Electronics
>>>>>>wizhd@xxxxxxxxxxxxxxxx
>>>>>>----- Original Message -----
>>>>>>From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
>>>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>>>Sent: Saturday, January 21, 2006 1:21 PM
>>>>>>Subject: [TechAssist] RCA HD65W40 ATC311A2 hv leak at focus/screen
>>>>>>control
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>>RCA HD65W40 ATC311A2
>>>>>>>We found resistors R14705, R14719, R14718 open. Replaced resistors
>>>>>>>and
>>>>>>>hv
>>>>>>>splitter # 258512
>>>>>>>Now have hv leaking somewhere around focus/screen control assy.
>>>>>>>
>>>>>>>The screen lead from flyback has a capacitor in line to the "f/s"
>>>>>>>control.
>>>>>>>IS THIS NORMAL?
>>>>>>>
>>>>>>>Another tech has been here before me so I don't know if this is
>>>>>>>normal.
>>>>>>>
>>>>>>>Any help appreciated.
>>>>>>>
>>>>>>>Wizard Electronics
>>>>>>>wizhd@xxxxxxxxxxxxxxxx
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>>>
>>>--
>>>Schneider TV & Electronic Inc.
>>>5415 N. Wooster ave.
>>>Dover, Ohio 44622 www.geocities.com/schntv2000/
>>>330-343-0768 FCC. first class & Extra class K8WLY
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>
> --
> Schneider TV & Electronic Inc.
> 5415 N. Wooster ave.
> Dover, Ohio 44622 www.geocities.com/schntv2000/
> 330-343-0768 FCC. first class & Extra class K8WLY
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