[TechAssist] Re: Zenith PVR4660VK (1995 model) Focus drifts.

  • From: Edward Gaidies <teltek3@xxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Fri, 9 Apr 2004 19:35:23 -0400

LeRoy;
Using OEM may not always be the answer. Certain Transistors require OEM  
for some reason, but in your case look for other problems.

-Ed-
On Saturday, April 10, 2004, at 12:18 AM, LeRoy Westlund wrote:

> OK,...come Monday, I'll shell out $58 "MORE", for the OEM part.
> Zenith wants $133 for one. Too bad we can't use them cheaper generics,  
> cause
> that keeps us from making a decent profit on these kind of jobs. Always
> SOMETHING to stop us from making a living in this business.
>
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main                                "Where there's a will,...
> Centerfield, UT 84622-0087           There's always a way."
> Ph./Fax  435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: Shoreline Electronics <jstielau@xxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Friday, April 09, 2004 10:38 AM
> Subject: [TechAssist] Re: Zenith PVR4660VK (1995 model) Focus drifts.
>
>
>> Most definitely the spiller/focus block.
>>
>> Do NOT use the cheap generic......you have been warned!
>>
>> ==========================
>> Jeff Stielau
>> Shoreline Electronics Repair
>> 344 East Main Street
>> Clinton,CT 06413
>> 860-399-1861
>> 860-664-3535 (fax)
>> jstielau@xxxxxxxx
>> ========================
>> "If you push something hard enough it will fall over."
>> Fudd's First Law of Opposition - Sir Sidney Fudd
>>
>>
>> ----- Original Message -----
>> From: "LeRoy Westlund" <llw@xxxxxxxxxx>
>> To: "TechAssist" <techassist@xxxxxxxxxxxxx>
>> Sent: Friday, April 09, 2004 11:23 AM
>> Subject: [TechAssist] Zenith PVR4660VK (1995 model) Focus drifts.
>>
>>
>>> Hi members,
>>> This Zenith PTV has a fairly good picture after I adjust the focus  
>>> on all
>> 3
>>> tubes, but after about 20 minutes the focus adjustments drifts, and I
> have
>>> to readjust the focus.
>>> When it's cold, the adjustment range on the pots, are about in the
> middle.
>>> After warm-up I have to turn it almost to the full range in the CW
>>> direction.
>>>
>>> The gray wire from the High voltage bleeder assy., measures 44.2K to
>> ground.
>>> I understand that it should OHM out between 48-51K. I am thinking  
>>> about
>>> ordering a new Focus block assy., from H.B. electronics in  
>>> California.
>> They
>>> have them for about $75. I checked all 3 of the 120K ohm resisters  
>>> on the
>>> CRT modules, and they check OK. Do I need to replace them anyway,  
>>> and do
>> you
>>> think a new focus block will correct my problem, or am I over looking
>>> something ? I guess what I need, is a little insurance from the list,
>> before
>>> shoveling out that much $$$ for a part I might not need.
>>>
>>> Please advise,
>>> TIA,
>>> LLW
>>>
>>> LeRoy Westlund
>>> Westlund TV & Electronics
>>> 97 North Main                                "Where there's a  
>>> will,...
>>> Centerfield, UT 84622-0087           There's always a way."
>>> Ph./Fax  435-528-3822
>>> mailto:LLW@xxxxxxxxxx
>>>
>>>
>>>
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