[TechAssist] Re: Symphonic SST4272 BAD CRT?????
- From: Edward Gaidies <teltek3@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 31 Oct 2004 19:20:00 -0500
Something weird there.
I would presume if it was CRT, lust pulling the kine board, should
prevent the overvoltage shutdown.
Let us know Jeff...maybe something new..
-Ed-
*****************************************************************
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx
On 31-Oct-04, at 5:39 PM, Intrepid Video Support wrote:
> [Placed my model number in subject]
>
> Actually,
> I think the set has a bonded yoke..so, perhaps this set has a bad yoke?
> But, then why would removing the CRT board allow the set to come on.
> If anyone has a better idea, I am all ears.
> This set will not turn on at reduced AC voltage.
> When I do turn it on, I hear a crackling sound, like HV arcing
> somewhere.
> Unfortunately, I have pressure in my ears causing the ear drum not to
> vibrate, so it's difficult to
> pinpoint where wounds are coming from. I replaced the FBT, hoping that
> was it.
> Only if I disconnect the yoke and CRT board, does the set comes on.
> Jeff
> --
> Intrepid Video TV/VCR Repair
> 263 S Front St, Steelton PA 17113
> 717-939-7708; (F) 717-564-4952
> www.intrepid-video.com www.tech-repair.net
> ----- Original Message -----
> From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, October 31, 2004 11:18 AM
> Subject: [TechAssist] Re: Symphonic shut down
>
>
> Why would removing the yoke disable the HV,removing it (yoke) changes
> the
> "tuning" of the overall circuit but will not kill the HV.
> The only exception is were there is a B+ jumper on the yoke plug.
> Country TV
> Ron Miller
> Inez, TX. 77968
>
> ----- Original Message -----
> From: "Tel-Tek" <teltek3@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, October 31, 2004 9:57 AM
> Subject: [TechAssist] Re: Symphonic shut down
>
>
>> Just can't figure out the Yoke part, since this
>> would also eliminate all of the Horizontal Output
>> section.
>> Would also disable your HV, if the yoke was unplugged.
>> New one on me.
>>
>> -Ed-
>> Ed Gaidies
>> Tel-Tek Electronics
>> Ontario-Canada
>>
>> teltek3@xxxxxxxxxxxx
>> teltek@xxxxxxxxx
>>
>> Intrepid Video Support wrote:
>>> Set I had wouldn't start unless the yoke and CRT board were removed.
>>> I called Funai, they suggested bad CRT.
>>> I already replaced the FLY on mine.
>>> Jeff
>>> --
>>> Intrepid Video TV/VCR Repair
>>> 263 S Front St, Steelton PA 17113
>>> 717-939-7708; (F) 717-564-4952
>>> www.intrepid-video.com www.tech-repair.net
>>> ----- Original Message -----
>>> From: "Tel-Tek" <teltek3@xxxxxxxxxxxx>
>>> To: <techassist@xxxxxxxxxxxxx>
>>> Sent: Sunday, October 31, 2004 10:37 AM
>>> Subject: [TechAssist] Re: Symphonic shut down
>>>
>>>
>>> Jeff;
>>> Why remove yoke?
>>>
>>> -Ed-
>>> Ed Gaidies
>>> Tel-Tek Electronics
>>> Ontario-Canada
>>>
>>> teltek3@xxxxxxxxxxxx
>>> teltek@xxxxxxxxx
>>>
>>> Intrepid Video Support wrote:
>>>
>>>> Perry,
>>>> If this is a 2002 set, suspect bad CRT.
>>>> Remove yoke and CRT pcb, if set fires up, bad CRT.
>>>> Jeff
>>>> --
>>>> Intrepid Video TV/VCR Repair
>>>> 263 S Front St, Steelton PA 17113
>>>> 717-939-7708; (F) 717-564-4952
>>>> www.intrepid-video.com www.tech-repair.net
>>>> ----- Original Message -----
>>>> From: "Perry Thorpe" <pkthorpe@xxxxxxxxx>
>>>> To: "techassist" <techassist@xxxxxxxxxxxxx>
>>>> Sent: Saturday, October 30, 2004 11:34 AM
>>>> Subject: [TechAssist] Symphonic shut down
>>>>
>>>>
>>>> I have a Symphonic Model# WF-13,IT goes in to shut down so fast I
>>>> can't
> check it. I think it may voltage
>>>> Reg. problem the short time it is on I get about 114vdc reg
> voltage,Horiz. output wave form looks
>>>
>>> good,reg
>>>
>>>> input ckt voltage is 157vdc the goes to low 150's to high 140's vdc
>>>> at
> power up ,I don't have a manual
>>>> hate to order one its just a 19" that belonges to a friend. H.O. is
>>>> a
> D2627 reg. is a K2662. If that
>>>> helps.
>>>> Any and all help on this one I would be greatly thankful.
>>>>
>>>> Perry
>>>> Thorpe's Electronics
>>>> Beattyville,KY 41311
>>>> pkthorpe@xxxxxxxxx
>>>>
>
>
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