[TechAssist] Re: Sony 35" TV KV-35XBR48 - Shutting Down For 6 Months...Now Dead
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 26 Nov 2004 15:11:32 -0500
Isolate the filament ! Easy fix
=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
=================================
----- Original Message -----
From: "David" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 26, 2004 11:01 AM
Subject: [TechAssist] Re: Sony 35" TV KV-35XBR48 - Shutting Down For 6
Months...Now Dead
> Al,
>
> Customer described a bright blue screen with retrace lines just before
> shut down, he would be watching the TV with a good picture then the
> problem would occur. This was going on for about six months. Now when
> the TV is turned on he immediately sees a bright blue screen with
> retrace lines and immediate shutdown occurs. From what I've read online,
> this is a HK short problem, I could be wrong as I have never seen the
> symptoms of a HK shorted CRT.
>
> What else could this symptom be Al? I could use any pointers on this
> before visiting the TV on the weekend. Thanks.
>
> David Lessard
> Alexandria Electronics
> mr_fixit@xxxxxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of al m
> Sent: Friday, November 26, 2004 9:22 AM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Sony 35" TV KV-35XBR48 - Shutting Down For 6
> Months...Now Dead
>
> Why do you think it's the CRT?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "David" <mr_fixit@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, October 25, 2004 8:49 PM
> Subject: [TechAssist] Re: Sony 35" TV KV-35XBR48 - Shutting Down For 6
> Months...Now Dead
>
>
>> I'm supposed to visit this XBR patient on the weekend. I don't own a
>> tube rejuvenator (I should invest in one soon) but I've read about a
> few
>> techniques I may try. I.e. placing tube face down and gently tapping
> the
>> neck or charging an electrolytic and "blasting" the short away. Has
>> anyone had any success with these techniques? If this problem proves
> to
>> be an unfixable HK short in the CRT how much would a replacement tube
>> cost? Does anyone know the Canadian cost? I imagine SONY is the only
>> source for this...right?? Is it possible for these CRT's to be
> rebuilt?
>> Sorry about the many questions, I'm trying to help out a new customer
>> who is quite frustrated about his 6 year old very expensive TV dying.
>>
>> Of course this may turn out to be some other problem. I won't know
> till
>> the weekend.
>>
>> David Lessard
>> Alexandria Electronics
>> mr_fixit@xxxxxxxxxxxx=20
>>
>> -----Original Message-----
>> From: techassist-bounce@xxxxxxxxxxxxx
>> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Peter oliver
>> Sent: Tuesday, November 23, 2004 9:33 AM
>> To: techassist@xxxxxxxxxxxxx
>> Subject: [TechAssist] Re: Sony 35" TV KV-35XBR48 - Shutting Down For 6
>> Months...Now Dead
>>
>> The description sounds a lot like a HK short in the CRT. Test the CRT
> if
>>
>> possible, check the drivers, drive signal from the jungle, try
>> isolating=20
>> the filliment.....
>>
>> Peter Oliver
>> Tucson Radio TV
>>
>> From: "David" <mr_fixit@xxxxxxxxxxxx>
>> Reply-To: techassist@xxxxxxxxxxxxx
>> To: <techassist@xxxxxxxxxxxxx>
>> Subject: [TechAssist] Sony 35" TV KV-35XBR48 - Shutting Down For 6=20
>> Months...Now Dead
>> Date: Mon, 22 Nov 2004 22:26:25 -0500
>>
>> Customer said TV was shutting down (for no apparent reason) over the
>> last 6 months. Last night=85bright blue screen before shut down. Now =
>> when
>> TV is turned on=85blue screen followed by immediate shut =
>> down=85sometimes no
>> blue screen and only clicking relay is heard. Could this be a
> defective
>> CRT? How can I confirm this? Check the CRT voltages and compare them
>> with and without the CRT board?
>>
>> Thanks in advance.
>>
>> David Lessard
>> Alexandria Electronics
>> mr_fixit@xxxxxxxxxxxx
>>
>>
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