[TechAssist] Re: Toshiba 57HDX82 - No picture (Repeat failure)
- From: Edward Gaidies <teltek3@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 7 Dec 2004 17:06:09 -0500
That's correct. Nothing special. A/C Bridge 60 cycle...meet or exceed
current requirement..should be good to go,
-Ed-
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
teltek@xxxxxxxxx
On 7-Dec-04, at 4:21 PM, Gary McCartney wrote:
> Just curious, what is there to a bridge rectifier that it needs to be
> replaced with an exact part? Is it in a high frequency circuit?
>
> I've always found that as long as the source is 60 cycles and a bridge
> is replaced with one of same or higher current and voltage ratings,
> that
> there is no problem.
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
>
> tvservice wrote:
>> Also check D851 bridge rectifier for possible leakage or short.
>> if shorted/leaky will also blow these fuses within several minutes of
>> on
>> time.
>> Replace bridge only with exact Toshiba number
>> Robert
>> tvservice@xxxxxxxxxxxxx
>> H & H Electronics Inc
>>
>>
>> ----- Original Message -----
>> From: "Dan Garris" <dgarris@xxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Monday, December 06, 2004 4:40 PM
>> Subject: [TechAssist] Re: Toshiba 57HDX82 - No picture (Repeat
>> failure)
>>
>>
>>
>>> Just wanted to be sure I resolder the correct areas to prevent
>>> another
>>> repeat failure.
>>> This is what I have replied back to me from Dave Van Santen @ Dukes
>>> Electronics
>>> 250 Edgewood Drive Woodstock, Ont........
>>>
>>> ....."The set has several pico fuses at the power supply. You likely
>>> have
>>
>> a
>>
>>> 5A
>>> and a 2A open. Resolder the poor jumper connections along the side of
>>> the convergence board where the wire plug/connectors are....."
>>>
>>> Thanks, I'll look in that area and resolder all of them!
>>>
>>> Dan Garris
>>> Garris TV
>>> New Bern, NC
>>> dgarris@xxxxxxxxxxx
>>>
>>>
>>>> From: "Dan Garris" <dgarris@xxxxxxxxxxx>
>>>> Reply-To: techassist@xxxxxxxxxxxxx
>>>> To: techassist@xxxxxxxxxxxxx
>>>> Subject: [TechAssist] Toshiba 57HDX82 - No picture (Repeat failure)
>>>> Date: Mon, 06 Dec 2004 17:29:02 -0500
>>>>
>>>> Below set came back in next day with same problem....F851 5A open
>>>> and
>>
>> F853
>>
>>>> 1.25A
>>>> open again,...
>>>>
>>>> ....One of the Techs on the three different groups I posted to,
>>>> replied
>>>> back
>>>> to my post over the weekend about resoldering the board or the set
>>>> would
>>>> come back with the same blown fuses, well it did come back in. I am
>>
>> posting
>>
>>>> to ask, where to check to resolder on the board?
>>>>
>>>> Garris Radio & TV
>>>> New Bern, NC
>>>> Dan Garris
>>>> dgarris@xxxxxxxxxxx
>>>>
>>>>
>>>> Replaced open Pico fuses on Power Supply board, F851 5A open and
>>>> F853
>>
>> 1.25A
>>
>>>> open. All now ok! Picture is restored. This happened after a power
>>>> surge
>>>> according to customer.
>>>>
>>>> Garris Radio & TV
>>>> New Bern, NC
>>>> Dan Garris
>>>> dgarris@xxxxxxxxxxx
>>>>
>>>>
>>>>
>>>>
>>>>> From: "Dan Garris" <dgarris@xxxxxxxxxxx>
>>>>> Reply-To: techassist@xxxxxxxxxxxxx
>>>>> To: techassist@xxxxxxxxxxxxx
>>>>> Subject: [TechAssist] Toshiba 57HDX82 - No picture, has Audio??
>>>>> Date: Sat, 04 Dec 2004 12:17:53 -0500
>>>>>
>>>>> What: 57" Big Screen TV
>>>>> Make: Toshiba
>>>>> Model: 57HDX82
>>>>> Chassis: TAC0274
>>>>> Made: Jan 2003
>>>>>
>>>>> Problem: Has good Audio, but NO PICTURE or OSD, Tube filaments are
>>>>> lighting
>>>>> up.
>>>>>
>>>>> I did a google search appears several people have had this problem
>>>>> but
>>
>> I
>>
>>>>> see
>>>>> no tips on any of my databases. Any Help??
>>>>>
>>>>> Garris Radio & TV
>>>>> New Bern, NC
>>>>> Dan Garris
>>>>> dgarris@xxxxxxxxxxx
>>>>
>>>>
>>>>
>>> ---------------------------------------------------------------------
>>> ------
>>
>> --
>>
>>>> Lost Password:
>>>> http://www.tech-assist.org and select "Login Problems?".
>>>> Email Archives:
>>>> //www.freelists.org/archives/techassist/
>>>
>>>
>>>
>>> ---------------------------------------------------------------------
>>> -----
>>
>> ---
>>
>>> Lost Password:
>>> http://www.tech-assist.org and select "Login Problems?".
>>> Email Archives:
>>> //www.freelists.org/archives/techassist/
>>>
>>
>>
>>
>>
>> ----------------------------------------------------------------------
>> -------
>> Lost Password:
>> http://www.tech-assist.org and select "Login Problems?".
>> Email Archives:
>> //www.freelists.org/archives/techassist/
>>
>
>
> -----------------------------------------------------------------------
> ------
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
