[TechAssist] Re: Toshiba CF27H50
- From: Ed Gaidies <teltek2@xxxxxxxxxxxx>
- To: TechAssist <techassist@xxxxxxxxxxxxx>
- Date: Sun, 01 Sep 2002 16:00:16 -0400
Not in my tips....although it is now. But I haven't got the latest updates
for Winstips.
-Ed-
Shoreline Electronics The above is the reply to your message dated
9/1/02 3:28 PM
>
> Hmm...I'm surprised no one gave you this tip from Winstips.......would have
> saved you a bit of time.
>
> ---------------------------------------------------------------
> Text pasted from WinSTIPS 2.0
> http://www.ServiceSoftware.com
> ---------------------------------------------------------------
>
> TOSHIBA CF27H50
>
> No Audio, Vertical Problem, Picture Dark, Color Tears
>
> Joe Searles Tv Repair, Virginia Beach, Va.
>
> Also Power Led Blinks On And Off. C449 Open In 12.5v Power Supply Off Pin 7
> Of Ihvt.
>
> ---------------------------------------------------------------
>
>
> Jeff Stielau
> Shoreline Electronics Repair
> 125 Beech Tree Lane
> Westbrook, CT 06498
> 860-399-1861
> 860-664-3535 (fax)
> jstielau@xxxxxxxx
> ----- Original Message -----
> From: "Edward Gaidies" <teltek2@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, August 29, 2002 1:25 PM
> Subject: [TechAssist] Re: Toshiba CF27H50
>
>
>>
>> Walter and All;
>> Talked to Toshiba this morning...the symptoms were, washed out
> picture,
>> picture would shrink to half screen...Power light blinking about once per
>> second, and the clincher...No Sound.
>> Toshiba said to check the 9 volt line...which actually comes from the
> 12
>> volt line, pin 7 of flyback, instead of having 12 volts I had 10.9 volts.
> To
>> make a long story short...turned out to be C449 ..1000ufd/25volts.
>> Problem solved...Power light flashing...threw me since I automatically
>> thought it was going into shut-down mode.
>>
>> -Ed-
>> ----- Original Message -----
>> From: "walter wood" <wwood_38478@xxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Wednesday, August 28, 2002 3:34 PM
>> Subject: [TechAssist] Re: Toshiba CF27H50
>>
>>
>>>
>>> ED, have a look at the X-Ray transistors.
>>> These are Q471 and Q472.
>>> Possible D472,D473 and/or D480
>>> Sorry, this is all I could get out of Toshiba.
>>> As the power led is blinking, we do believe it is a
>>> shutdown situation.
>>> HTH
>>> Walter
>>> --- Edward Gaidies <teltek2@xxxxxxxxxxxx> wrote:
>>>>
>>>> Set shuts down just as the HV starts to come on.
>>>> Set shuts down and power
>>>> light flashes once per second. Have changed
>>>> regulator, Horizontal O/P..Q672,
>>>> No go.
>>>> Does anyone have anything else. Have tried
>>>> removing Vert O/P and Audio
>>>> O/P in case they where dragging down the voltage.
>>>> Did not help.
>>>>
>>>> TIA.
>>>>
>>>> -Ed-
>>>> Tel-Tek Electronics
>>>> Midland, Ontario
>>>> Canada.
>>>> teltek2@xxxxxxxxxxxx
>>>>
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>>>
>>> =====
>>> Walter Wood
>>> Future Tech Home Center
>>> 2786 Hwy. 43 N.
>>> Lawrenceburg Tn. 38464
>>> 931-829-3337
>>> Fax 931-829-4044
>>> mailto:wwood_38478@xxxxxxxxx
>>>
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