[TechAssist] Re: Sanyo TV Model # DS25760 blowing HOTS
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 2 Dec 2004 08:35:08 -0600
Hi, Grady.
I don't have a print for that model, but have had many Sanyo sets where a
high ESR cap to the horizontal driver would cause early failure of the
HOT. Usually 4.7@160 or maybe as low as 1ufd. Several I have replaced
in various models have been C408, but that is just a starting point.
HTH,
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice), 850-932-0819 (fax)
On Thu, 2 Dec 2004 02:50:49 EST GOMDWIL@xxxxxxx writes:
> Sanyo TV Mod # DS25760
> Chassis # 25760-00
> Mfg. 10/97
> This set came in doa, hot shorted and ac fuse opened. I suspected
> the yoke
> but the yoke ranged good. I found two bad caps in the vert ckt, but
> no other
> problems. For test I replaced the HOT (D1879) with a NTE2331 and it
> fired up good
> for about 5 min. and overheated and shorted out which took out the
> ac fuse
> again. What am I missing? I have no print. Is there a way to check
> this set to
> keep from blowing parts? Any help will be appreciated' Thanks, Grady
>
> Wilson's TV Service
> Texarkana, Tx. 75501
> gomdwil@xxxxxxx
>
>
>
>
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