[TechAssist] Re: Mitsubishi CK3531R B+ to H.O.T. question.
- From: Edward Gaidies <teltek3@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 15 Aug 2004 15:33:32 -0400
LeRoy;
No....But if nothing else was shorted, change C916 in the Regulator
circuit. 10ufd/250V.
Good idea to ESR all the caps in Regulator circuit, as you know. But
C916 is the cap that shorts out the H/O as a rule.
As a rule..not cost effective to just pull the chassis, and hope for
the best.
-Ed-
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
On 15-Aug-04, at 3:00 PM, LeRoy Westlund wrote:
> I pulled this chassis to check a few things on the bench, cause it's
> such a
> monster of a set..
> I found the H.O.T. ( 2SD1879 ) shorted.
> Question is:
> Can I check the B+ to the H.O.T. on the bench, without hooking the
> chassis
> back up to the rest of the TV ?
> I didn't pull the control panel.
> Is the B+ supposed to be there as soon as the power cord is plugged
> in, or
> does the power relay need to be energized before B+ to the H.O.T. can
> be
> produced ?
> I am working without a schematic, and I need to know if there is a
> fuse, or
> a resisitor in line from the power supply B+, to the H.O.T.
> Trying to save an extra trip, in case I may have missed something.
>
> TIA,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main "Where there's a will,...
> Centerfield, UT 84622-0087 There's always a way."
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
>
>
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