[TechAssist] Re: [ FIXED ] Sony KV36XBR400 Dead set ( 220 volts was applied )
- From: "Hoyt's TV" <hoytstv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 16 Sep 2004 09:22:27 -0400
It's like the reverse polarity protection diode used in some 12v DC radios,
only it's for AC.
It's supposed to blow the fuse if it's voltage rating is exceeded. It
usually blows itself up and takes the copper traces with it.
Russ Hoyt
Hoyt's TV
Exeter, NH
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 16, 2004 9:05 AM
Subject: [TechAssist] Re: [ FIXED ] Sony KV36XBR400 Dead set ( 220 volts was
applied )
> What's a MOV?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, September 16, 2004 1:06 AM
> Subject: [TechAssist] [ FIXED ] Sony KV36XBR400 Dead set ( 220 volts was
> applied )
>
>
> > This WAS a straight forward repair.
> > I pulled the "A" board to the shop, and replaced a blown MOV, and the
A/C
> > fuse.
> > I could see no further damage, so I took the board back, re-installed
> > it,.....and everything was back to normal. I must say that it was much
> > easier then I had thought it would be. (Just a little sweat, and cuss
> > words
> > were needed). I don't know the part number of the MOV, cause I just took
> > one
> > from a junked Sony chassis. I think the one that Radio Shack sales would
> > have even been good enough for a reliable repair.
> >
> > Thanks for your advice,
> > 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
> >
> > -----Original Message-----
> > From: Leonard Caillouet <lcaillo@xxxxxxxxxxxx>
> > To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> > Date: Thursday, September 02, 2004 8:04 PM
> > Subject: [TechAssist] Re: Sony KV36XBR400 Dead set ( 220 volts was
> > applied )
> >
> >
> >>We never replace board in Sony sets unless they are burned beyond
repair.
> >>This should be a pretty straightforward repair.
> >>
> >>Leonard Caillouet
> >>Electronics World
> >>1261 NW 76 Blvd
> >>Gainesville, FL 32606
> >>352-332-5608
> >>FAX 352-332-5668
> >>
> >>----- Original Message -----
> >>From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> >>To: "TechAssist" <techassist@xxxxxxxxxxxxx>
> >>Sent: Thursday, September 02, 2004 4:51 PM
> >>Subject: [TechAssist] Sony KV36XBR400 Dead set ( 220 volts was applied )
> >>
> >>
> >>> Hi members,
> >>> I have to make an out of area service call on this set later this
> > evening.
> >>> The set was damaged from a 220 volt source. They said smoke came from
> >>inside
> >>> unit.
> >>> I understand it is best to replace the "D" board (Power supply) part #
> >>> A-1346-948-P as a complete unit.
> >>> Has anybody had any luck just repairing the "D" board instead of just
> >>> replacing it ?
> >>> What parts should I take with me, just in case it is repairable in the
> >>home
> >>> ?
> >>> What size of AC fuse does it use ? I might just pull the "D" board to
> >>start
> >>> with.
> >>>
> >>> 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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