[TechAssist] Re: Mitsubishi-VCR mod#HS-U51C,no drum rotation
- From: "Tel-Tek Electronics" <teltek2@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 7 May 2002 13:27:28 -0400
I usually sub the power supplies, if it looks like the micro....time to
retire it. In Canada..anyway.
-Ed-
Tel-Tek Electronics
Midland, Ont. Canada.
teltek2@xxxxxxxxxxxx
"Quality will be remembered, long after Price is forgotten"
----- Original Message -----
From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 07, 2002 12:13 PM
Subject: [TechAssist] Re: Mitsubishi-VCR mod#HS-U51C,no drum rotation
>
> Hi Ed,know the trans your referring to,it's a D2012,tryed that but no
go.I'm
> wondering if maybe I have a micro problem??tks for reply...Don.......
> HARTS-TVCR''ASC''
> 9-Robert St.,Oromocto,NewBrunswick,CAN
> Tel#506-357-9785Fax#506-357-6010
> ----- Original Message -----
> From: "Ed Gaidies" <teltek2@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, May 07, 2002 8:08 AM
> Subject: [TechAssist] Re: Mitsubishi-VCR mod#HS-U51C,no drum rotation
>
>
> >
> > Don;
> > I'm not in the shop right now but that problem sounds familiar.
> > Check the transistor mounted on the bottom of the deck, screwed onto the
> > metal track of the supply guide.
> >
> > -Ed-
> > On Monday, May 6, 2002, at 11:56 PM, Don Hartigan wrote:
> >
> > > Not sure if I have 2 faults on this unit or the absence of one causes
> > > the other.Unit will load the ''cassette'' &emmediately unloads it; the
> > > upper drum does not rotate as with most vcr's upon cassette load the
> > > upper drum starts it's rotation before ''tape load'' starts to
> > > thread.Replaced mode switch,drum motor,load cage,power supply from
> > > another serviceable unit.Also replaced IC502 &IC4A0.There is B+ to the
> > > drum IC,M51721.Have no print for this guy so anyone have a tip as to
> > > what I'm missing.Which IC provides drive for the drum ic.I know these
> > > units are famous for hardened black grease on the main gear mech,which
> > > I cleaned & all plastic worms & cam gears look good.Customer ok'ed a
hi
> > > estimate on this 4 head hi-fi unit so would like to get a
> > > fix....TIA....Don.......
> > >
> > > HARTS-TVCR''ASC''
> > > 9-Robert St.,Oromocto,NewBrunswick,CAN
> > > Tel#506-357-9785Fax#506-357-6010
> > >
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> > Regards;
> > -Ed-
> >
> > Tel-Tek Electronics
> > Midland, Ontario, Canada.
> >
> > teltek2@xxxxxxxxxxxx
> > teltek@xxxxxxx
> > "Quality will be remembered...long after Price is forgotten"
> >
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