[TechAssist] Re: Emerson Combo EWC1901
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Wed, 02 Jul 2003 13:33:14 -0700
Robert,
where'd you get the part# ???
If you have a manual, I need the pinout of the Motor Drive IC
BD6655fp.
as I said I've cleaned the Mode Switch twice,and the symptom never wavers
at all.I would think there would be SOME intermittance,if this Mode Switch
was the problem.
This thing tries to Load a Cassette(without one in the Housing) twice.
By that I mean the Voltage comes up,goes to zero,back up and Kills Power.
This voltage is always in the 'load' polarity.
Now if I put a tape slighty in the housing,when I plug it in,the Motor
Loads it all the way,and I mean all the way,as far as the Load direction
can go.
Voltage drops to zero,comes back up,and Kills power.
I know this sounds like the Start sensor could be bad(BTW I swapped positions
with the Start and End sensors yesterday,no help), but anytime I've seen
a start sensor bad,or ANY sensor for that matter,you would at least get an
'unload' TRY out of the Loading Motor.This Voltage Polarity never changes.
Even if the mechanics were in a bind,which they are not(I can load/unload
by hand
or 9v battery), you would at least get a TRY for 'unload' out of the
Loading Motor.
I'm going to try another LED today
Peggs
At 11:25 AM 7/1/03, tvservice@xxxxxxxxxxxxx wrote:
>Replace the mode switch #SSR0106KB001
>Robert
>tvservice@xxxxxxxxxxxxx
>H & H Electronics Inc
>Dallas, TX
>----- Original Message -----
>From: "peggs" <peggs@xxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, July 01, 2003 12:57 PM
>Subject: [TechAssist] Emerson Combo EWC1901
>
>
> > This thing is made by Funai,and it looks like I must get parts
> > from them as well.
> > Powers Up, then Kills Power a few seconds later.
> > The Loading Motor runs in one Direction(Load) only.
> > The voltage on the Motor never changes Polarity(Unload).
> > I cleaned the Mode switch.................... 2 times.
> > I can travel the Mechanics in and out by hand just fine,so
> > nothing is in a bind.
> >
> > My Second thought was,LED/Prism/Sensors, but if they were
> > bad I could at least get it to Eject.The Motor Polarity never changes
> > to the Unload/Eject Polarity.
> > Plus the Motor never stops being 'driven',it loads all the way,Voltage
> > Drops to 0v,then tries to drive in the same direction again(Load),then
> > Kills Power.
> >
> > This Motor is Driven by a SM IC, BD6655FP.
> > Can't find a Pin-out,so I don't know which Pins are Input(drive) from
> > Micro.
> >
> > Anyone have a Service Manual on this Emerson ???
> > WinStips says it's similar to a CCB194(Philips/Mag)
> >
> > Peggs
> > Peggs' Electronics
> > 1519 West 2nd Street
> > Owensboro,KY 42301
> > 270-926-4968
> > fax 270-686-7399
> > peggs@xxxxxxxxxxxxx
> >
> >
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