[TechAssist] Re: Mitsubishi CS3520R : Scan Needed of SMPS
- From: Andrew Rose <badandy2@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 31 Jul 2003 23:34:04 -0700
the print shows 220k
Andrew Action TV
----- Original Message -----
From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, August 01, 2003 8:25 AM
Subject: [TechAssist] Re: Mitsubishi CS3520R : Scan Needed of SMPS
> Are you sure R903 is 220k I thought it was 270k
>
> Tony Saracco
> TCS ELECTRONICS
> Elgin , IL 60120
> 847-695-1928
> tcselectronics@xxxxxxxxxxxxxxxx
> ----- Original Message -----
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx>
> Sent: Friday, August 01, 2003 9:03 AM
> Subject: [TechAssist] Mitsubishi CS3520R : Scan Needed of SMPS
>
>
> >
> > Make : Mitsubishi
> > Model : CS3520R
> > Problem : SMPS not oscillating
> >
> > Replaced the 470/50V cap(C914) and the 10/100V cap ( Usually culprits)
> > Replaced R903(220K) for good measure. Replaced the STRS5141G ( Twice!)
> >
> > Still no oscillation! No shorted diodes! All traces in tact!
> >
> > Anyone have a scan of this simple circuit that is eluding me!
> >
> > ==========================
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 344 East Main Street
> > Clinton,CT 06413
> > 860-399-1861
> > 860-664-3535 (fax)
> > jstielau@xxxxxxxx
> > ==========================
> > "If you push something hard enough it will fall over."
> > Fudd's First Law of Opposition - Sir Sidney Fudd
> >
> >
> >
> >
> >
>
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