[TechAssist] Re: Mitsubishi CS3520R : Scan Needed of SMPS
- From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 1 Aug 2003 10:25:27 -0500
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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