[TechAssist] Re: Need P/S schematic for 1991 model,Electrohome or Mitsubishi 27" TV
- From: Andrew Rose <badandy2@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 15 Oct 2003 16:16:57 -0400
I will email you from my wife's computer my scanner stinks I will start in
10 min ok
Andrew rose
action TV
----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 15, 2003 3:15 PM
Subject: [TechAssist] Re: Need P/S schematic for 1991 model, Electrohome or
Mitsubishi 27" TV
> Hi Andrew,
>
> Can you email me a copy? Let me know before so I can shut down my email
> to get the larger attachments. I still cannot receive attachments over
> 1 MB, but I can get them off my ISP before they come to my computer.
> Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Rose
> Sent: Wednesday, October 15, 2003 9:24 AM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Need P/S schematic for 1991 model, Electrohome
> or Mitsubishi 27" TV
>
> I have schematic for cs2715 wm-a sams 3018 if you need it
> Andrew rose
> action TV
> ----- Original Message -----
> From: "Kevin" <kevintv@xxxxxxx>
> To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 15, 2003 1:40 AM
> Subject: [TechAssist] Need P/S schematic for 1991 model, Electrohome or
> Mitsubishi 27" TV
>
>
> > Electrohome 69CK02, Mitsubishi CS2915C, WM-A-C15R chassis
> >
> > No one seems to have this exact schematic, but I am pretty sure that
> the
> > P/S boards from that era (1990-1992) would be very similar or even
> > identical. This set has two boards side-by-side. IC 901 is an
> > STR-S5041 regulator. The symptoms are a buzzing noise from the
> speakers
> > and white horizontal lines in the picture. After about 10 minutes the
> > set starts to work perfectly. I scoped the 15 volt line and before
> the
> > set warms up there is a lot of garbage in the waveform, and after it
> > settles down the waveform is "clean". I traced the 15 volt line and
> > changed 3 caps and repaired many bad connections. No luck. I have
> gone
> > as far as I can go without the schematic. Thanks.
> >
> > Kevin Wilks
> > Kevin's TV & Video Repair
> > Penticton BC Canada
> > kevintv@xxxxxxx
> >
> >
> >
> >
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