[TechAssist] Re: Need P/S schematic for 1991 model,Electrohome or Mitsubishi 27" TV
- From: Kevin <kevintv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 15 Oct 2003 12:15:43 -0700
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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