[TechAssist] Re: Mits.cs2015R good pix,intermit. audio hi pitch squeel
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 06 Jun 2003 16:23:48 -0400
I indeed found bad 'lytics:
C3C0 4.7/50V
C3C2 100/10V
C3C4 100/25V
C3C7,C3C8 both 470/35V
C3C1 4.7/50V
Most all these electrolytics were leaking fluid.Some stain underneath
seen after cleaning board.
Many thanks,
Phil Bader
Gemini Computer & TV wrote:
>
> ---------------------------------------------------------------
> Text pasted from WinSTIPS 2.0
> http://www.ServiceSoftware.com
> ---------------------------------------------------------------
>
> MITSUBISHI CS2015R
>
> Loud Squeal From Spkr
>
> Sams 2743
>
> C3c1 4.7/50vdc Also Check C3c8 470/35 For Leakage
>
> ---------------------------------------------------------------
>
> MITSUBISHI CS2015R
>
> Audio Hum In Audio
>
> Feys Electronics
>
> Loud Buzz In Right Audio...C3c1 4.7uf Cap Check C3c2 And C3c3 Also 100uf 10v
> Caps...
>
> ---------------------------------------------------------------
>
> MITSUBISHI CS2015R
>
> Audio Hum In Audio
>
> >From Mitsubishi Sams:------------
>
> Check Components Off Pin #3 Of Flyback Transformer For Open. R558, D553,
> L502, R521. Pcb-Main Part Numbers: R558 - 103p338010
>
> ---------------------------------------------------------------
>
> Bob Waterman, CET® #RI-28
> Master Technician License #9109
> Service Manager / Parts Manager
> Gemini Computer, TV, & Security Alarms
> (508)695-7302
> (508)695-7769 FAX
> geminitv@xxxxxxxxxxxxxxxx
> geminitv@xxxxxxx
> www.geminicomputertvsecurityalarms.com
>
> ----- Original Message -----
> From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, June 06, 2003 3:26 PM
> Subject: [TechAssist] Mits.cs2015R good pix,intermit. audio hi pitch squeel
>
> > Customer says sometimes when turned on he gets a hi pitched squeel thru
> > the speaker.It's not doing it here,of course. I assume it's a kind of
> > oscillation,feedback,etc.
> > Any history on this for the CS2015R?
> > Phil Bader
> > --
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
> > Fax (863) 299-8821
> > email: tjanphyl@xxxxxxxxxxxxxxx
> >
> >
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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