[TechAssist] Re: Sanyo Mod: DS-31820 Need Service Manual "FIXED"
- From: Ben Daniels <bens74820@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 1 Mar 2005 10:33:44 -0800 (PST)
Many Thanks: Checked everything out and the problem
New bad ic LA7847 from Tritronics the cheap ones. Ben
Ben's TV Repair
123 Arlington
Ada, Ok. 74820
--- John at Main TV <maintv2004@xxxxxxxxxxx> wrote:
> I don't have a PDF of that set but it is in Sams
> 4951. The vertical output
> should have these voltages;
> 1 ground
> 2 output 14.2v
> 3 pump-up 30.2v
> 4 +2.7v
> 5 Input 2.7v with 1.5 p/p waveform
> 6 Vcc +29.3v
> 7 +2.4v
> 8 +2.7v
> 9 +2.7v
> 10 +16.3v
> HTH, John.
> John Mielke
> Main TV
> Longmont,Co 80501
> 303 776 6955
> 303 776 0792 fax
> maintv2004@xxxxxxxxxxx
> www.longmontmaintv.com
>
> ----- Original Message -----
> From: "Ben Daniels" <bens74820@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, March 01, 2005 8:52 AM
> Subject: [TechAssist] Sanyo Mod: DS-31820 Need
> Service Manual
>
>
> > I need a manual on this unit if anyone has a copy.
> > Have a verticle problem vert. IC shorted (LA7847)
> and
> > B+ resistor open. Now I have 35v on 4 different
> legs
> > don't think this is right. Thanks Ben
> >
> > =====
> > Ben Daniels
> > Ben's TV Repair
> > 123 Arlington St.
> > Ada, Okla. 74820
> > bens74820@xxxxxxxxx
> >
> > __________________________________________________
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