[TechAssist] Re: Samsung,TV,mod#TXE2545,chass#KCT52A,No vert FIX,Now no sound or Pix

  • From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 10 Mar 2004 14:57:56 -0330

Hi Don any eeprom will work in that Samaung .try one from an RCa chassis
                    Eric
Eric Manuel
Deer Lake Nfld
Canada

Don Hartigan wrote:
> 
> Tks for your reply Bob,however when I scope pin 5 of IC701=AV switching IC
> there is good video.This is the TV i/p pin.On pin 14,the o/p I have no
> signal.If I lift pin 14 & jumper my i/p to the trace where I lifted pin 14
> my video appears on the tv.That's why I'm assuming this IC is bad or does
> the EEPROM enable this IC to allow the video signal to pass through?
> Don of HARTS-TVCR''ASC''
> 9 Robert St,Oromocto,NB,Can,E2V3N2
> hartstv@xxxxxxxxxxx
> Tel-5063579785,fax-3576010
> cel-4701719
> ----- Original Message -----
> From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, March 10, 2004 10:18 AM
> Subject: [TechAssist] Re: Samsung,TV,mod#TXE2545,chass#KCT52A,No vert
> FIX,Now no sound or Pix
> 
> > That sounds like you may very well have a bad EEPROM which is a very
> common
> > failure on these. I suggest you order and try one.
> >
> > 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: "Don Hartigan" <hartstv@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, March 09, 2004 6:26 PM
> > Subject: [TechAssist] Samsung,TV,mod#TXE2545,chass#KCT52A,No vert FIX,Now
> no
> > sound or Pix
> >
> >
> > > Unit had no vert. sweep;Replaced TDA8350=IC301.Now have no sound or
> > pix.A/V
> > > i/p's are good.All volts to tuner are good,ie 5,12 & 30 vdc.Replaced
> > > tuner,no help.Think it may be the A/V switching IC701=M51321,not
> switching
> > > into the tuner mode.Have searched all my sources for a data sheet so I
> can
> > > scope this IC & had no luck.Can someone send me a pdf or pin out for
> this
> > > IC.Has anyone got any other ideas for this problem.The reason I think
> the
> > > switching IC 701 is latched up is when I select tuner & i/p video on the
> > > video i/p jack I get my pix,but of course it shows the video I have
> > > inputted.........TIA...........
> > > Don of HARTS-TVCR''ASC''
> > > 9 Robert St,Oromocto,NB,Can,E2V3N2
> > > hartstv@xxxxxxxxxxx
> > > Tel-5063579785,fax-3576010
> > > cel-4701719
> > >
> > >
> > >
> >
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