[TechAssist] Re: Philips Projo Model 9P5544\chasis PTV840

  • From: armando guerra <birdie@xxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Thu, 16 Oct 2003 07:56:08 -0700

Thanks Bob for the info.As I mentioned on my previous post,All the fuses are ok
and I am getting the +32 and -32V coming into the convergence bd.Since I have
already replaced the 2 stk's,the only other thing would probably be a bad or
corrupted eeprom which I am going to order and try.
Mando
Birdie's TV & Electronics
Casa  Grande, AZ

Gemini Computer & TV wrote:

> See if this might be it:
> CHASSIS: PTV 830-865
>
> SYMPTOM: Loss of Convergence
>
> CAUSE: Open fuses on the 32 volt line of the Large Signal or Convergence
> Module.
>
> SOLUTION: Replace the following fuses using the following part numbers:
>
> LARGE SIGNAL MODULE
>
> Fuse 1405 and 1407 use Part Number 2422 086 10965 5 amp 125 volt.
>
> NOTE: The CORRECT Fuse may be identified by the marking of 5 Amp 125V with a
> "MS" on the body of the fuse. The INCORRECT fuse has the marking 5 Amp 125V
> with a "MQ" on the body of the fuse.
>
> CONVERGENCE MODULE
>
> Fuse 1007 and 1008 use Part Number 2422 086 10783 2 Amp.
>
> NOTE: The 2 Amp fuse replaces a 1 Amp fuse originally called out for 1007
> and 1008.
>
> PLEASE INSPECT ALL PTV 830-865 CHASSIS FOR THE PRESENCE OF THE CORRECT FUSES
> SPECIFIED ABOVE. INSPECT ALL LARGE SIGNAL AND CONVERGENCE MODULES FOR THE
> PRESENCE OF THE CORRECT FUSES.
>
> INSPECT ALL CURRENT STOCK OF PART NUMBER 2422 086 10965 FOR THE "MS"
> VERSION. IF A "MQ" VERSION IS DISCOVERED PLEASE DISPOSE OF THE FUSE AND
> REORDER PART NUMBER 2422 086 10965 FOR THE "MS" VERSION. USE ONLY PART
> NUMBER 2422 086 10783 5 AMP 125 V WITH THE "MS" MARKING ON THE BODY OF THE
> DEVICE FOR REPLACEMENT OF 1405 AND 1407 ON THE LARGE SIGNAL MODULE!!!!
>
> 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: "armando guerra" <birdie@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, October 15, 2003 11:59 AM
> Subject: [TechAssist] Philips Projo Model 9P5544\chasis PTV840
>
> > Is anyone here familiar with this set as far as convergence goes?The
> > problem is that at the top 10in of the pix is very far out,especially
> > the red.I replaced the 2 STK-392-110 and checked all low ohm resistors
> > and caps in that ckt but all check ok.
> > I can bring up the convergence menu,do the middle and then it changes to
> > an overall screen test patterns to adjust the corners,top,and bottom.I
> > can pretty much align all except the very top 10inches.Red is far
> > out.Looks like pin problem where the lines are not equal .The red is
> > bowed to the right but that could be because I can't bring it back in.
> > If someone here is familiar with this problem on this philips,I would
> > apreciate any and all the help that I can get. Thanks
> > Mando
> > Birdie's TV & Electronics
> > Casa  Grande, AZ
> >
> >
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