[TechAssist] Re: Philips PTV630 HV transistor shorted
- From: "Jose Reyes" <jr@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 26 Sep 2002 16:02:45 -0400
Did you try?
http://www.picturetubes.net/
http://www.videodisplay.com/
http://www.thehinesgroup.com/patx/
Jose' Reyes
@ Kwik Fix TV
619 Pondella Rd.
N. Ft. Myers, Fl. 33903
E-Mail: jr@xxxxxxxxxxx
----- Original Message -----
From: "Jerry Hoeme" <jhoeme@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 26, 2002 3:26 PM
Subject: [TechAssist] Re: Philips PTV630 HV transistor shorted
>
> Al,
>
> I have a Magnavox model FP4610 (PTV 615) with same problem.
> The emitter resister is .33 ohm 1/2 watt (R934) located near edge of board
> on right hand side.
> I checked the blue CRT, I could see fluid inside the neck! Looked thru
the
> lens, could see crack on face of CRT!
> Does anyone know of a low-cost source for these tubes?
> Philips wants $426.29 plus shipping! That's outrageous!!
>
> Jerry Hoeme
> Jerry's TV Service
> 840 S. Kansas Ave
> Liberal, KS 67901
> 620-624-4302
> jhoeme@xxxxxxxx
>
> ----- Original Message -----
> From: "Neil Bowman" <tvdoctors@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 25, 2002 9:47 PM
> Subject: [TechAssist] Re: Philips PTV630 HV transistor shorted
>
>
>
> There is a remitter resistor between the base and collector. You will
> probably see that it's blackened on the side of it. Before replacing, look
> directly into the blue crt and you will probably see that it's cracked.
> Neil TV Doctors Monroe,Wa.
>
> -------Original Message-------
>
> From: techassist@xxxxxxxxxxxxx
> Date: Wednesday, September 25, 2002 07:26:42 PM
> To: tech assist
> Subject: [TechAssist] Philips PTV630 HV transistor shorted
>
> Could use a bit of info on this PTV630 philips. Don't see many because
> there isn't a philips dealer in this area.
>
> The high voltage O/P transistor is shorted. All power supply voltages
> appear normal, deflection aand audio is working.
>
> Question: there is 130V on the collector of the HV transistor 2DS1556
> which is shorted so there must be a fuse or fuse resistor somewhere in
> the emitter line, could someone tell me the location and value of the
> fusable.
> Found tips on ptv620 and a .0019uf cap was mentioned as possible cause
> and to check the blue crt, does this apply to the 630 as well?
>
> Any suggestions welcome, may save an extra trip as I have to work on
> this on site.
>
> Al G
> Al's TV-Electronics
> Pembroke Ont.
> Canada
> 613-732-3240
>
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