[TechAssist] Re: Philips 20PS47S301 (no chassis) flashes red,green, blue, dark,shuts off

  • From: "al m" <ampm@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 23 Jul 2004 22:33:21 -0400

I imagine both would work.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message ----- 
From: "Damon" <damon101@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, July 23, 2004 9:10 PM
Subject: [TechAssist] Re: Philips 20PS47S301 (no chassis) flashes red,green,
blue, dark,shuts off


> Flourescent right?? Not incadescent bulb type I assume......now who was
that
> guy who suggested lighter fluid for cracks....he never did answer whether
or
> not to apply power afterwards.
>
> Damon Brunger
> Telrad Electronic Services
> Ft Wayne, IN 46815
> ----- Original Message -----
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, July 23, 2004 8:01 AM
> Subject: [TechAssist] Re: Philips 20PS47S301 (no chassis) flashes
red,green,
> blue, dark,shuts off
>
>
> | Try a black light to find the cracks. The cracks light right up and the
> bad
> | solder joints shine too.
> | Al Marquardt
> | ampm@xxxxxxx
> | Al Marquardt Electronic Repair
> | 206 W Main
> | Girardville Pa. 17935
> | ----- Original Message -----
> | From: "Christopher Barnak" <cbarnak@xxxxxxxxxxxxx>
> | To: <techassist@xxxxxxxxxxxxx>
> | Sent: Friday, July 23, 2004 7:28 AM
> | Subject: [TechAssist] Re: Philips 20PS47S301 (no chassis) flashes
> red,green,
> | blue, dark,shuts off
> |
> |
> | > Phil,
> | >
> | > What caused the crack ?  Dropped ?  Working for the school system, I
> | > see
> | > many items with cracked circuit boards. I bet you still have an open
> | > trace.
> | > And it's probably located at a heavy componet mounting point. You
might
> | >
> | > try point to point continuity tracing. You'll never see some breaks in
> | > the
> | > copper mount pads by eye.
> | >
> | >
> | >
> | > Christopher Barnak, CET
> | > Norfolk Public Schools
> | > School Plant Facilities
> | > 966 Bellmore Ave.
> | > Norfolk, Va. 23504
> | >
> | > Phone 757 628 3385
> | > Fax      757 628 3392
> | > cbarnak@xxxxxxxxxxxxx
> | >
> | >
> | > >>> tjanphyl@xxxxxxxxxxxxxxx 7/22/2004 6:01:56 PM >>>
> | > Originally I located a crack across the  flyback and jumpered it. No
> | > others seen, and I was thorough.
> | > The unit powers up, the picture flashes on, flashes red, green, or
> | > blue,
> | > may be greyscaled OK but dark, then the set shuts oss. All within say
> | > 30
> | > seconds. Without unplugging, just push power again, the whole senereo
> | > over. There is a 80 pin SMD IC location #7200 I resoldered to no
avail.
> | >
> | > I resoldered the ribbon cables to CRT board. i even removed it and the
> | >
> | > CRT board to see if it still shut off and it does.
> | > Any input here on this???
> | > Unknown chassis to me, tho it does have a Philips CRT and Philips is
> | > printed on the chassis.
> | > Tuner has an "ENVxxx" number.
> | > 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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