[TechAssist] Re: Panasonic TH-42PHD5 plasma, comes on for 5 seconds, turns off, UPDATE.

  • From: Kevin <kevintv@xxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Mon, 28 Feb 2005 17:34:02 -0800

I just got back from the service call on this plasma set.  After placing
the unit face down on a beach towel, I removed the back and found one
fan that did not spin when the power was turned on.  I measured the
voltage going to the fans and it dropped from 13 volts to 7.7 volts
after about 2 seconds and then the set shuts down after about 5 more
seconds.  I tried disconnecting the one bad fan, but the set did the
same thing.  I'm guessing with the fan disconnected the shut down
circuit thinks there is now an open fan and still goes into shutdown.  I
am going to replace all 4 fans because a second fan does not spin
freely, and if 2 are failing the other 2 are probably not far behind.
The only problem is the fans are $70 each Canadian.  The customer spent
$5500 for it used 8 months ago, so I don't think he will mind the cost,
it=92s a plasma afterall!

I think these plasmas are more durable than I was led to believe.  This
plasma has a dent in the back metal cover--it has already been through a
pretty good trauma, and survived.  Plus the customer transported it on
its back in his Suburban when he bought it used.  I am still glad to
work on it in his home and not my shop.  =20

Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx=20
=20

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Shoreline
Electronics
Sent: Saturday, February 26, 2005 6:49 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Panasonic TH-42PHD5 plasma, comes on for 5
seconds, turns off, UPDATE.

I suppose moving parts have to fail at sometime!

As far as the laying face down issue ......no one else seems to have any

input on this & I , for on am no expert on these new sets ...yet  ;-)=20
BUT......transporting is definitely a NO NO!!!   Servicing I face down=20
should NOT be a problem.   Carefully lay it down on a soft CLEAN cloth.=20
NEVER apply excessive force in a way that would flex the panel.

Should be fine following this method.

Any comments from the warranty centers that might do these every day?


Any how.......keep us posted to the outcome of this saga.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

----- Original Message -----=20
From: "Kevin" <kevintv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, February 26, 2005 6:31 PM
Subject: [TechAssist] Re: Panasonic TH-42PHD5 plasma, comes on for 5=20
seconds, turns off, UPDATE.


>I found the service manual at:
>
> http:/www.wimtv.be/techniforum/files/gphd5_techguide.pdf
>
> From it I learned that the red light blinking six times means that one
> of the 4 fans is open or has increased its resistance.  Is that common
> for a set that is just over 2 years old?  Thanks.
>
>
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin
> Sent: Saturday, February 26, 2005 12:40 PM
> To: TECH-ASSIST
> Subject: [TechAssist] Panasonic TH-42PHD5 plasma, comes on for 5
> seconds, turns off.
>
> This is my first plasma TV repair.  Customer just called with symptoms
> of coming on for 5 seconds with video, then shutting off and the red
> power light blinks 6 times and repeats.  Does anyone have the service
> manual or any suggestions?  The first think I know is they shouldn't
be
> transported facedown, but they can be worked on facedown.  Thanks.
>
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
>
>
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>=20


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