[TechAssist] Re: Tech Line RCA help. P46770CK PTV169: Bad FBT
- From: "Jeff Dougherty" <support@xxxxxxxxxxxxxxxxxx>
- To: "Techsonline" <techassist@xxxxxxxxxxxxx>
- Date: Thu, 14 Nov 2002 18:53:01 -0500
Robert,
Thanks for the reply.
I saw no designation on this board, but it may be R8762U.
I didn't pull this board as it is difficult to remove, so I don't want to pull
it,
unless I have to replace something.
I know about the two part numbers, but 200450 is NLA and 232191 is to be the
sub.
The one I received hooked up just fine.
Jeff
FAX 717-564-4952
Jeff Dougherty
Intrepid Video & Electronics Be careful of your thoughts.
501 Luther Rd They may become your words
Harrisburg, PA 17111 any moment.
717-909-8844
VCR tips, electronics info & general interest.
www.intrepid-video.com www.tech-repair.net
www.thetoolcaddy.com www.9-11-2001tragedy.com
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----- Original Message -----
From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 14, 2002 5:23 PM
Subject: [TechAssist] Re: Tech Line RCA help. P46770CK PTV169: Bad FBT
PartfinderII shows 2 flybacks
T4401 232191 2G25018-A3A TRANSFORMER IHVT (FOR CHASSIS W/NO SLOT UNDER MTG
AREA)
T4401 200450 2G25018-502 subs to 232191 TRANSFORMER IHVT W/ SHRINK TUBING
(FOR CHASSIS W/SLOT UNDER MTG AREA)
What is the prefix or complete location number for resistor R762 (example
R1762, R2762)
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Jeff Dougherty" <support@xxxxxxxxxxxxxxxxxx>
To: "Techsonline" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 14, 2002 3:48 PM
Subject: [TechAssist] Tech Line RCA help. P46770CK PTV169: Bad FBT
>
> Unit came in with HOT shorted, found IHVT with a pin hole in it arcing to
the
> metal shield for the AC plug.
> I repaired the hole to verify nothing else was wrong with the unit before
ordering
> a flyback. Unit ran for a few minutes.
> Order FBT from Tritronics #232191 which is a new part.
> After installing new part, unit would not turn on for a few seconds, then
R762 on
> power board started to smoke...or at least smoke came from this direction.
I
> quickly turned of the variac.
> I replaced the FBT I had repaired, and now unit only clicks numerous times
after
> pressing power, press power again and stops clicking.
> R762U reads about 1.2K, but color code appears to be yellow, black and
third band
> is burnt.
> I have no print.
> So, either I got a bad flyback or this was not the right part number?
> Any suggestions?
>
> Jeff
>
>
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