[TechAssist] Re: RCA P46733AT PTK178LA2 1/4 Picture
- From: "agower" <agower@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 2 Jun 2003 14:36:04 -0700
Have you checked the registers maybe EPROM changed from arching, had a
Philips no picture in bottom half scoped ok but register was changed caused
black bottom half.
Adolph B. Gower
Cordova TV & Electronics
10275 Old Placerville Rd. # 5
Sacramento, Ca. 95827
Ph. (916) 363-6565
Fx. (916) 3263-7623
agower@xxxxxxxxxxxxxxxxxx
Source For used parts and NLA Parts
NEC, MAGNAVOX , ZENITH
and many other brands
Fax (916)363-7623
Phone (916)363-6565
agower@xxxxxxxxxxxxxx
----- Original Message -----
From: "Lynn C. Hedspeth, CET(r)" <HedTV@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, June 02, 2003 1:30 PM
Subject: [TechAssist] RCA P46733AT PTK178LA2 1/4 Picture
> I have a 46" Projo that the HV splitter arked over to the green
Convergence=
> Yoke.
> Replaced the HV splitter, but still have only 1/4 of the picture at the=
> top. 3/4ths of
> the screen is black. Picture is not compressed, just blacked out. And the=
> convergence
> is good in the top 1/4th of the picture (Can't tell below in blacked out=
> area).
> I figured that something shorted on the Convergence Amp board, (Because
of=
> the
> arcing from the HV Splitter), but can't find anything wrong. I realize=
> that the arc could
> have spiked something else. I was just wondering if anyone has had this=
> before.
> (before I order a service manual).
>
> Can't be sure if the arking is even the cause of the blanked screen. I am=
> just making
> that assumption. Set had no picture at all with the arking, it was
shutting=
> down
> right away. And we all know what assume spells when you break it up.
>
>
> Thanks in advance for any help.
> ****************************************
> Lynn C. Hedspeth, CET NC-407
> Hedspeth Enterprises Inc.
> 3521 E. Hwy 27
> Lincolnton, NC 28092-7659
> 704-735-3532
> 413-828-0216 (fax)
> HedTV@xxxxxxxxxxxxx
> ***************************************
>
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