[TechAssist] Re: RCA PTV Model P46159WK (CTC169PT). Wavey Picture


One of your leads is not making good connection in splitter,remove
inspect,reinsert.Check all five good luck.
Ron Miller
D.T.V. Texas


----- Original Message -----
From: <HarrisTV50010@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, March 29, 2002 9:00 AM
Subject: [TechAssist] RCA PTV Model P46159WK (CTC169PT). Wavey Picture


>
> This unit came into the shop with the complaint that every time you try to
> turn unit on you get a loud snap once and it won't come up. I removed the
> light box from the cabinet. I found there was a hole in the blue tube
anode
> cup. I pulled the IHVT lead from the splitter and measured the HV. The HV
was
> erratic jumping fro 30KV to 40KV. I replaced C4401, C4402 in Horizontal
> Output stage. I replaced U4101, Q4101, C4118, C4104, C4102 in the
regulator
> stage. I rechecked the HV on the red IHVT lead and it was a steady 30KV. I
> hooked it back up to the splitter and it would shut down. I replaced the
> splitter as well and it appeared all was working OK and reinstalled the
light
> box into the cabinet.
>
> Then I noticed some channels had a slight horizontal tearing at the top of
> picture but all channels had the problem if there was bright lettering on
the
> screen the letters were bending and being distorted. On picture without
> lettering you would notice off to the right of bright objects there would
a
> slight pull it the picture. On fast moving scenes you would see a slight
> wiggle corresponding to the changes in the scene. I did try replacing
IHVT,
> CR4118, Q4802 & the HV splitter the second time. I have spent about five
> extra hours on this unit so far and the customer says the problem was not
> there before the arcing problem. Does any one have any idea's what the
> problem could be? Sorry for being so long winded but I am getting
frustrated.
>
> Thanks,
> Dale
>
>
> Dale A. Lubow... HarrisTV50010@xxxxxxx ..515-232-1109..(Fax)515-232-3356
> Harris TV & Appliance..........335 Lincoln
> Way.....Ames.....Iowa.....50010-3384
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