[TechAssist] Re: RCA CTC187
- From: tvdoctors@xxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: 12 Feb 2002 12:36:34 -0800
Another good tip is to hold an ne2 neon bulb close to the flyback. If it
lights, you know you have high voltage, If you don't happen to have a neon bulb
around, I set my meter on AC with no ground and hold the Positive lead (Red)
close to the fly and it will read anywhere from 5 to 50 volts AC, No direct
connections are required. This is a quick check for presence of high voltage if
you don't have a high voltage probe.
> ** Original Subject: RE: [TechAssist] Re: RCA CTC187
> ** Original Sender: walter wood <wwood_38478@xxxxxxxxx>
> ** Original Date: Tue, 12 Feb 2002 15:05:51 -0500 (EST)
> ** Original Message follows...
>
> Hey; that straw idea is a great one , thanks.
> Now let me submit something.
> This came from another list member, but I wonder
> how many have tried it. It works great.
> When isolating the high voltage lead(when checking
> for a bad splitter etc) try using one of those
> glass "test tubes" that expensive cigars come in.
> They also have either cork or plastic stoppers and
> a small hole can be drilled in it.
> Something that is my idea(at least I've never heard
> anyone else mention it), is to put a common NE2
> neon bulb in the tube. It will glow in the presence
> of high voltage. No connections needed.
> Walter--- tvdoctors@xxxxxxxxxxxxx wrote:
> > I use a straw to cover small caps, transistors
> > and other components, then spray a little bit of
> > coolant inside straw and isolate it from cooling
> > other components in a given area.
> >
> >
> > > ** Original Subject: RE: [TechAssist] Re: RCA
> > CTC187
> > > ** Original Sender: "al.L"
> > <al@xxxxxxxxxxxxxxxxxxxx>
> > > ** Original Date: Tue, 12 Feb 2002 14:06:46
> > -0500 (EST)
> >
> > > ** Original Message follows...
> >
> > >
> > > suggest freeze may have healed cap or
> > temporarily fixed bad solder.I would
> > > replace vertical ic and all caps you froze, and
> > apply usual half pound of
> > > solder. This is why I am very careful about
> > freezing large areas.You can
> > > even use paper to shield all but the suspect
> > parts and freeze one at a
> > > time., or a heat gun with afine nozzle. God
> > luck. al
> > >
> > > alleathe@xxxxxxxxxxxxx
> > > Al Leatherman
> > > Mine Hill, NJ 07803
> > > 973-361-5796
> > > ----- Original Message -----From: "Shaun"
> > <ssroark@xxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Tuesday, February 12, 2002 10:18 AM
> > > Subject: [TechAssist] RCA CTC187
> > >
> > >
> > > > Today this tv came in and when first turned
> > on it had very poor vertical
> > > deflection. The bottom half of the picture
> > looks ok but the top is folding
> > > over and over scanning. Looks like a defective
> > cap, I sprayed freeze mist on
> > > the vertical section near the vertical ic and 3
> > large caps right there and
> > > it came back on good pix. Now the set looks
> > fine no matter what I do hot or
> > > cold or soldering nothing makes it go bad
> > again. I am worried that if i give
> > > it back it will be back in a day or two with a
> > mad customer. Does anyone
> > > have any tips on this problem? I am thinking
> > the freeze mist fixed it for
> > > now but will probably fail again.
> > > >
> > > > Shaun
> > > >
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> >
> > TV Doctors 108 W. Main St. Monroe,Wa. 98272
> > 360-794-6469
> >
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>
> =====
> Walter Wood
> Future Tech Home Center
> 2786 Hwy. 43 N.
> Lawrenceburg Tn. 38464
> 931-829-3337
> Fax 931-829-4044
> mailto:wwood_38478@xxxxxxxxx
>
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