[TechAssist] Re: CTC-187CN Set works for 2 weeks,won't turn on,unplug and plug back in, works.
- From: Kevin <kevintv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 31 May 2003 17:41:49 -0700
Could the typical bad grounds in the tuner cause the same kind of
symptoms? I found some bad connections in the tuner that I repaired.
Maybe I will just take back the chassis and hope for the best. =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 Philip Bader
Sent: Saturday, May 31, 2003 6:40 AM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: CTC-187CN Set works for 2 weeks, won't turn
on,unplug and plug back in, works.
Just a guess. If it takes two weeks to happen and removing AC restores
it, sounds like the customer may be having some power fluctuations in
the home,very briefly, that lock up the micro.We know about the older
Zeniths that commonly did this,and unplugging was the "cure". Also the
RCA CTC195-197 chassis were susceptable and would lose all sound.EEPROM
got corrupted,unplugging cleared that and restored the audio.
It's the "two weeks" thing that makes me think it's not an internal
issue.
Phil Bader
Kevin wrote:
>=20
> Just brought in chassis for this set as it is a 31=94 set. Thought
> problem was bad connections on hor driver transformer and turner wrap.
> But no bad connections on transformer. Symptoms are: set goes
dead=97no
> action from remote or power button on TV. If I unplug the set I can
> hear the relay releasing and the set shutting off. I then plug the
set
> back into AC and the set will work normally for 2 weeks. I thought
the
> relay in these sets was for the degauss circuit, so I don=92t =
understand
> why the relay is clicking off when the set is unplugged from the wall.
> TIA
>=20
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>=20
>
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--=20
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821=09
email: tjanphyl@xxxxxxxxxxxxxxx
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