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RCA CTC203

V

Vince

Jan 1, 1970
0
Hi!
Has anyone ever figured out what causes this set to loose sound and you
unplug it and plug it back in the sound is back?
Vince
 
S

sofie

Jan 1, 1970
0
Vince,
This has been an "over-active" subject on this very newsgroup for the last
month. Do a google groups archive search, you should find quite a few
relevant threads just a week or two old.
 
A

Art

Jan 1, 1970
0
Thomson Technical Assist tells us it is normal, that they are working of a
fix for it, and that it has been a symptom or RCA/GE since the early CTC-19X
series of chassis.
There are a few viable workarounds including jumping a cap from a certain
spot to ground but that disables other features designed into these sets,
inclusive of the Guide Plus and Closed Caption.
 
A

Asimov

Jan 1, 1970
0
"Art" bravely wrote to "All" (26 Jan 06 20:03:49)
--- on the heady topic of "Re: RCA CTC203"

Ar> From: "Art" <[email protected]>
Ar> Xref: core-easynews sci.electronics.repair:356626

Ar> Thomson Technical Assist tells us it is normal, that they are working
Ar> of a fix for it, and that it has been a symptom or RCA/GE since the
Ar> early CTC-19X series of chassis.
Ar> There are a few viable workarounds including jumping a cap from a
Ar> certain spot to ground but that disables other features designed into
Ar> these sets, inclusive of the Guide Plus and Closed Caption.

I found a bad solder at the base of the input transistor in the muting
multivibrator of a Ge with no audio. Just like this symptom it muted
randomly and it would work after being unplugged. Might be unrelated.

A*s*i*m*o*v

.... Which sparks some mnemonic circuitry.
 
K

kip

Jan 1, 1970
0
Asimov what is the part location of that transistor please
for my files just in case.
thanks
k i p
 
L

Leonard Caillouet

Jan 1, 1970
0
According to several posters here and the clients that I have done it for,
the cap fix may not disable the guide functions. I does seem to disable the
CC.

Leonard
 
Leonard said:
According to several posters here and the clients that I have done it for,
the cap fix may not disable the guide functions. I does seem to disable the
CC.

Leonard

It depends on the specific chassis, system control, and Gemstar
application that is in the set. Some of the designs, it disables the
entire set of features, others just the CC.

All of us who have been dealing with this issue since the late 90's
when Gemstar first started showing up in the Thomson tv sets are all
aware of the many different design implementations.

David
 
A

Asimov

Jan 1, 1970
0
"kip" bravely wrote to "All" (27 Jan 06 08:57:22)
--- on the heady topic of "Re: RCA CTC203"

ki> From: "kip" <[email protected]>
ki> Xref: core-easynews sci.electronics.repair:356658

ki> Asimov what is the part location of that transistor please
ki> for my files just in case.
ki> thanks
ki> k i p

Oops, wrong info! Just checked it was a Magnasonic not a Ge.

A*s*i*m*o*v
 
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