[TechAssist] Re: RCA CTC 130 A blows H.O.T.
- From: "D Thunhurst" <dthunhurst@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 2 Jun 2003 13:56:12 -0600
Good advice Walter has given you. Also be sure to check the emitter
resistor off of the HOT. It seems to always go high in value when the HOT
shorts. I think is is a .24 ohm (point 24).
Good luck.
Daryl
Daryl's TV
3310 Dyer St.
El Paso, TX 79930
915-565-9184
915-564-1024 Fax
dthunhurst@xxxxxxx
http://dynacomp.freeyellow.com
-----Original Message-----
From: walter wood <wwood_38478@xxxxxxxxx>
To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
Date: Monday, June 02, 2003 8:47 AM
Subject: [TechAssist] Re: RCA CTC 130 A blows H.O.T.
>Bruce, The tuner control module is likely the
>problem on this oldie.
>PTS sent a notice out many years ago stating thus.
>There is a cap on the solder side (tack soldered in
>a sleave) that you simply cut out and throw away.
>Also resolder ALL the stakes around the edges of
>the board(MTTxxx).
>I'm not in my old shop right now and cannot be more
>specific.
>Hopefully, someone else will take this up.
>If not, I will try to find those old buletins
>tonight.
>HTH
>Walter
>--- Bruce Tiedeman <btied@xxxxxxxxxxxx> wrote:
>> RCA CTC 130A (Note this chassis has no PW VIPUR
>> Supply) Blows H.O.T
>> repeatedly
>>
>> Changed the H.O.T transistor and checked flyback
>> OK. Checked caps in the H.V
>> section OK. Soldered the driver transistor and
>> transformer. The driver pulse
>> is there but is pulsing. I can't remember how to
>> trouble shoot this supply
>> so it does not pulse trying to start. I want to
>> variac the B+ at start up to
>> monitor the driver pulse.
>> thanks for any info,
>> Bruce.
>>
>> B&T Electronics
>> 139 Margaret St
>> Sarnia Ontario
>> Canada
>> N7T 2Y3
>> 519 344 1850
>>
>>
>>
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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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