[TechAssist] Re: RCA CTC167R Repost
- From: "David" <mrfixit@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 13 May 2003 16:26:07 -0400
John,
Check for a small (shorted) ceramic capacitor across +150V. I had a TV the
other day that kept blowing fuses after I had replaced an open 2.7ohm/15W
resistor. Small high frequency filter cap across raw DC was the cause, hole
right thru it.
After the bridge rectifier you have a big 680-820uf/200V e-cap and a small
0.01uf/200V ceramic. Start lifting legs and measuring with the meter, you'll
find it. As Bob said, there is not much in the low-voltage PS that could
cause this. Hope this helps.
David Lessard
Alexandria Electronics
Ontario-Canada
mrfixit@xxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Bob@Bobs tv
Sent: Tuesday, May 13, 2003 4:03 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: RCA CTC167R Repost
John,
Put a 100W bulb across the 2.7ohm if lite is brite you have a short.
Not much in that circuit other then diodes and caps. Feeds +33V and 150V..
You said you replaced fly and HOT.. Make sure one of the collector caps are
not shorted. Just ohm collector to ground..
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "John Florea" <Watcher-@xxxxxxx>
To: "techassist" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 13, 2003 3:39 PM
Subject: [TechAssist] RCA CTC167R Repost
> Ok, I have replaced the hot, regulator, flyback, main ceramic resistor and
all the weak components I have had the patience to search for. This set
still blows the main resistor when I try to fire it up. It is R1, 2.7 at 15w
Ceramic. I have looked everywhere I can to find any tips on this set and
have come up empty-handed. I now have two days left to get it done, and I am
pulling out my hair. Does "anyone" have any tips on this unit that might
account for this happening? I am desperate now and need some advice. Thanks,
John.
>
>
> John Florea Jr.
> Affordable Electronics
> Tumwater Washington.
>
>
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