[TechAssist] Re: Fusible resistors
- From: Bil Green <tv.vcrrepair@xxxxxxxxxxx>
- To: Paul <techassist@xxxxxxxxxxxxx>
- Date: Fri, 8 Oct 2004 13:00:14 -0700
Hi Paul,
I've seen them burn up instantly too. That's why I use metal
film resistors to replace fusibles.
Bil Green
PC 1000
Mammoth Lakes, CA 93546
760-924-1000
Friday, October 8, 2004, 10:18:54 AM, you wrote:
P> Hi Ken,
P> the reason for the question was that I am working on a set that calls for a
5.6 ohm fusible that was open. I replaced with a flame proof and it smoked and
opened immediately. I cant imagine a
P> fusible opening any faster than the flame proof in this case anyway. I found
the problem and tacked in another flame proof. The job is finished except the
fusible. I suspect that a good many sets
P> have been repaired by subbing the flame proof for a fusible. That may not
make it advisable though. I know that I and the majority of techs do not want
to compromise the safety of a set.
P> Paul
P> .
P> gulftech@xxxxxxxx wrote:
P> Paul,
P> I have done so in many sets, but not all. A certain supplier advertised
P> the Sony 0.1 ohm resistors at a very good price. Flyer said Sony
P> originals. I ordered 20. What they sent was 0.1 ohm flameproof. The
P> first time one of my techs used one it blew up like a firecracker. True,
P> he had missed something in rebuilding the supply, but the Sony originals
P> will fail quietly and, I suspect, much quicker. I threw the rest of the
P> resistors I got into the trash.
P> Have not used that supplier since then.
P> Ken Smith
P> Gulf Technical Services
P> 3034 Gulf Breeze Parkway
P> Gulf Breeze, FL 32563
P> 850-934-8324 (Voice), 850-932-0819 (fax)
P> On Thu, 7 Oct 2004 18:57:37 -0700 (PDT) Paul
P> writes:
>> Is a flame proof resistor a safe sub for a fusible resistor of the
>> same value?
>> If not why not?
>> Paul
>>
>>
>> Paul ,B
>> Central TV&Video
>> 911W Grand Ave
>> Grover Beach Ca.
>> (805)481-8084
>>
>>
>>
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P> Paul ,B
P> Central TV&Video
P> 911W Grand Ave
P> Grover Beach Ca.
P> (805)481-8084
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