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Last edited by pac.attack76; 04-13-2015 at 08:15 PM. |
#17
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A soldering GUN may also work as a degaussing coil in a pinch.
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 |
#18
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Quote:
Where to get the wire? Junked BPC sets. Look for copper wire - aluminum wire heats up, and you don't want hot wire in your hands. If the connections to the coil are soldered, it's copper - for aluminum, they used crimps. Cheers,
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Brian USN RET (Avionics / Cal) CET- Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! |
#19
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About $45.83 http://www.ebay.com/itm/COLOR-TELEVI...item5b0f3c0474 Some of them are cheaper but then the shipping is higher, probably not worth the cost for a one time use on a set that may have more serious problems. If you have a Weller Soldering Gun I would try using it as a degausser first. |
#20
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Audiokarma |
#21
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A big screen set's degauss coil should if looped down to ~14" should last a minute or two at line voltage before getting hotter than you want to handle.
If you take that and watch the temp it should work.
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 |
#22
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If you make your own coil you MUST put a
spring loaded switch on it. Once the boss degaussed a set & just put the coil down. He ran an errand & when he got back the place was full of smoke & the coil melted into the set he put it on. Dont get me wrong I am not a paranoid safety nut. In fact I am always ripping off safety tags & those damn furniture tags !!! 73 Zeno |
#23
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Its purpose in life is to short out & blow the fuse with a large surge. Most thermistors are silverish-grey, dime sized & have the leads solder on the sides. 73 Zeno |
#24
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And you said it begins with an "R". I'll check it again.
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#25
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Looks like RT14201. There's a rectangular print on the board with two wires coming up and hooking over toward each other at the top. Moved the tv into the other room and now most of the correct color is back. rainbow is at the bottom now, lol
Last edited by pac.attack76; 04-16-2015 at 12:24 PM. |
Audiokarma |
#26
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Last edited by pac.attack76; 07-14-2016 at 02:47 PM. |
#27
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You need to be sure that it's the right kind of thermistor. Some drop resistance when they get hot (used in PC power supplies), not what you want here. You want a thermistor that increases resistance when it gets hot. Any BPC set will have one (often enclosed in a plastic squarish box), and you could use its degauss coil as well.
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#28
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Quote:
Quote:
__________________
Brian USN RET (Avionics / Cal) CET- Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! Last edited by Findm-Keepm; 09-29-2017 at 06:38 PM. |
#29
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i'll have to order one in a couple weeks. Looks like around $11.
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#30
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Quote:
Of note - most BPC sets of late (as WA2ISE correctly pointed out), use a PTC thermistor, usually 15-25 ohms. I had a stock of RCA 141239 thermistors I used or gave away, and they replaced about 90% of the 2 legged kind in 32" and smaller sets. I scavenged the 3 legged TDK/Kamko thermistors from anything I junked, so I had plenty of both kinds at one time. I may still have one or two, but just about any 2-legged thermistor from a BPC set will replace any other. For a 36" set such as this RCA, the inductance/resistance of the coil places a bigger load on the thermistor, so you'll want to have the original type if possible for longer thermistor life. Old sets using the thermistor/varistor combination used an NTC thermistor, and most are replaceable with a Workman FR191, FR291, or FRTV kit. Oneida, Ambassador, and GC Walsco had similar thermistors with similar part numbers (GB191, GBTV, etc.), typically 100 - 150 ohms cold. Just please - don't go buying a 25 dollar thermistor on eBay - what a ripoff. My CTC16 has a new Workman I got off of eBay for 2.99, plus 4 bucks shipping. ......and then I found my stash of thermistors. Cheers,
__________________
Brian USN RET (Avionics / Cal) CET- Consumer Repair and Avionics ('88) "Capacitor Cosmetologist since '79" When fuses go to work, they quit! |
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