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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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CTC195A bad flyback
Hi guys. Got a question for you all. CTC195A projection set. Came in, shuts
down instantly. Checked various things in horizontal, decided bad flyback. Got an original RCA flyback, didn't come with any cap, resistor like I've seen mentioned in another post. Just a HV wire if needed. Anyway, I put in. Set runs like a champ, perfect picture and so forth, for 2 days. Put back in. Lady calls back a day or so later. Flyback has burned a hole in the side, and is arcing to metal heat sink nearby, about half an inch away. Anyone seen this before? I'd rather try to figure out why it did that before ruining another one. I have a HV splitter standing by in case that may have an effect. Thanks very much, Danny |
#2
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Did the first fly have hole in it too. If not probably just a bad
fly...Haven't been there myself...knock on wood...but I've read other guys complaining about similar situations ever since china took over RCA. Might wanna check B+ is normal. |
#3
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wrote in message ...
Hi guys. Got a question for you all. CTC195A projection set. Came in, shuts down instantly. Checked various things in horizontal, decided bad flyback. Got an original RCA flyback, didn't come with any cap, resistor like I've seen mentioned in another post. Just a HV wire if needed. Anyway, I put in. Set runs like a champ, perfect picture and so forth, for 2 days. Put back in. Lady calls back a day or so later. Flyback has burned a hole in the side, and is arcing to metal heat sink nearby, about half an inch away. Anyone seen this before? I'd rather try to figure out why it did that before ruining another one. I have a HV splitter standing by in case that may have an effect. Thanks very much, Danny Did the original bad fly have a hole in it too? If not probably just a bad fly. Hasn't happened to me (knock on wood)...read other guys complaining of similar new fly failures since china took over RCA. Might want to check for Normal B+ not to high |
#4
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On Sun, 24 Oct 2004 01:12:06 -0500, wrote:
Hi guys. Got a question for you all. CTC195A projection set. Came in, shuts down instantly. Checked various things in horizontal, decided bad flyback. Got an original RCA flyback, didn't come with any cap, resistor like I've seen mentioned in another post. Just a HV wire if needed. Anyway, I put in. Set runs like a champ, perfect picture and so forth, for 2 days. Put back in. Lady calls back a day or so later. Flyback has burned a hole in the side, and is arcing to metal heat sink nearby, about half an inch away. Anyone seen this before? I'd rather try to figure out why it did that before ruining another one. I have a HV splitter standing by in case that may have an effect. Thanks very much, Danny The replacement flyback was possibly faulty. Tom |
#5
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wrote in message ... Hi guys. Got a question for you all. CTC195A projection set. Came in, shuts down instantly. Checked various things in horizontal, decided bad flyback. Got an original RCA flyback, didn't come with any cap, resistor like I've seen mentioned in another post. Just a HV wire if needed. Anyway, I put in. Set runs like a champ, perfect picture and so forth, for 2 days. Put back in. Lady calls back a day or so later. Flyback has burned a hole in the side, and is arcing to metal heat sink nearby, about half an inch away. Anyone seen this before? I'd rather try to figure out why it did that before ruining another one. I have a HV splitter standing by in case that may have an effect. Thanks very much, Danny Did you measure the HV? If it wasn't excessive I would suspect the replacement was defective. |
#6
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Did you use the RCA 239111 or Generic.
I have replaced dozens of these and never had a bad one Yet ! kip |
#7
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It was an original RCA 239111 from local RCA auth parts house. It and the
one that came in DOA (worked as well as the original) both had build dates of mid August 2004. Perhaps a flaky batch. I have put my name in for one from next litter. Just kinda makes me scratch my head. Danny |
#8
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I can't think of anything that would burn a hole in a flyback other than poor
construction; excessive H.V. would cause shutdown; or at least an arc somewhere else, particularly around the anode caps or splitter... |
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