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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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whit3rd wrote:
-------------- Their marketing looks like snake oil ... to the best of my knowledge, none of their competition is any better. ** WD 40 does a better and far quicker job, plus penetrates crevices way better. I have some Caig D100L and it is near useless. Sure, the D100L (red stuff) is a 'cleaner' which dissolves gunk. ** No it is gunk, a mix of snake oil and bull****. The DeoxIT S series is their current name for the worthwhile stuff. ** Yawnnnnnnnnnn One born every minute.... ...... Phil |
#2
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I have found that LPS2 works even better, but it is bit re expensive and hard to get locally.
There is one type of pot it does bother though, the sliders with the nylon looking sliders. (under the knobs) It froxe up the ones in a Soundcraftsman EQ for me, nut then so did everything else. The (looks like) nylon they is is probably very porous. And nothing will fix it, all you can do is wait until it all evaporates out. Only thing I can figure it that it swells that particular material. The nice thing is I do not see that type of plastic or whatever used in very much. The only Caig product I like is Deoxit because that is actually a reducer. For lubing afterward, WD or LPS or even white lithium grease. The one thing I noticed about WD40 is when used to clean the old mechanical tuners in TVs it would detune them until most of it evaporated, LPS2 was much better for that application. Thing is, Deoxit is so expensive that its use is only warranted for certain things. That's what I have found over the decades. that these things are safe on ALMOST everything. Acetone on the other hand has to kept away from cabinet parts and other plastics. The main thing I used it for was to clean PC boards after a coolant leak in an RPTV. You might never have had to do that, those were not as popular other places from when I hear. The US loved them, especially the later ones that had a good picture. After he coolant started a few fires, manufacturers started putting gutters in them to keep it off the PC boards. It is not conductive but when exposed to voltage it becomes conductive as well as corrosive. it gets as bad as that **** that leaked out of the electrolyics. |
#3
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wrote:
------------------------ The one thing I noticed about WD40 is when used to clean the old mechanical tuners in TVs it would detune them until most of it evaporated, LPS2 was much better for that application. ** WD-40 and LPS2 are near identical products, same ingredients in the same percentages and both use CO2 as a propellant. It is *NUTS* to spray any oil bearing fluid onto RF circuitry - oil has a much higher dielectric constant than air. It therefore adds capacitance to any coil, wiring, PCB pattern or tuning gang it lands on. The correct procedure with rotary TV tuners was to apply some WD-40 to a small piece of paper which is then wedged between the moving contacts while the tuner is turned. This cleans up the contacts nicely while preventing any oil getting on the RF coils. Anecdote 1: I once had a customer who decided to fix his FM tuner by spraying WD-40 all over the PCB and tuning gang. Afterwards, the stations had moved half way across the dial. It took me a over an hour hour, using various solvents to get the oil off everything and put them back where they were. A tiny bit of WD-40 on the bearings of the gang fixed the noise he has been getting. Anecdote 2. Folk who run RC cars and boats can end up with a wet, non functioning radio receiver - so they reach for the WD40. Big mistake. The correct procedure is to wash the PCB in denatured alcohol (aka Metho) and then allow to dry in the sun or using hot air. ..... Phil |
#4
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"** WD-40 and LPS2 are near identical products, same ingredients in the same percentages and both use CO2 as a propellant. "
They smell different. Nearly identical of course, but not exactly identical. |
#5
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#6
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In message , rickman
writes On 5/10/2017 11:42 AM, wrote: "** WD-40 and LPS2 are near identical products, same ingredients in the same percentages and both use CO2 as a propellant. " They smell different. Nearly identical of course, but not exactly identical. Parfum de WD-40 A dab behind your ears before you go out clubbing will make you irresistible, and you'll never go home without a smile on your face. -- Ian |
#7
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On Wednesday, May 10, 2017 at 12:31:14 PM UTC-4, Ian Jackson wrote:
In message , rickman writes On 5/10/2017 11:42 AM, wrote: "** WD-40 and LPS2 are near identical products, same ingredients in the same percentages and both use CO2 as a propellant. " They smell different. Nearly identical of course, but not exactly identical. Parfum de WD-40 A dab behind your ears before you go out clubbing will make you irresistible, and you'll never go home without a smile on your face. -- Ian Yes, but what you'll go home with is likely an auto mechanic or pig farmer, of the wrong sex I'm afraid. Any woman that will find WD attractive goes home with other women... |
#8
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Phil Allison wrote:
wrote: ------------------------ The one thing I noticed about WD40 is when used to clean the old mechanical tuners in TVs it would detune them until most of it evaporated, LPS2 was much better for that application. ** WD-40 and LPS2 are near identical products, same ingredients in the same percentages and both use CO2 as a propellant. It is *NUTS* to spray any oil bearing fluid onto RF circuitry - oil has a much higher dielectric constant than air. It therefore adds capacitance to any coil, wiring, PCB pattern or tuning gang it lands on. The correct procedure with rotary TV tuners was to apply some WD-40 to a small piece of paper which is then wedged between the moving contacts while the tuner is turned. This cleans up the contacts nicely while preventing any oil getting on the RF coils. Anecdote 1: I once had a customer who decided to fix his FM tuner by spraying WD-40 all over the PCB and tuning gang. Afterwards, the stations had moved half way across the dial. It took me a over an hour hour, using various solvents to get the oil off everything and put them back where they were. A tiny bit of WD-40 on the bearings of the gang fixed the noise he has been getting. Anecdote 2. Folk who run RC cars and boats can end up with a wet, non functioning radio receiver - so they reach for the WD40. Big mistake. The correct procedure is to wash the PCB in denatured alcohol (aka Metho) and then allow to dry in the sun or using hot air. .... Phil I used both LPS2 and WD40 and I didn't find them similar. LPS more oily and smells different. LPS1 might be mre similar. CRC 2-26 also seems different. More oily than WD40. I like it better as a lube. Greg |
#9
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gregz wrote:
Phil Allison wrote: wrote: ------------------------ The one thing I noticed about WD40 is when used to clean the old mechanical tuners in TVs it would detune them until most of it evaporated, LPS2 was much better for that application. ** WD-40 and LPS2 are near identical products, same ingredients in the same percentages and both use CO2 as a propellant. It is *NUTS* to spray any oil bearing fluid onto RF circuitry - oil has a much higher dielectric constant than air. It therefore adds capacitance to any coil, wiring, PCB pattern or tuning gang it lands on. The correct procedure with rotary TV tuners was to apply some WD-40 to a small piece of paper which is then wedged between the moving contacts while the tuner is turned. This cleans up the contacts nicely while preventing any oil getting on the RF coils. Anecdote 1: I once had a customer who decided to fix his FM tuner by spraying WD-40 all over the PCB and tuning gang. Afterwards, the stations had moved half way across the dial. It took me a over an hour hour, using various solvents to get the oil off everything and put them back where they were. A tiny bit of WD-40 on the bearings of the gang fixed the noise he has been getting. Anecdote 2. Folk who run RC cars and boats can end up with a wet, non functioning radio receiver - so they reach for the WD40. Big mistake. The correct procedure is to wash the PCB in denatured alcohol (aka Metho) and then allow to dry in the sun or using hot air. .... Phil I used both LPS2 and WD40 and I didn't find them similar. LPS more oily and smells different. LPS1 might be mre similar. CRC 2-26 also seems different. More oily than WD40. I like it better as a lube. Greg I want some LPS3 or rustproofing my car parts. I think it might be good on connectors too. Greg |
#10
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On Tuesday, May 9, 2017 at 7:11:25 PM UTC-7, Phil Allison wrote:
whit3rd wrote: -------------- Their marketing looks like snake oil ... to the best of my knowledge, none of their competition is any better. ** WD 40 does a better and far quicker job, plus penetrates crevices way better. I have some Caig D100L and it is near useless. Sure, the D100L (red stuff) is a 'cleaner' which dissolves gunk. ** No it is gunk, a mix of snake oil and bull****. The DeoxIT S series is their current name for the worthwhile stuff. ** Yawnnnnnnnnnn One born every minute.... ..... Phil |
#11
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On Tuesday, May 9, 2017 at 7:11:25 PM UTC-7, Phil Allison wrote:
whit3rd wrote: [about Caig] Their marketing looks like snake oil ... to the best of my knowledge, none of their competition is any better. ** WD 40 does a better and far quicker job, plus penetrates crevices way better. I have some Caig D100L and it is near useless. Sure, the D100L (red stuff) is a 'cleaner' which dissolves gunk. ** No it is gunk, a mix of snake oil and bull****. The DeoxIT S series is their current name for the worthwhile stuff. One born every minute.... Yes, Phil, you ARE easily fooled. It isn't about the snake oil or the sales force's farce of literature, and the confusing products (five of them called "DeOxit"). It's about the products. I'm the guy with the milliohm data, and some idea of which product I'm talking about. You're the one with the sneer. |
#12
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whit3rd wrote:
--------------- Their marketing looks like snake oil ... to the best of my knowledge, none of their competition is any better. ** WD 40 does a better and far quicker job, plus penetrates crevices way better. I have some Caig D100L and it is near useless. Sure, the D100L (red stuff) is a 'cleaner' which dissolves gunk. ** No it is gunk, a mix of snake oil and bull****. The DeoxIT S series is their current name for the worthwhile stuff. One born every minute.... Yes, Phil, you ARE easily fooled. ** We'll see. It isn't about the snake oil or the sales force's farce of literature, and the confusing products (five of them called "DeOxit"). It's about the products. I'm the guy with the milliohm data, and some idea of which product I'm talking about. You're the one with the sneer. ** That load of meaningless **** has *FOOL* written all over it. Your done, go away. ...... Phil |
#13
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Remember: Phil's fulminations are in inverse proportion to the accuracy of his position.
Peter Wieck Melrose Park, PA |
#14
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#15
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On Wednesday, May 10, 2017 at 11:40:31 AM UTC-4, rickman wrote:
On 5/10/2017 11:23 AM, wrote: Remember: Phil's fulminations are in inverse proportion to the accuracy of his position. I take it that provoking Phil to expel expletives is a sport in this group? -- Rick C Not much sport Rick. "Sport" would indicate some sort of skill or difficulty involved, and there is none when provoking Phil. But Phil runs hot and cold. Sometimes (well, often) vile (wishing cancer or death on those with whom he disagrees, etc.) sometimes almost charming. He's bright and knowledgeable, but will NEVER concede when he's wrong. Always fascinating though. |
#17
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On Wednesday, May 10, 2017 at 6:07:08 PM UTC-4, rickman wrote:
On 5/10/2017 1:50 PM, wrote: On Wednesday, May 10, 2017 at 11:40:31 AM UTC-4, rickman wrote: On 5/10/2017 11:23 AM, wrote: Remember: Phil's fulminations are in inverse proportion to the accuracy of his position. I take it that provoking Phil to expel expletives is a sport in this group? -- Rick C Not much sport Rick. "Sport" would indicate some sort of skill or difficulty involved, and there is none when provoking Phil. But Phil runs hot and cold. Sometimes (well, often) vile (wishing cancer or death on those with whom he disagrees, etc.) sometimes almost charming. He's bright and knowledgeable, but will NEVER concede when he's wrong. Always fascinating though. Interesting use of the word "fascinating"... -- Rick C Yes, but *not* inaccurate... |
#18
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wrote:
------------------------- But Phil runs hot and cold. Sometimes (well, often) vile (wishing cancer or death on those with whom he disagrees, etc.) ** I never post that sort of thing just because I disagree. Find an example and see how WRONG you are. He's bright and knowledgeable, but will NEVER concede when he's wrong. ** Find and post an example where you are certain I was wrong. Bet you cannot find even on. ...... Phil |
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