Greentext

4415 readers

1127 users here now

This is a place to share greentexts and witness the confounding life of Anon. If you're new to the Greentext community, think of it as a sort of zoo with Anon as the main attraction.

Be warned:

Anon is often crazy.
Anon is often depressed.
Anon frequently shares thoughts that are immature, offensive, or incomprehensible.

If you find yourself getting angry (or god forbid, agreeing) with something Anon has said, you might be doing it wrong.

founded 1 year ago

MODERATORS

Early_To_Risa@sh.itjust.works

623

Anon reflects on e-sports (sh.itjust.works)

submitted 5 months ago by Early_To_Risa@sh.itjust.works to c/greentext@sh.itjust.works

146 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] RightHandOfIkaros@lemmy.world -3 points 5 months ago* (last edited 5 months ago) (1 children)

Yes, as I previously stated, if there is a problem with the flyback transformer circuit, it is possible that the frequency or volume of the noise it generates can become increased or different.

Though again, PC monitors never made an audible noise unless they were low quality and used the cheaper 15.7kHz transformer in their construction.

Other noises associated with CRTs are the degaussing noise, which only happens once usually after turning on the CRT or after pressing the degauss button, or the sound of old IDE hard disks spinning, which also make a constant high frequency noise.

[–] errer@lemmy.world 6 points 5 months ago* (last edited 5 months ago) (1 children)

Not sure you follow: even if the primary frequency is out of range, a harmonic (half the frequency, quarter the frequency, etc) can simultaneously exist with the primary.

[–] RightHandOfIkaros@lemmy.world -4 points 5 months ago (1 children)

I suppose its possible with a low quality CRT that has poor construction, leaving loose parts or thin plastic fins that can vibrate at harmonics of a lower frequency, but high quality CRTs don't have this issue.

Extra or louder noise does not occur in normal operation of a correctly functioning flyback transformer circuit. Any frequency or harmonic (vibration) that occurs that is not the specified frequency of operation of the flyback transformer is caused by a problem in the circuit. A brand new CRT with known good parts will not have any kind of extra harmonic.

I had to replace a flyback transformer because it was too loud, and it was a pretty simple job. Hardest part was finding a new flyback transformer. After replacement, the noise volume was reduced to normal levels.

[–] tritonium@midwest.social 2 points 5 months ago* (last edited 5 months ago)

It's crazy you keep ignoring what he's saying to double down and triple down on your incorrect claim.