Degauss button not work = damaged on CRT monitor

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nuninho1980
Posts: 140
Joined: 26 Dec 2013, 09:49

Degauss button not work = damaged on CRT monitor

Post by nuninho1980 » 26 Nov 2021, 14:18

Hello. I have CRT monitor Samtron 96BDF 19". Since sunday, I got first visual distortions (wrong colors...) problem and tried to press degauss button to remove this problem with difficulty. But next days, degauss can't remove the problem. Degauss is damaged in inside of monitor. Where? Wire?

photo:
wrong colors.jpg
wrong colors.jpg (57.65 KiB) Viewed 3854 times
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Chief Blur Buster
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Re: Degauss button not work = damaged on CRT monitor

Post by Chief Blur Buster » 30 Nov 2021, 19:36

When you say "degauss button not work",

Do you mean Degauss button has no action (doesn't even try to degauss, no image glitching)

Or do you mean after a degauss, it does try to degauss (image shakes) but nothing happens after?
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Naveronasis
Posts: 41
Joined: 04 Jun 2021, 04:16

Re: Degauss button not work = damaged on CRT monitor

Post by Naveronasis » 01 Dec 2021, 04:58

Usually when the degauss isn't working it's a problem with a relay. Relays are usually easy to replace if you know what you're doing as to not get shocked. Otherwise, you can get a "degaussing wand" for like 15 bucks. These are cheap Chinese junk for arcade monitors (some arcade machines did not include degauss coils) BUT with practice, you can get it to look normal with one (just don't leave it plugged in there have been reports that these cheap Chinese wands can melt even when off when left plugged in) Only problem is... you have to degauss any time you move the monitor or rotate it to face another direction. The loss in purity is due to the earth's magnetic field most of the time.

nuninho1980
Posts: 140
Joined: 26 Dec 2013, 09:49

Re: Degauss button not work = damaged on CRT monitor

Post by nuninho1980 » 01 Dec 2021, 06:19

Watch -> https://youtu.be/1-hmYYepEWo (choose resolution screen to 1080p60)

@Naveronasis Relay problem. Yeah, it's very likely. I've other CRT monitor Samtron 95P Plus 19" with CRT tube burnt and I'll retire a "new" relay on this monitor and move to replace the relay to other monitor 96BDF. :)
CPU: [email protected]
RAM: 2x16GB DDR4@3600MHz
MB: MSI PRO Z690-A DDR4
GPU: Zotac RTX 4090 non-OC new! <3 :D
Opt. disc: LG BD-RE writer BH16NS40
HDD: SATA 1TB
SSDs: OCZ RD400 0.5TB+Crucial MX500 2TB
PSU: AEROCOOL 1kW 80+ Gold
Disly: CRT 21" Sony E530 :D

Naveronasis
Posts: 41
Joined: 04 Jun 2021, 04:16

Re: Degauss button not work = damaged on CRT monitor

Post by Naveronasis » 01 Dec 2021, 13:29

Yeah I don't hear the relay clicking over.

nuninho1980
Posts: 140
Joined: 26 Dec 2013, 09:49

Re: Degauss button not work = damaged on CRT monitor

Post by nuninho1980 » 11 Dec 2021, 10:28

I tried to use the soldering gun for fix the colour patch problem but this problem fixed isn't completed.
Photo - the repair isn't completed:
20211211_152454.jpg
20211211_152454.jpg (3.78 MiB) Viewed 3480 times
But my soldering gun is +/-30 years old (very old).

At the center of the screen - 2 photos:
-Soldering gun - (not me) - https://www.youtube.com/watch?v=jTbkP9khh2c
my soldering gun on crt.jpg
my soldering gun on crt.jpg (95.26 KiB) Viewed 3480 times
This is good.

-My soldering gun
VideoCapture_20211211-151947.jpg
VideoCapture_20211211-151947.jpg (310.42 KiB) Viewed 3480 times
This is bad!?

--> How do I use my soldering gun for fix completely colour patch? If the repair fails to complete, I'll ask what's the other soldering gun.
CPU: [email protected]
RAM: 2x16GB DDR4@3600MHz
MB: MSI PRO Z690-A DDR4
GPU: Zotac RTX 4090 non-OC new! <3 :D
Opt. disc: LG BD-RE writer BH16NS40
HDD: SATA 1TB
SSDs: OCZ RD400 0.5TB+Crucial MX500 2TB
PSU: AEROCOOL 1kW 80+ Gold
Disly: CRT 21" Sony E530 :D

Naveronasis
Posts: 41
Joined: 04 Jun 2021, 04:16

Re: Degauss button not work = damaged on CRT monitor

Post by Naveronasis » 03 Nov 2022, 18:39

A super hacky fix is to find another CRT and put them face to face. The bad one can be on or off, degauss the new one. The coil will be close enough to effect both.

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