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X200 AFFS Buzzing issue

X200, X201, X220 (including equivalent tablet models) and X300, X301 series specific matters only.
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Lundy
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X200 AFFS Buzzing issue

#1 Post by Lundy » Wed Oct 24, 2018 5:45 pm

I've installed the AFFS screen HV121WX4-120 works but now there is a strange buzzing noise coming from behind the screen. I was wondering if this is normal or if I missed a step? Also the white colors are more yellowish so not sure if thats a symptom of the problem as well or just needs to be calibrated. :?

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Re: X200 AFFS Buzzing issue

#2 Post by shawross » Wed Oct 24, 2018 6:58 pm

AFFS screens can be yellowish and your buzzing noise may be the inverter.
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Re: X200 AFFS Buzzing issue

#3 Post by axur-delmeria » Thu Oct 25, 2018 3:46 am

The yellowish hue may be a sign of an aging CCFL.
The buzzing noise would be the inverter, which could be an issue with it or the CCFL.
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
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Re: X200 AFFS Buzzing issue

#4 Post by Lundy » Thu Oct 25, 2018 8:11 am

Hm there was no buzzing sound before I swapped the display.

Edit: weird after maxing out the brightness the noise went away. It seems the noise culprit is some sort of transformer or maybe the inverter shawross mentioned? Copper wrapped thing where the the power adapter from the display goes.

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Re: X200 AFFS Buzzing issue

#5 Post by axur-delmeria » Thu Oct 25, 2018 11:57 am

Lundy wrote:
Thu Oct 25, 2018 8:11 am
Hm there was no buzzing sound before I swapped the display.

Edit: weird after maxing out the brightness the noise went away. It seems the noise culprit is some sort of transformer or maybe the inverter shawross mentioned? Copper wrapped thing where the the power adapter from the display goes.
The inverter does have a transformer. And yes it's the source of the buzzing sound.

It would be nice if there exists a LED backlight kit for this screen.
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

Lundy
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Location: Tucson, Arizona

Re: X200 AFFS Buzzing issue

#6 Post by Lundy » Thu Oct 25, 2018 12:49 pm

axur-delmeria wrote:
Thu Oct 25, 2018 11:57 am
Lundy wrote:
Thu Oct 25, 2018 8:11 am
Hm there was no buzzing sound before I swapped the display.

Edit: weird after maxing out the brightness the noise went away. It seems the noise culprit is some sort of transformer or maybe the inverter shawross mentioned? Copper wrapped thing where the the power adapter from the display goes.
The inverter does have a transformer. And yes it's the source of the buzzing sound.

It would be nice if there exists a LED backlight kit for this screen.
Do you think I should try putting some hot glue on the transformer?

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Re: X200 AFFS Buzzing issue

#7 Post by axur-delmeria » Thu Oct 25, 2018 11:36 pm

Lundy wrote:
Thu Oct 25, 2018 12:49 pm
axur-delmeria wrote:
Thu Oct 25, 2018 11:57 am


The inverter does have a transformer. And yes it's the source of the buzzing sound.

It would be nice if there exists a LED backlight kit for this screen.
Do you think I should try putting some hot glue on the transformer?
I don't recommend putting hot glue on something that gets warm. Maybe some clear 5-minute epoxy?
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

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Re: X200 AFFS Buzzing issue

#8 Post by Thinkpad4by3 » Fri Oct 26, 2018 8:43 am

axur-delmeria wrote:
Thu Oct 25, 2018 11:57 am
It would be nice if there exists a LED backlight kit for this screen.
Make one.
Get some practice for your 560 dream machine :wink:
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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Re: X200 AFFS Buzzing issue

#9 Post by axur-delmeria » Fri Oct 26, 2018 10:03 am

Thinkpad4by3 wrote:
Fri Oct 26, 2018 8:43 am
Make one.
Get some practice for your 560 dream machine :wink:
I have to turn my shed into a proper workshop first. Still lacking key pieces of equipment and furniture, but at least I got a soldering station now.
Besides, I don't even know how xiphmont makes those LED strips, or where to source the LEDs-- maybe I could scavenge them from broken laptop screens or flatbed scanners. :twisted:

I'm hoping to finish setting it up by year's end. Among the things I need is a ladder chair. :)
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

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Re: X200 AFFS Buzzing issue

#10 Post by Thinkpad4by3 » Fri Oct 26, 2018 10:49 am

axur-delmeria wrote:
Fri Oct 26, 2018 10:03 am
I'm hoping to finish setting it up by year's end. Among the things I need is a ladder chair. :)
Well, thats one of those odd things I've never seen before and now I feel like I gotta run out and buy one. Thanks for triggering my impulse buy. :mrgreen:
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

axur-delmeria
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Re: X200 AFFS Buzzing issue

#11 Post by axur-delmeria » Fri Oct 26, 2018 11:01 am

Thinkpad4by3 wrote:
Fri Oct 26, 2018 10:49 am
Well, thats one of those odd things I've never seen before and now I feel like I gotta run out and buy one. Thanks for triggering my impulse buy. :mrgreen:
I'm planning on making one though. :D
There's a simpler design that uses plywood and doesn't need any fancy woodworking skills (like making mortise and tenon joints).

Oh, wait, we're derailing another thread again. :lol:
Daily driver: X220 4291-C91 i7-2620M

Backup: X220 4291-P79 i5-2520M
Toy: X60F Core Solo U1300
In pieces: two retired but working X61Ts
RIP: 760XD 9546-U9E; X61 7676-A24; and a BOE-Hydis HV121P01-100 in failed SXGA+ mod
:cry:

Thinkpad4by3
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Re: X200 AFFS Buzzing issue

#12 Post by Thinkpad4by3 » Fri Oct 26, 2018 12:07 pm

axur-delmeria wrote:
Fri Oct 26, 2018 11:01 am
Thinkpad4by3 wrote:
Fri Oct 26, 2018 10:49 am
Well, thats one of those odd things I've never seen before and now I feel like I gotta run out and buy one. Thanks for triggering my impulse buy. :mrgreen:
I'm planning on making one though. :D
There's a simpler design that uses plywood and doesn't need any fancy woodworking skills (like making mortise and tenon joints).

Oh, wait, we're derailing another thread again. :lol:
And there is no cushion so you should modify the mechanical to add that. Again, back to topic before we get into Wind Powered RLL 2,7 OptoFloppy Worm Drives that use 68 pin scsi or something :lol:
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

Lundy
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Location: Tucson, Arizona

Re: X200 AFFS Buzzing issue

#13 Post by Lundy » Sat Oct 27, 2018 11:58 am

Hey thanks for help I ended up fixing it for the most part by removing a orangish wrapper around the inverter and wrapping it with electrical tape. Noise is still there but suppressed enough that I can't hear it unless my ear is up against the monitor.

btw if anyone has a color profile they can share for this display would be great! I've seen it shared on some older threads but the download link seems expired :(

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Re: X200 AFFS Buzzing issue

#14 Post by RealBlackStuff » Sat Oct 27, 2018 12:32 pm

If I were you, I'd replace that inverter before it sets a possible fire to your laptop!
Those transformers put out between 700 and 1200 Volts, that's why they start buzzing as they get hotter with age.
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