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ThinkPad T520 screen upgrade

T400/T410/T420 and T500/T510/T520 Series
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StaticVOID
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Joined: Thu Jul 14, 2022 10:12 am
Location: Vřesina, Czech republic

ThinkPad T520 screen upgrade

#1 Post by StaticVOID » Thu Jul 14, 2022 10:31 am

I recently bought used T520, it has the stock Lenovo 1366x768 display with heavy scratches from the previous owner.
I was looking on panelook for compatible 1080p IPS panels, I managed to find LG LP156WF4-SLB3, its also available in local shop in my country.
I was wondering if the panel is compatible with the T520 and if not, what 1080p IPS panel do you recommend or what other factors than 40pin LVDS connector are important in choosing new display.
Thanks in advance.

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Re: ThinkPad T520 screen upgrade

#2 Post by TPFanatic » Thu Jul 14, 2022 9:16 pm

ITT u/theterminator93 did mod an IPS FHD LG LP156WF4-SLB1 into his W520, which display wise is equivalent to T520. It's not a simple plug and play swap however.

Personally I swapped a TN FHD Chi Mei Innolux N156HGE-L11 into a T520 some years ago. Generally even the TN HD+ and FHD screens are high quality displays on the 15.6" units. As such highly regarded are the AUO 15.6" TN FHD screens that were OEM on so equipped T510, W510, T520, W520, T530, W530. These are plug and play swappable LCDs.

Remember before doing any service, especially LCD service, on your ThinkPad disconnect all power supplies including the battery, so you do not trip the backlight fuse.

StaticVOID
Posts: 2
Joined: Thu Jul 14, 2022 10:12 am
Location: Vřesina, Czech republic

Re: ThinkPad T520 screen upgrade

#3 Post by StaticVOID » Fri Jul 15, 2022 12:32 pm

How are the viewing angles?
I wasn’t sure about getting a TN panel, because they can have bad viewing angles and colors.
Do you know if there is any difference between N156HGE-L11 REV.A9 and N156HGE-L11 REV.C1?
I was also considering B156HW01 V.4, but I’m not sure which one is better, since they have basically identical specs and price.
I’m still considering the LG IPS panel, the problem is that I don’t know how long the replacement LVDS cable needs to be to reach the display.
I could probably figure out how to fit the display into the chassis, since its thinner.

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